Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Principal Site Reliability Engineer Overview The BizOps team is looking for a Site Reliability Engineer who can help us solve problems and enhance our capabilities by supporting applications, services, and platforms. This position is to support the Data Delivery and Analytics program to support the growing need of the product like MyMPA, QMR. Technical Skills: Cloud, Unix, Shell Scripting, SQL, Python, Apache Nifi, Splunk, Dynatrace, Jenkins, GIT, XLR etc. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. Role We are seeking a Senior Principal, Site Reliability Engineer to provide strategic, technical, and people leadership for the Datawarehouse program. This role will lead On-Prem and Cloud Data engineering teams in St. Louis and partner closely with global counterparts across engineering, product, operations, risk, security, and customer teams. The ideal candidate brings a strong techno-functional background, deep expertise in data and platform systems, and a proven track record of building high-availability, low-latency financial platforms with rigorous operational discipline. This technical leader will balance hands-on technical depth with executive-level leadership, driving platform modernization, resiliency, scalability, and product innovation while maintaining the highest standards of reliability, security, and regulatory compliance. Business Operations is leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change & standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. Mission The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. Apply if you think you have below skills? • Are you a born problem solver who loves to figure out how something works? • Do you take challenge to enhance monitoring capabilities? • Do you have a low tolerance for manual work and look to automate everything you can? • Are you a CI/CD geek who loves all things automation? Key Responsibilities Technology & Architecture Leadership • Develop technical vision and execution for the Datawarehouse organization, aligned to product and platform roadmap. • Lead architecture and design decisions for large-scale data systems, including event-driven architectures, messaging/streaming platforms, APIs, and data stores. • Drive platform modernization initiatives (e.g., cloud adoption, containerization, service decomposition, resilience patterns, performance optimization). • Establish and enforce engineering principles and standards for data quality, security, scalability, performance, and reliability. • Act as a senior technical authority, is able to dive deep into complex system behaviors, failure modes, and trade-offs when required. All About You - What you bring: • BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. • Experience with algorithms, data structures, scripting, pipeline management, and software design. • Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. • Ability to help debug and optimize code and automate routine tasks. • We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. • Experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is desired. Apply if you think you have below skills? • Are you a born problem solver who loves to figure out how something works? • Do you take challenge to enhance monitoring capabilities? • Do you have a low tolerance for manual work and look to automate everything you can? • Are you a CI/CD geek who loves all things automation? Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $200,000 - $330,000 USD
05/26/2026
Full time
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Principal Site Reliability Engineer Overview The BizOps team is looking for a Site Reliability Engineer who can help us solve problems and enhance our capabilities by supporting applications, services, and platforms. This position is to support the Data Delivery and Analytics program to support the growing need of the product like MyMPA, QMR. Technical Skills: Cloud, Unix, Shell Scripting, SQL, Python, Apache Nifi, Splunk, Dynatrace, Jenkins, GIT, XLR etc. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. Role We are seeking a Senior Principal, Site Reliability Engineer to provide strategic, technical, and people leadership for the Datawarehouse program. This role will lead On-Prem and Cloud Data engineering teams in St. Louis and partner closely with global counterparts across engineering, product, operations, risk, security, and customer teams. The ideal candidate brings a strong techno-functional background, deep expertise in data and platform systems, and a proven track record of building high-availability, low-latency financial platforms with rigorous operational discipline. This technical leader will balance hands-on technical depth with executive-level leadership, driving platform modernization, resiliency, scalability, and product innovation while maintaining the highest standards of reliability, security, and regulatory compliance. Business Operations is leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change & standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. Mission The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. Apply if you think you have below skills? • Are you a born problem solver who loves to figure out how something works? • Do you take challenge to enhance monitoring capabilities? • Do you have a low tolerance for manual work and look to automate everything you can? • Are you a CI/CD geek who loves all things automation? Key Responsibilities Technology & Architecture Leadership • Develop technical vision and execution for the Datawarehouse organization, aligned to product and platform roadmap. • Lead architecture and design decisions for large-scale data systems, including event-driven architectures, messaging/streaming platforms, APIs, and data stores. • Drive platform modernization initiatives (e.g., cloud adoption, containerization, service decomposition, resilience patterns, performance optimization). • Establish and enforce engineering principles and standards for data quality, security, scalability, performance, and reliability. • Act as a senior technical authority, is able to dive deep into complex system behaviors, failure modes, and trade-offs when required. All About You - What you bring: • BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. • Experience with algorithms, data structures, scripting, pipeline management, and software design. • Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. • Ability to help debug and optimize code and automate routine tasks. • We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. • Experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is desired. Apply if you think you have below skills? • Are you a born problem solver who loves to figure out how something works? • Do you take challenge to enhance monitoring capabilities? • Do you have a low tolerance for manual work and look to automate everything you can? • Are you a CI/CD geek who loves all things automation? Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $200,000 - $330,000 USD
