Modern Government Solutions
Sterling, Virginia
Job Description Job Description TITLE: Sr. Systems Engineer (Citrix) LOCATION: Sterling, VA (Relocation assistance considered) CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time, Onsite Multiple positions available POSITION SUMMARY MGS is seeking a Sr. Systems Engineer (Citrix) to lead the design, deployment, and optimization of an enterprise Citrix Virtual Desktop Infrastructure (VDI) environment within a secure, cloud-native platform supporting national security missions. In this role, you will deliver scalable, high-performance virtual desktop solutions while maintaining Linux and Windows cloud-based infrastructure, COTS applications, and enterprise computing services across a DevSecOps-driven Agile environment. Working alongside engineering, cybersecurity, and mission experts, you will implement secure-by-default configurations, drive Infrastructure as Code (IaC) practices, and keep critical environments running at the highest level. RESPONSIBILITIES (not limited to): Design, deploy, and maintain Citrix Virtual Apps and Desktops (CVAD) infrastructure in a 100% cloud environment, including Delivery Controllers, StoreFront, NetScaler/ADC, and supporting components. Implement and manage Citrix Provisioning Services (PVS) or Machine Creation Services (MCS) for desktop image management; manage Virtual Delivery Agents (VDAs), hypervisors, and storage systems. Optimize VDI performance through monitoring, capacity planning, and resource allocation; configure and manage user profiles using FSLogix. Deploy, configure, and maintain Linux and Windows cloud-based infrastructure, COTS applications, and enterprise computing services as IaC and AaC. Configure IdAM, Active Directory, and LDAP resources with platform applications. Troubleshoot complex technical issues across the VDI and infrastructure stack using log file analysis and root-cause analysis. Develop and execute comprehensive test plans; prepare and maintain technical documentation including user guides, infrastructure diagrams, and operational procedures. Collaborate with engineering teams and end-users to design and maintain application interfaces and platform solutions. Develop within an Agile scrum team following DevSecOps principles and configuration management standards. Prepare technical presentations for government and senior leadership. REQUIRED SKILLS AND QUALIFICATIONS Must possess an active DoD TS/SCI security clearance with CI Polygraph. Must meet DoD 8140 requirements, including Security+ CE certification. Bachelor's or master's degree in a STEM field. Experience may be acceptable in lieu of a degree. 10+ years of experience deploying and maintaining platform infrastructure and COTS applications in cloud-based environments. 5+ years of hands-on experience with Citrix Virtual Apps and Desktops, including expert knowledge of Citrix architecture, components, and deployment methodologies. Experience with hypervisor platforms including VMware vSphere, Microsoft Hyper-V, or Citrix Hypervisor. Proficiency with Citrix NetScaler/ADC configuration and management. Strong experience with Windows Server administration and Active Directory. Experience with cloud architecture, system design, and enterprise workflow or automation platform integration. Experience supporting IdAM technologies including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC. Experience with DevOps tooling including Ansible, Terraform, Jenkins, and GitLab. Familiarity with containerized development environments including Rancher and Kubernetes. DESIRED SKILLS AND QUALIFICATIONS Citrix Certified Professional, Virtualization (CCP-V) or higher. Experience with Model-Based Systems Engineering (MBSE) environments and tools. Experience optimizing cloud-hosted solutions and supporting Azure or similar environments. Experience configuring and instrumenting monitoring and visualization tools such as Grafana and Splunk. Experience implementing and integrating ServiceNow solutions. Familiarity with customer security requirements and processes within classified environments. Experience supporting virtualization technologies and application streaming or layering techniques. Experience leading from a total system perspective across cloud services, infrastructure, and security domains. Experience integrating complex systems using APIs, message queues, and ETL pipelines. Applicants selected will be United States citizens and may be subject to a government security investigation for access to classified information. ABOUT US At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, inclusion, and an attitude that welcomes challenges meets demands, sustains growth, and drives innovation. We provide expert mission-first technical and programmatic services and solutions for the US intelligence community, the US Department of Defense, and other governmental agencies. We create people-first organizational cultures where employees feel needed in the system, not a system that needs employees. We provide you with long-term career opportunities centrally focused on our core value system: inclusion, integrity, and a commitment to excellence. MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.
