42 jobs found

MANTECH seeks a skilled and mission-focused Cloud Support Engineer (CSE) to join our team in Tysons, VA . The Cloud Support Engineer will support hybrid cloud infrastructure operations by providing critical, 24x7 incident response and customer service. You will help troubleshoot complex issues across Linux and Kubernetes environments, collaborate with engineering teams, and ensure enterprise and government customers experience seamless cloud integration and support. Responsibilities include but are not limited to: Diagnosing, resolving, and tracking complex support cases through ServiceNow, phone, and email channels; ensuring all incidents are properly documented and closed in accordance with SLAs Monitoring and triaging incidents triggered by automated alerting systems; following established SOPs and runbooks for investigation and escalation Independently resolving technical issues related to Linux and Kubernetes infrastructure with minimal supervision, escalating only when engineering support is required Partnering with product and backline engineers to reproduce issues, validate fixes, and enhance system stability and documentation Identifying trends or repeat incidents and providing structured feedback to engineering and process improvement teams Delivering high-touch, mission-critical support to government and enterprise customers; ensuring clear, timely, and professional communication during all incident phases Contributing to updating and refining documentation, runbooks, and response procedures to continuously enhance service reliability and efficiency Work Shift - This is for a night shift 10pm-6am position. Schedule to include but not limited to rotating weekends that may be required. Schedule subject to change based on business need. Minimum Qualifications: Bachelor's degree in Computer Science, Information Systems, Engineering, Mathematics, or related discipline Education Substitutions: Four (4) years of relevant experience may be substituted for a bachelor's degree An associate's degree and two (2) years of relevant experience may be substituted for a bachelor's degree AWS Cloud Practitioner or Azure Fundamentals (AZ-900): each may substitute 0.5 years' experience CompTIA Security+, ITIL Foundation, CompTIA Network+, or CompTIA A+: each may substitute 1 year experience AWS Solutions Architect Associate, Azure Administrator, Google Cloud Engineer, Cisco CCNA, CompTIA Linux+ Professional, Azure Solutions Architect (AZ-305), Google Professional Cloud Architect, or CISSP: each may substitute 2 years' experience Other relevant certifications: each may substitute 0.5 years' experience Experience in Linux system administration (command-line management, networking, and service operations) Experience working in Kubernetes environments, including container management, basic cluster troubleshooting, and deployment verification Experience with ticketing, alerting, and incident response tools 8140 Compliance (Combination of technical degree or certifications such as CompTIA Network+ CE, CompTIA A+ CE, CompTIA Security+ CE, CCNA Security, CND, etc) Preferred Qualifications: Experience with ServiceNow ticketing, alerting, and incident response tools Experience with ServiceNow Customer Service Management (CSM) module Background supporting IT operations or cloud service environments within DoD or Intelligence Community customers Familiarity with ITIL frameworks, incident lifecycle management, and enterprise support workflows Experience in hybrid or on-prem/cloud integrated environments Proficiency with Google Workspace or Microsoft Office collaboration tools Strong written and verbal communication skills, with the ability to clearly articulate technical issues to both technical and non-technical audiences Demonstrated experience and ability to prioritize, manage, and resolve multiple incidents under pressure Clearance Requirements: An active/current TS is required for this position with the ability to obtain/maintain SCI access Physical Requirements: Must be able to remain in a stationary position 50% Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team USMC IT Service Desk in Stafford, VA. Responsibilities include but are not limited to: Maintain multiple networks for over 600 users Assist in administering and maintaining Windows servers, Windows Workstations, Virtual Machines, and other critical systems in an enterprise environment Use Microsoft Service Manager, Remedy, ServiceNow, or other ticketing system to create, update, monitor, and close tickets Diagnose and resolve technical hardware and software issues by conducting basic and tier II troubleshooting for servers, workstations, and applications within the Active Directory environment Assist and support with account creations, resetting passwords, troubleshooting system and network problems, installation of hardware and workstations, unlocking accounts, and transferring data Support Accreditation efforts, to include STIGS, POAMs, SAARs, and other critical Processes Update/Create documentation as needed (user guides, admin guides, knowledge base articles, FAQs, quick reference guides) Minimum Qualifications: At least 3 years of related experience in Service Desk or System Administration roles. Meet DoD 8570 IAT Level II requirements Experience with Active Directory (user account creation, password resetting, PKI setup, group policy, etc.) Experience developing and maintaining system applications/security/network configurations Experience troubleshooting network performances issues Experience with the set-up, configuration, and support of internal and external networks Preferred Qualifications: Knowledge of standard DoD and Marine Corps concepts, practices, and procedures. Active Directory, Group Policy, Linux OS, Networks, MS Exchange, MS Lync, SCCM, Service Manager, MS Hyper-V, MS SQL Server, Networked Printers/Services, Distributed File Services, Data Protection Manager, SMB, JavaScript, SharePoint PowerShell scripting using any/all the respective plugins related to the applicable technologies Working knowledge of DoD STIGs related to the applicable technologies and how to implement, mitigate, and write POAM statements Clearance Requirements: Must have a current / active DoD Top Secret/SCI clearance Physical Requirements: Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Date Posted: 2026-06-24 Country: United States of America Location: US-CO-AURORA-S E Centretech Pkwy BLDG S75 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. We have an exciting opportunity for a Senior. Principal Platform DevSecOps Engineer, supporting one of our premier programs in the business unit where you will be working with a cross-disciplinary team of Platform engineers and Systems Administrators leading the industry in ground systems solutions. This role entails leading the design, development, implementation, integration, and sustainment of a cloud-based compute, network, and storage infrastructure. The position also