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer Biz Ops Engineer / Site Reliability Engineer (SRE) Who Is Mastercard? At Mastercard Technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere-by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our Decency Quotient (DQ) drives our culture and everything we do inside and outside of our company. We cultivate an inclusive workplace that respects individual strengths, perspectives, and experiences. We believe our differences make us stronger-enabling better decisions, greater innovation, and stronger business results. Technology at Mastercard What we create today will define tomorrow. We develop revolutionary technologies that reshape the digital economy to be more connected, inclusive, safe, fast, and sustainable. Working at Mastercard means being part of a unique culture-collaborative, diverse, and globally connected. Our employees are empowered to shape careers across disciplines and continents while working alongside experts and leaders at every level of the business to improve what exists and invent what's next. About the Role The Business Operations (Biz Ops) Team is seeking a Business Operations Site Reliability Engineer (SRE). The Biz Ops organization serves as the production readiness steward for Mastercard products. As a Biz Ops SRE, you are responsible for ensuring platform stability, reliability, and health. You will: • Break down barriers to operational excellence by fostering developer run ownership • Enable teams to build resilient, fault-tolerant, and scalable products • Support developers during application build phases with a focus on: o Operational design o Automation o Capacity planning o Monitoring and observability Biz Ops teams take a holistic view of systems and enforce operational standards while facilitating an agile, learning-focused culture. We are seeking a Senior Site Reliability Engineer to play a critical role in ensuring the reliability, scalability, and performance of applications that power Mastercard's global operations. As a thought leader, you will bring deep technical expertise, a strong automation mindset, and mentoring capabilities. What You'll Do • Support daily operations with a strong focus on: o Incident triage o Root cause analysis o Business impact assessment o Blameless post-mortems • Engage early in the development lifecycle to: o Proactively manage production readiness o Optimize production changes o Enhance customer experience • Drive risk management, compliance, and resiliency across environments • Align product and customer priorities with operational requirements through continuous feedback throughout the application lifecycle Program(s) You May Support : Cyber Security Services, Financial Crime Solutions, Fraud Reporting and Insight CSS Biz Ops Team supports multiple products, applications and services under 3 programs managing and mitigating cyber fraud. We support our customers (Issuers, Acquirers, Merchants) in providing risk scoring, sharing detail regarding cards that may have been compromised/involved in suspicious activity and providing them with valuable analysis. We support applications that assist our customers with identifying gaps which can be exploited by criminals (identifying vulnerabilities - and providing remedial recommendations). We provide useful reports to show trend analysis. We also maintain Mastercard's repository of Fraud transactions which serves as the source of truth for Fraud data within the enterprise. Team Responsibilities & Core Capabilities: Operational Readiness Architecture • Own overall application health, performance, and capacity • Support services pre-launch through: o Architecture reviews o Capacity planning o Launch readiness reviews • Partner with product and development teams to establish: o Monitoring and alerting strategies o Zero-downtime deployment frameworks Site Reliability Engineering • Design and operate highly reliable and scalable systems • Perform root cause analysis and collaborate with development teams on remediation • Participate in on-call rotations and incident response • Implement sustainable incident management and blameless post-mortems • Define and improve Service Level Objectives (SLOs) • Automate data-driven alerting to proactively identify issues DevOps & Automation • Improve the full service lifecycle-from design to production and optimization • Support CI/CD pipelines with validation and operational gating • Lead DevOps automation and best practices • Reduce operational toil through increased automation and tooling • Optimize capacity planning and performance ITSM Practices • Analyze ITSM activities and identify operational gaps • Provide continuous feedback to development teams on resiliency improvements Qualifications Required • Bachelor's degree in Computer Science or related technical field (or equivalent experience) • Ability to read, write, and understand code in at least one programming language • Strong understanding of DevOps principles and configuration management • Experience designing and operating large-scale distributed systems • Strong analytical and problem-solving skills • Excellent communication skills and ownership mindset • Passion for observability, automation, and continuous improvement • Ability to