Job Description Job Description TITLE: Sr. Systems Engineer (Citrix) LOCATION: Sterling, VA (Relocation assistance considered) CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-Time, Onsite Multiple positions available POSITION SUMMARY MGS is seeking a Sr. Systems Engineer (Citrix) to lead the design, deployment, and optimization of an enterprise Citrix Virtual Desktop Infrastructure (VDI) environment within a secure, cloud-native platform supporting national security missions. In this role, you will deliver scalable, high-performance virtual desktop solutions while maintaining Linux and Windows cloud-based infrastructure, COTS applications, and enterprise computing services across a DevSecOps-driven Agile environment. Working alongside engineering, cybersecurity, and mission experts, you will implement secure-by-default configurations, drive Infrastructure as Code (IaC) practices, and keep critical environments running at the highest level. RESPONSIBILITIES (not limited to): Design, deploy, and maintain Citrix Virtual Apps and Desktops (CVAD) infrastructure in a 100% cloud environment, including Delivery Controllers, StoreFront, NetScaler/ADC, and supporting components. Implement and manage Citrix Provisioning Services (PVS) or Machine Creation Services (MCS) for desktop image management; manage Virtual Delivery Agents (VDAs), hypervisors, and storage systems. Optimize VDI performance through monitoring, capacity planning, and resource allocation; configure and manage user profiles using FSLogix. Deploy, configure, and maintain Linux and Windows cloud-based infrastructure, COTS applications, and enterprise computing services as IaC and AaC. Configure IdAM, Active Directory, and LDAP resources with platform applications. Troubleshoot complex technical issues across the VDI and infrastructure stack using log file analysis and root-cause analysis. Develop and execute comprehensive test plans; prepare and maintain technical documentation including user guides, infrastructure diagrams, and operational procedures. Collaborate with engineering teams and end-users to design and maintain application interfaces and platform solutions. Develop within an Agile scrum team following DevSecOps principles and configuration management standards. Prepare technical presentations for government and senior leadership. REQUIRED SKILLS AND QUALIFICATIONS Must possess an active DoD TS/SCI security clearance with CI Polygraph. Must meet DoD 8140 requirements, including Security+ CE certification. Bachelor's or master's degree in a STEM field. Experience may be acceptable in lieu of a degree. 10+ years of experience deploying and maintaining platform infrastructure and COTS applications in cloud-based environments. 5+ years of hands-on experience with Citrix Virtual Apps and Desktops, including expert knowledge of Citrix architecture, components, and deployment methodologies. Experience with hypervisor platforms including VMware vSphere, Microsoft Hyper-V, or Citrix Hypervisor. Proficiency with Citrix NetScaler/ADC configuration and management. Strong experience with Windows Server administration and Active Directory. Experience with cloud architecture, system design, and enterprise workflow or automation platform integration. Experience supporting IdAM technologies including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC. Experience with DevOps tooling including Ansible, Terraform, Jenkins, and GitLab. Familiarity with containerized development environments including Rancher and Kubernetes. DESIRED SKILLS AND QUALIFICATIONS Citrix Certified Professional, Virtualization (CCP-V) or higher. Experience with Model-Based Systems Engineering (MBSE) environments and tools. Experience optimizing cloud-hosted solutions and supporting Azure or similar environments. Experience configuring and instrumenting monitoring and visualization tools such as Grafana and Splunk. Experience implementing and integrating ServiceNow solutions. Familiarity with customer security requirements and processes within classified environments. Experience supporting virtualization technologies and application streaming or layering techniques. Experience leading from a total system perspective across cloud services, infrastructure, and security domains. Experience integrating complex systems using APIs, message queues, and ETL pipelines. Applicants selected will be United States citizens and may be subject to a government security investigation for access to classified information. ABOUT US At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, inclusion, and an attitude that welcomes challenges meets demands, sustains growth, and drives innovation. We provide expert mission-first technical and programmatic services and solutions for the US intelligence community, the US Department of Defense, and other governmental agencies. We create people-first organizational cultures where employees feel needed in the system, not a system that needs employees. We provide you with long-term career opportunities centrally focused on our core value system: inclusion, integrity, and a commitment to excellence. MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.