focuses on platform modernization by incorporating emerging technologies to optimize performance and efficiency. Utilizing DevOps/DevSecOps methodologies, tools, and automation, the role is critical in streamlining processes, enhancing collaboration, and accelerating software release cycles. As part of the team, you will contribute to the development and operational environments of a large-scale program that supports a critical national asset, ensuring its reliability and innovation in line with mission objectives. Note This position will be filled onsite at the RTX Facility in Aurora CO. What You Will Do Platform Development and Optimization: You will Contribute to the architecture, design, integration, and support of platform and infrastructure environments across build, integration & test, and production stages. Focus on ensuring these environments are optimized for performance, reliability, and scalability within cloud-based ecosystems Best Practices and Automation: You will Utilize industry and company best practices to enhance scalability, consistency, and infrastructure efficiency, while reducing deployment time and automating configuration management processes Cross-Team Collaboration: You will Work closely with software engineers, data scientists, and other agile development teams to design and implement resilient and scalable platform solutions Security and Compliance Integration: You will Embed security and compliance measures into the platform, including services like encryption and access management Operational Support: you will Provide ongoing operational support to maintain the stability, functionality, and performance of the platform Qualifications You Must Have Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and a minimum 10 years of related work experience Experience in the installation, configuration, and maintenance of RedHat Linux operating systems Experience with automation frameworks such as Terraform, Ansible, and Chef to streamline infrastructure deployment and management Experience programming or scripting languages such as Python and Bash for automation, configuration, and system operations Active and Current TS/SCI with CI Poly security clearance is required on day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer Experience designing, implementing, and integrating cloud-based systems on infrastructure platforms like AWS Experience in analyzing performance and troubleshooting applications and infrastructure services on Linux-based operating systems Strong infrastructure background managing and troubleshooting servers, networks, storage, and virtualization technologies DevSecOps Framework: Proficiency in developing, testing, and delivering applications within a DevSecOps framework Experience with cloud platforms, preferably AWS, including designing, deploying, and securing cloud services AWS Services Proficiency: Hands-on experience with AWS services such as EC2, EKS, S3, CloudWatch, IAM, and VPC, with a focus on secure and scalable deployments Proficiency in designing, implementing, and integrating platform infrastructure services using containerization technologies such as Kubernetes, Docker, and/or Podman Hands-on experience in deploying, configuring, and supporting CI/CD pipeline tools such as Jira, Confluence, Jenkins, Artifactory, GitLab and Helm Familiarity with security scanning tools like Nessus COTS/FOSS Products: Experience in installation, configuration, and integration of Commercial Off-The-Shelf (COTS) and Free and Open-Source Software (FOSS) products DoD 8570 IAT Level II Certification: Must meet Department of Defense 8570 Information Assurance Technical (IAT) Level II requirements, such as holding a Security+ CE or equivalent certification. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation Relocation Eligibility Learn More & Apply Now! Please consider the following role type definition as you apply for this role Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: Location: Aurora, CO: We are RTX As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX 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, age, disability or veteran status, or any other applicable state or federal protected class . click apply for full job details

MANTECH seeks a motivated, career, and customer-oriented Network System Administrator (NSA) - I to join our team in El Segundo, CA. You will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities supporting SSC Directorates and/or AFSPC Operational Units in a full-time, on-site environment. Responsibilities: Install, maintain, audit, and support a secure MS Windows network environment and limited web/data application services. Maintain internet applications and protocols including IP, TCP, HTTP, HTTPS, FTP, and SSL. Maintain file servers, firewalls, network access, Security Monitoring Systems, and system documentation. Interface directly with local customers to provide technical IT support and quickly resolve system anomalies. Perform periodic maintenance, hardware upgrades, replacement, firmware updates, and system configuration changes. Manage data backup libraries, conduct scheduled tape backups, and maintain secure storage both on-site and off-site. Attend planning meetings with IT staff, Program Managers, and customers to prepare systems for operational use and support testing. Minimum Qualifications: Bachelor's degree in a related field or 4 years of additional experience in lieu of a degree. 1+ years of total relevant IT experience Must meet DoD Directive 8570.01-M/8140 IAT Level II certification requirements (e.g., Security+ CE, CCNA, CySA+, CND) within 6 months of hire. Possess applicable Windows professional certifications based on operating system requirements for the supported organization. Preferred Qualifications: 1 year of SCI or SAP experience highly desired. Thorough knowledge of Microsoft Windows Server, Microsoft Exchange Server, and Windows client operating systems and associated hardware. Working knowledge of LAN/WAN technologies, data backup systems, and COMSEC integration. Working knowledge of JAFAN 6/0, DCID/JAFAN standards, ICDs, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards. Experience with PL1 through PL4 systems and cross-domain solutions. Strong ability to work independently in a dynamic environment with DoD, military, civilian, and industry partners. Clearance Requirements: Current Top-Secret Clearance with SCI Eligibility Must be eligible for access to Special Access Programs (SAP). Must be willing to submit to a Counterintelligence polygraph. Physical Requirements: Requires travel within the organizational Area of Responsibility (AOR), which may include both air and ground transportation. Must be able to lift up to 50 lbs. Must be able to remain in a stationary position 50% of the time in closed-area offices. Must be able to move about inside and outside the office to access files, cabinets, safes, and install or remove computer-related equipment.