collaborate across geographically distributed and matrixed teams Technical Proficiency • Programming experience in one or more of: o Java, Spring Framework, Python, Go, C++, Spark, Big Data, gRPC • Experience with CI/CD tools such as: o Git / Bitbucket, Jenkins, Maven, Artifactory, Chef, Groovy • Familiarity with cloud platforms (AWS, Azure, or GCP preferred) • Experience with messaging technologies: o Kafka, RabbitMQ, ActiveMQ, Event Brokers • Observability tools: o Splunk, Dynatrace, Prometheus, Datadog, Grafana • Strong understanding of: o Networking fundamentals (Layers 1-3) o Load balancers and application firewalls o Operating systems o Logging and monitoring standards o High availability and business continuity o Caching and configuration management Nice to Have (Senior / L7+) • Hands-on experience with Kubernetes, Docker, and container registries • Public cloud architecture experience (AWS, Azure, GCP) • Blue/green deployment strategies • DevSecOps expertise and modern CI/CD practices • Azure certifications (AZ-203, AZ-400) preferred • Security fundamentals including: o TLS/SSL o Certificate lifecycle management o Encryption methods (symmetric/asymmetric) Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability . click apply for full job details
05/26/2026
Full time
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer Biz Ops Engineer / Site Reliability Engineer (SRE) Who Is Mastercard? At Mastercard Technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere-by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our Decency Quotient (DQ) drives our culture and everything we do inside and outside of our company. We cultivate an inclusive workplace that respects individual strengths, perspectives, and experiences. We believe our differences make us stronger-enabling better decisions, greater innovation, and stronger business results. Technology at Mastercard What we create today will define tomorrow. We develop revolutionary technologies that reshape the digital economy to be more connected, inclusive, safe, fast, and sustainable. Working at Mastercard means being part of a unique culture-collaborative, diverse, and globally connected. Our employees are empowered to shape careers across disciplines and continents while working alongside experts and leaders at every level of the business to improve what exists and invent what's next. About the Role The Business Operations (Biz Ops) Team is seeking a Business Operations Site Reliability Engineer (SRE). The Biz Ops organization serves as the production readiness steward for Mastercard products. As a Biz Ops SRE, you are responsible for ensuring platform stability, reliability, and health. You will: • Break down barriers to operational excellence by fostering developer run ownership • Enable teams to build resilient, fault-tolerant, and scalable products • Support developers during application build phases with a focus on: o Operational design o Automation o Capacity planning o Monitoring and observability Biz Ops teams take a holistic view of systems and enforce operational standards while facilitating an agile, learning-focused culture. We are seeking a Senior Site Reliability Engineer to play a critical role in ensuring the reliability, scalability, and performance of applications that power Mastercard's global operations. As a thought leader, you will bring deep technical expertise, a strong automation mindset, and mentoring capabilities. What You'll Do • Support daily operations with a strong focus on: o Incident triage o Root cause analysis o Business impact assessment o Blameless post-mortems • Engage early in the development lifecycle to: o Proactively manage production readiness o Optimize production changes o Enhance customer experience • Drive risk management, compliance, and resiliency across environments • Align product and customer priorities with operational requirements through continuous feedback throughout the application lifecycle Program(s) You May Support : Cyber Security Services, Financial Crime Solutions, Fraud Reporting and Insight CSS Biz Ops Team supports multiple products, applications and services under 3 programs managing and mitigating cyber fraud. We support our customers (Issuers, Acquirers, Merchants) in providing risk scoring, sharing detail regarding cards that may have been compromised/involved in suspicious activity and providing them with valuable analysis. We support applications that assist our customers with identifying gaps which can be exploited by criminals (identifying vulnerabilities - and providing remedial recommendations). We provide useful reports to show trend analysis. We also maintain Mastercard's repository of Fraud transactions which serves as the source of truth for Fraud data within the enterprise. Team Responsibilities & Core Capabilities: Operational Readiness Architecture • Own overall application health, performance, and capacity • Support services pre-launch through: o Architecture reviews o Capacity planning o Launch readiness reviews • Partner with product and development teams to establish: o Monitoring and alerting strategies o Zero-downtime deployment frameworks Site Reliability Engineering • Design and operate highly reliable and scalable systems • Perform root cause analysis and collaborate with development teams on remediation • Participate in on-call rotations and incident response • Implement sustainable incident management and blameless post-mortems • Define and improve Service Level Objectives (SLOs) • Automate data-driven alerting to proactively identify issues DevOps & Automation • Improve the full service lifecycle-from design to production and optimization • Support CI/CD pipelines with validation and operational gating • Lead DevOps automation and best practices • Reduce operational toil through increased automation and tooling • Optimize capacity planning and performance ITSM Practices • Analyze ITSM activities and identify operational gaps • Provide continuous feedback to development teams on resiliency improvements Qualifications Required • Bachelor's degree in Computer Science or related technical field (or equivalent experience) • Ability to read, write, and understand