Northrop Grumman
Los Angeles, California
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Defense Systems (DS) is seeking a Software Quality Assurance Manager 2 to join our Advanced Weapons Business Unit at the Northridge, CA location. Our Advanced Weapons team designs, develops, and manufactures missile systems that support U.S. national and allied security objectives. This position is required to be full-time, on-site in the Northridge, CA location. No remote/telework arrangement is available for this position. Applicants must have the ability to obtain and maintain a US Government DoW Secret clearance. The Software Quality Assurance Manager leads the planning, execution, and continual improvement of all software quality activities for defense grade systems. The role ensures that software products meet stringent DoD specifications, safety, reliability, and security standards throughout the development lifecycle. The manager mentors a multidisciplinary SQA team, collaborates with engineering, test, and program management, and serves as the primary liaison with certification bodies and government auditors. KEY RESPONSIBILITIES: Quality Strategy & Planning - Define and maintain the SQA strategy aligned with DoD standards (e.g., MIL STD 498, MIL STD 2167A, DODAF, DI COT, DoD Cybersecurity Maturity Model Certification - CMMC). Develop and enforce a comprehensive Quality Assurance Plan (QAP) for each program, including verification & validation (V&V) schedules, metrics, and risk mitigation actions. Process & Compliance - Oversee implementation of software development processes (Agile, Scrum, or Waterfall) that satisfy Earned Value Management (EVM), Capability Maturity Model Integrated (CMMI) Level 3, and Software Configuration Management (SCM) requirements. Conduct internal audits, prepare for external CDRL reviews, and ensure compliance with ISO 9001, IEC 61508, CMMI, and applicable defense acquisition regulations. Test Management - Direct functional, integration, system, and acceptance testing on simulators, hardware in the loop (HITL) rigs, and field environments. Manage automated test frameworks, continuous integration/continuous deployment (CI/CD) pipelines, and static/dynamic analysis tools (e.g., DO 178C, MISRA C, Coverity, SonarQube). Defect Management - Establish defect tracking policies, prioritize root cause analysis, and coordinate corrective actions across development teams. Monitor defect density, mean time to detect/resolve, and trend data to drive process improvements. Team Leadership - Recruit, train, and mentor SQA engineers, test pilots, and subject matter experts. Conduct performance reviews, define career development paths, and foster a culture of quality and security awareness. Stakeholder Coordination - Interface with program managers, system engineers, customers, and government auditors to communicate quality status, risks, and mitigation plans. Prepare and present quality reports, dashboards, and risk assessments to senior leadership and contract officers. Continuous Improvement - Lead lessons learned sessions, implement Kaizen/Lean initiatives, and update process documentation to reflect evolving defense standards and emerging cyber threats BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Electrical Engineering, Systems Engineering, or a related field with 8+ years of software development experience in the defense sector OR Master's degree with 6+ years of the same experience. 12 years of experience required in lieu of a formal degree 3+ years of experience in a supervisory or lead SQA role Proven expertise with defense standards such as MIL STD 498, DO 178C, CMMC, ISO 9001, IEC 61508, and related acquisition regulations. Hands on experience with test automation and CI/CD tools (e.g., Jenkins, GitLab CI), defect tracking systems (JIRA, DOORS), static analysis tools (Coverity, Polyspace), and simulation environments. Demonstrated success leading internal and external audits, CDRL reviews, and compliance assessments. Strong people management skills, with the ability to motivate cross functional teams under tight schedules. Ability to obtain and maintain a US Government DoD Secret clearance PREFERRED QUALIFICATIONS: Certified Quality Engineer (ASQ CQE) or Certified Software Quality Engineer (ASQ CSQE). Experience with safety critical systems (e.g. missile guidance, command and control). Knowledge of cybersecurity frameworks (NIST , RMF, DoD Cybersecurity Strategy). Exposure to Agile Scaled frameworks (SAFe) applied to defense contracts. Exposure to working with DCMA, NAVAIR, and TPO. Primary Level Salary Range: $146,600.00 - $219,800.