code in at least one programming language • Strong understanding of DevOps principles and configuration management • Experience designing and operating large-scale distributed systems • Strong analytical and problem-solving skills • Excellent communication skills and ownership mindset • Passion for observability, automation, and continuous improvement • Ability to collaborate across geographically distributed and matrixed teams Technical Proficiency • Programming experience in one or more of: o Java, Spring Framework, Python, Go, C++, Spark, Big Data, gRPC • Experience with CI/CD tools such as: o Git / Bitbucket, Jenkins, Maven, Artifactory, Chef, Groovy • Familiarity with cloud platforms (AWS, Azure, or GCP preferred) • Experience with messaging technologies: o Kafka, RabbitMQ, ActiveMQ, Event Brokers • Observability tools: o Splunk, Dynatrace, Prometheus, Datadog, Grafana • Strong understanding of: o Networking fundamentals (Layers 1-3) o Load balancers and application firewalls o Operating systems o Logging and monitoring standards o High availability and business continuity o Caching and configuration management Nice to Have (Senior / L7+) • Hands-on experience with Kubernetes, Docker, and container registries • Public cloud architecture experience (AWS, Azure, GCP) • Blue/green deployment strategies • DevSecOps expertise and modern CI/CD practices • Azure certifications (AZ-203, AZ-400) preferred • Security fundamentals including: o TLS/SSL o Certificate lifecycle management o Encryption methods (symmetric/asymmetric) Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability . click apply for full job details
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Site Reliability Engineer The BizOps team is looking for a Lead Site Reliability Engineer who can help us solve problems and enhance our capabilities by supporting applications, services, and platforms. This position is to support the Data Delivery and Analytics program to support the growing need of the product like MyMPA, QMR. Tech Skills: Unix, Shell Scripting, SQL, Python, Apache Nifi, Splunk, Dynatrace, Jenkins, GIT, XLR etc. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. Responsibilities: • Engage in and improve the whole lifecycle of services-from inception and design, through deployment, operation and refinement. • Analyse ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns • Support services before they go live through activities such as system design consulting, capacity planning and launch reviews. • Maintain services once they are live by measuring and monitoring availability, latency and overall system health. • Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity. • Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in DevOps automation and best practices. • Practice sustainable incident response and blameless post-mortems. • Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover • Work with a global team spread across tech hubs in multiple geographies and time zones • Share knowledge and mentor junior resources Qualifications • BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. • Experience with algorithms, data structures, scripting, pipeline management, and software design. • Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. • Ability to help debug and optimize code and automate routine tasks. • We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. • Experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is desired. Business Operations is leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change & standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. Mission The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. Apply if you think you have below skills? • Are you a born problem solver who loves to figure out how something works? • Do you take challenge to enhance monitoring capabilities? • Do you have a low tolerance for manual work and look to automate everything you can? • Are you a CI/CD geek who loves all things automation? Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $122,000 - $207,000 USD
05/26/2026
Full time
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Site Reliability Engineer The BizOps team is looking for a Lead Site Reliability Engineer who can help us solve problems and enhance our capabilities by supporting applications, services, and platforms. This position is to support the Data Delivery and Analytics program to support the growing need of the product like MyMPA, QMR. Tech Skills: Unix, Shell Scripting, SQL, Python, Apache Nifi, Splunk, Dynatrace, Jenkins, GIT, XLR etc. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. Responsibilities: • Engage in and improve the whole lifecycle of services-from inception and design, through deployment, operation and refinement. • Analyse ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns • Support services before they go live through activities such as system design consulting, capacity planning and launch reviews. • Maintain services once they are live by measuring and monitoring availability, latency and overall system health. • Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity. • Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating, and lead Mastercard in DevOps automation and best practices. • Practice sustainable incident response and blameless post-mortems. • Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover • Work with a global team spread across tech hubs in multiple geographies and time zones • Share knowledge and mentor junior resources Qualifications • BS degree in Computer Science or related technical field involving coding (e.g., physics or mathematics), or equivalent practical experience. • Experience with algorithms, data structures, scripting, pipeline management, and software design. • Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive. • Ability to help debug and optimize code and automate routine tasks. • We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. • Experience in one or more of the following is preferred: C, C++, Java, Python, Go, Perl or Ruby. • Interest in designing, analyzing and troubleshooting large-scale distributed systems. • We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. • Experience in industry standard CI/CD tools like Git/BitBucket, Jenkins, Maven, Artifactory, and Chef. Experience designing and implementing an effective and efficient CI/CD flow that gets code from dev to prod with high quality and minimal manual effort is desired. Business Operations is leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change & standards throughout the development, quality, release, and product organizations. We need team members with an appetite for change and pushing the boundaries of what can be done with automation. Experience in working across development, operations, and product teams to prioritize needs and to build relationships is a must. Mission The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the DevOps transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience, and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. Apply if you think you have below skills? • Are you a born problem solver who loves to figure out how something works? • Do you take challenge to enhance monitoring capabilities? • Do you have a low tolerance for manual work and look to automate everything you can? • Are you a CI/CD geek who loves all things automation? Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $122,000 - $207,000 USD
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Site Reliability Engineer-2 Overview: Who is Mastercard?At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation, and delivers better business results.Technology at MastercardWhat we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day.Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what's next. Role: The Business Operations (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products. As a Business Operations SRE, we are responsible for ensuring that our platform is stable and healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault-tolerant, scalable products. We see the big picture and help create and enforce operations standards while facilitating an agile and learning culture. We are seeking a highly motivated and experienced Lead Site Reliability Engineer (SRE) to join our growing team. You will play a critical role in ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations. As a leader thought leader in your field, you will bring technical expertise, a passion for automation, and the ability to mentor and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root cause by understanding the business impact of our products and subsequently performing blameless post-mortems. The goal of every Business Operations team is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications. Business Operations teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. Ultimately, the role of Business Operations is to align Product and Customer Focused priorities with Operational needs by providing continuous feedback throughout the lifecycle. All about you-Team Specific Skills: Biz Ops engineers engage in various roles:- Operational Readiness Architect: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: Design resilient infrastructure, perform root cause analysis, and automate alerts.- DevOps/Automation: Improve service lifecycle, support CI/CD pipelines, and reduce manual intervention.- ITSM Practices: Analyze platform activities and provide feedback to development teams.Role qualifications:Ideal candidates have:- BS in Computer Science or related field.- Proficiency in Java, Spring Framework, Python, or Go.- Strong DevOps and configuration management skills.- Experience with distributed systems and automation.- Problem-solving, communication, and leadership abilities.- Passion for observability and continuous improvement.- Willingness to learn and collaborate across teams. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $122,000 - $207,000 USD
05/26/2026
Full time
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Site Reliability Engineer-2 Overview: Who is Mastercard?At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation, and delivers better business results.Technology at MastercardWhat we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day.Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what's next. Role: The Business Operations (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE)The role of Business Operations Organization is to be the production readiness steward for Mastercard products. As a Business Operations SRE, we are responsible for ensuring that our platform is stable and healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault-tolerant, scalable products. We see the big picture and help create and enforce operations standards while facilitating an agile and learning culture. We are seeking a highly motivated and experienced Lead Site Reliability Engineer (SRE) to join our growing team. You will play a critical role in ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations. As a leader thought leader in your field, you will bring technical expertise, a passion for automation, and the ability to mentor and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root cause by understanding the business impact of our products and subsequently performing blameless post-mortems. The goal of every Business Operations team is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications. Business Operations teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. Ultimately, the role of Business Operations is to align Product and Customer Focused priorities with Operational needs by providing continuous feedback throughout the lifecycle. All about you-Team Specific Skills: Biz Ops engineers engage in various roles:- Operational Readiness Architect: Ensure application health, performance, and capacity; support pre-launch activities.- Site Reliability Engineering: Design resilient infrastructure, perform root cause analysis, and automate alerts.- DevOps/Automation: Improve service lifecycle, support CI/CD pipelines, and reduce manual intervention.- ITSM Practices: Analyze platform activities and provide feedback to development teams.Role qualifications:Ideal candidates have:- BS in Computer Science or related field.- Proficiency in Java, Spring Framework, Python, or Go.- Strong DevOps and configuration management skills.- Experience with distributed systems and automation.- Problem-solving, communication, and leadership abilities.- Passion for observability and continuous improvement.- Willingness to learn and collaborate across teams. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $122,000 - $207,000 USD