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Defense Systems (DS) is seeking a Software Quality Assurance Manager 2 to join our Advanced Weapons Business Unit at the Northridge, CA location. Our Advanced Weapons team designs, develops, and manufactures missile systems that support U.S. national and allied security objectives. This position is required to be full-time, on-site in the Northridge, CA location. No remote/telework arrangement is available for this position. Applicants must have the ability to obtain and maintain a US Government DoW Secret clearance. The Software Quality Assurance Manager leads the planning, execution, and continual improvement of all software quality activities for defense grade systems. The role ensures that software products meet stringent DoD specifications, safety, reliability, and security standards throughout the development lifecycle. The manager mentors a multidisciplinary SQA team, collaborates with engineering, test, and program management, and serves as the primary liaison with certification bodies and government auditors. KEY RESPONSIBILITIES: Quality Strategy & Planning - Define and maintain the SQA strategy aligned with DoD standards (e.g., MIL STD 498, MIL STD 2167A, DODAF, DI COT, DoD Cybersecurity Maturity Model Certification - CMMC). Develop and enforce a comprehensive Quality Assurance Plan (QAP) for each program, including verification & validation (V&V) schedules, metrics, and risk mitigation actions. Process & Compliance - Oversee implementation of software development processes (Agile, Scrum, or Waterfall) that satisfy Earned Value Management (EVM), Capability Maturity Model Integrated (CMMI) Level 3, and Software Configuration Management (SCM) requirements. Conduct internal audits, prepare for external CDRL reviews, and ensure compliance with ISO 9001, IEC 61508, CMMI, and applicable defense acquisition regulations. Test Management - Direct functional, integration, system, and acceptance testing on simulators, hardware in the loop (HITL) rigs, and field environments. Manage automated test frameworks, continuous integration/continuous deployment (CI/CD) pipelines, and static/dynamic analysis tools (e.g., DO 178C, MISRA C, Coverity, SonarQube). Defect Management - Establish defect tracking policies, prioritize root cause analysis, and coordinate corrective actions across development teams. Monitor defect density, mean time to detect/resolve, and trend data to drive process improvements. Team Leadership - Recruit, train, and mentor SQA engineers, test pilots, and subject matter experts. Conduct performance reviews, define career development paths, and foster a culture of quality and security awareness. Stakeholder Coordination - Interface with program managers, system engineers, customers, and government auditors to communicate quality status, risks, and mitigation plans. Prepare and present quality reports, dashboards, and risk assessments to senior leadership and contract officers. Continuous Improvement - Lead lessons learned sessions, implement Kaizen/Lean initiatives, and update process documentation to reflect evolving defense standards and emerging cyber threats BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Electrical Engineering, Systems Engineering, or a related field with 8+ years of software development experience in the defense sector OR Master's degree with 6+ years of the same experience. 12 years of experience required in lieu of a formal degree 3+ years of experience in a supervisory or lead SQA role Proven expertise with defense standards such as MIL STD 498, DO 178C, CMMC, ISO 9001, IEC 61508, and related acquisition regulations. Hands on experience with test automation and CI/CD tools (e.g., Jenkins, GitLab CI), defect tracking systems (JIRA, DOORS), static analysis tools (Coverity, Polyspace), and simulation environments. Demonstrated success leading internal and external audits, CDRL reviews, and compliance assessments. Strong people management skills, with the ability to motivate cross functional teams under tight schedules. Ability to obtain and maintain a US Government DoD Secret clearance PREFERRED QUALIFICATIONS: Certified Quality Engineer (ASQ CQE) or Certified Software Quality Engineer (ASQ CSQE). Experience with safety critical systems (e.g. missile guidance, command and control). Knowledge of cybersecurity frameworks (NIST , RMF, DoD Cybersecurity Strategy). Exposure to Agile Scaled frameworks (SAFe) applied to defense contracts. Exposure to working with DCMA, NAVAIR, and TPO. Primary Level Salary Range: $146,600.00 - $219,800.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