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead, Site Reliability Engineer Overview The ONE SRE team is looking for a Lead Site Reliability Engineer, to strengthen operational resilience across the technology stack through observability, automation, and platform engineering. The ideal candidate is highly motivated, intellectually curious, analytical, and passionate about improving reliability through proactive problem-solving, collaboration, and continuous improvement. Role -Serve as the subject matter expert for load balancer platforms, with a primary focus on F5 technologies, and improve platform reliability, scalability, and operability across the enterprise -Drive proactive reliability engineering by identifying systemic risks, recurring failure patterns, and architectural opportunities to strengthen resilience and performance -Lead observability improvements through telemetry, dashboards, alerting, and monitoring practices using tools such as Splunk and Dynatrace -Develop and enhance automation, CI/CD integrations, and DevOps practices that reduce manual effort and improve operational efficiency -Partner with Architecture, Load Balancer Engineering, Operations, and global SRE teams to influence standards, roadmaps, troubleshooting approaches, and end-to-end system design -Act as a senior escalation point for complex incidents, lead root cause analysis, and mentor engineers through shared documentation, runbooks, and best practices All About You -Advanced expertise in Site Reliability Engineering, platform engineering, or infrastructure operations, with strong knowledge of F5 load balancer platforms in large-scale production environments -Strong experience implementing observability solutions across logs, metrics, and traces, and using telemetry to improve distributed system reliability and performance -Proficiency in Python, Go, Bash, or similar scripting languages to automate operational tasks, improve workflows, and enhance platform efficiency -Strong knowledge of Linux/Unix systems, networking, cloud and hybrid infrastructure, and highly available system design aligned to service level objectives -Hands-on experience with DevOps practices, including CI/CD pipelines, automation, and container-based deployments, along with strong troubleshooting and root cause analysis skills -Recognized as a technical expert who works independently on complex problems, influences outcomes across teams, and mentors others through shared engineering standards and best practices Corporate Security Responsibility Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position must: -Abide by Mastercard's security policies and practices; -Ensure the confidentiality and integrity of the information being accessed; -Report any suspected information security violation or breach; and -Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $122,000 - $207,000 USD
05/26/2026
Full time
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead, Site Reliability Engineer Overview The ONE SRE team is looking for a Lead Site Reliability Engineer, to strengthen operational resilience across the technology stack through observability, automation, and platform engineering. The ideal candidate is highly motivated, intellectually curious, analytical, and passionate about improving reliability through proactive problem-solving, collaboration, and continuous improvement. Role -Serve as the subject matter expert for load balancer platforms, with a primary focus on F5 technologies, and improve platform reliability, scalability, and operability across the enterprise -Drive proactive reliability engineering by identifying systemic risks, recurring failure patterns, and architectural opportunities to strengthen resilience and performance -Lead observability improvements through telemetry, dashboards, alerting, and monitoring practices using tools such as Splunk and Dynatrace -Develop and enhance automation, CI/CD integrations, and DevOps practices that reduce manual effort and improve operational efficiency -Partner with Architecture, Load Balancer Engineering, Operations, and global SRE teams to influence standards, roadmaps, troubleshooting approaches, and end-to-end system design -Act as a senior escalation point for complex incidents, lead root cause analysis, and mentor engineers through shared documentation, runbooks, and best practices All About You -Advanced expertise in Site Reliability Engineering, platform engineering, or infrastructure operations, with strong knowledge of F5 load balancer platforms in large-scale production environments -Strong experience implementing observability solutions across logs, metrics, and traces, and using telemetry to improve distributed system reliability and performance -Proficiency in Python, Go, Bash, or similar scripting languages to automate operational tasks, improve workflows, and enhance platform efficiency -Strong knowledge of Linux/Unix systems, networking, cloud and hybrid infrastructure, and highly available system design aligned to service level objectives -Hands-on experience with DevOps practices, including CI/CD pipelines, automation, and container-based deployments, along with strong troubleshooting and root cause analysis skills -Recognized as a technical expert who works independently on complex problems, influences outcomes across teams, and mentors others through shared engineering standards and best practices Corporate Security Responsibility Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position must: -Abide by Mastercard's security policies and practices; -Ensure the confidentiality and integrity of the information being accessed; -Report any suspected information security violation or breach; and -Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $122,000 - $207,000 USD
