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76 systems administrator jobs found

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Security Clearance United States systems administrator
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Lockheed Martin
Feb 17, 2026
Systems Administrator Lead
Lockheed Martin Herndon, VA, USA
Description: The Contractor shall provide a Systems Administrator Lead to provide the Sponsor with a single POC to oversee and document administration, management, and provisioning of environments, accounts, permissions and roles, and profiles required for the development, O&M, and use of the Sponsor’s systems and applications. Basic Qualifications: - Bachelor's degree in Information technology, Computer Science, Cybersecurity, Computer Engineering, or Information Systems and three (3) years of combined experience in IT systems administration, IT systems/software development and integration, IT systems/software testing, cybersecurity compliance, IT systems troubleshooting, and incident response OR High School Diploma and five (5) years of combined experience in IT systems administration, IT systems/software development and integration, IT systems/software testing, cybersecurity compliance, IT systems troubleshooting, and incident response - Demonstrated two (2) years of...
General Dynamics Mission Systems, Inc
Mar 11, 2026
Linux System Administrator (TS/SCI) - Service Desk
General Dynamics Mission Systems, Inc Fort Belvoir, VA, USA
Basic Qualifications Bachelor’s degree in a specialized area; or equivalent is required plus a minimum of 2 years of relevant experience; or Master's degree. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. Must be able to obtain Polygraph. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   Role and Position Objectives:  Join our team as a Linux Systems Administrator (Service Desk) for Space, Cyber and Intelligence Systems! You'll work with a diverse team managing enterprise systems, specialized Linux OS, cross-domain solutions, and boundary devices.   What You’ll Experience: Hands-on work with RedHat Linux, system/server builds, and...
Lockheed Martin
Apr 02, 2026
Cyber Security Engineer
Lockheed Martin Colorado Springs, CO, USA
Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. THE WORK As a member of our team, you will be involved in a variety of activities aimed at enhancing the cyber resiliency of the USSF Space Fence System radar. This includes tasks such as: • Hardening operating systems, applications, and network devices • Conducting vulnerability scans • Continuous monitoring of the security posture of the system • Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing • Implementing security updates and patches • Applying configuration changes to ESS, ACAS, and SolarWinds security tools • Providing support to maintain the Certification and Accreditation...
Lockheed Martin
Apr 02, 2026
Cyber Security Engineer Senior
Lockheed Martin Colorado Springs, CO, USA
Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. THE WORK As a member of our team, you will be involved in a variety of activities aimed at enhancing the cyber resiliency of the USSF Space Fence System radar. This includes tasks such as: • Hardening operating systems, applications, and network devices • Conducting vulnerability scans • Continuous monitoring of the security posture of the system • Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing • Implementing security updates and patches • Applying configuration changes to ESS, ACAS, and SolarWinds security tools • Providing support to maintain the Certification and Accreditation...
Lockheed Martin
Mar 24, 2026
Dev Sec Ops Engineer
Lockheed Martin Herndon, VA, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The Strata program is seeking a Dev Sec Ops Engineer to become a member of their...
Lockheed Martin
Feb 25, 2026
Security Systems Specialist & Technical Operations
Lockheed Martin King of Prussia, PA, USA
Description: Current Secret with ability to obtain TS/SCI access. The Security Systems Specialist & Technical Operations performs a variety of activities on security systems. The activities ensure compliance with applicable LM policies and US Government secure facility design requirements in CFR 117, ICD 705, and applicable UFC guides and system. Responsibilities include: - Performs a variety of activities on information systems utilized in the Security organization including data extraction and report generation. - Requires proficiency in physical security systems applications for video surveillance, security alarms, access control systems. - Provides definitive security system requirements for proprietary areas, and system level requirements for classified program areas in conjunction with the Physical Security and Accreditation Branch for their application. - Recommends and assists in the development and enforcement of LM Space enterprise standards for these...
Lockheed Martin
Mar 26, 2026
Sr Linux System Administrator - Clearance Required
Lockheed Martin MD, USA
Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Senior Linux System Administrator - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, where we foster innovation and integrity. • As a Senior Linux System Administrator, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions customer. The services enable the...
Lockheed Martin
Mar 31, 2026
ARISE Analytics Sr. Software Engineer - Orlando, FL
Lockheed Martin Orlando, FL, USA
Description: The ARISE Analytics - Platform team is seeking an enthusiastic and talented Software Engineer to join our team. On this team you will play a critical role in designing, building, and maintaining the underlying platforms that enable our developers to build, deploy, and manage applications efficiently. You will work closely with cross-functional teams to ensure our platforms are scalable, secure, and meet the evolving needs of our business. The ARISE Analytics team works closely with A/AI Research engineers, so a working understanding of Machine Learning principles is desirable. Candidates applying to this position should have a Bachelor's degree, or greater, in Computer Engineering, Software Engineering or an equivalent field with significant software development experience. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture,...
Odyssey Systems Consulting Group
Mar 14, 2026
Full time
SDA Branch Administrator
Odyssey Systems Consulting Group Colorado Springs, CO, USA
Position Summary Odyssey Systems has an exciting new opportunity providing Advisory and Assistance Services (A&AS) to support the US Space Force mission to defend National Security Interests in Space as a Space Domain Awareness (SDA) Branch Administrator for System Delta 85 (SYD 85). SYD 85 is the U.S. Space Force organization responsible for developing and delivering resilient space capabilities supporting Battle Management, Command, Control, Communication, and Space Intelligence (BMC3I). SYD 85 synchronizes acquisition efforts for critical space system capabilities and works together with Combat Forces Command (CFC) Mission Deltas to improve mission readiness.     SYD 85’s missions are foundational to Protecting and Defending US Space Systems that provide space-based Intelligence, Early Warning, Communications and Global Positioning services that sustain our way of life, support our national economy and act as force multipliers in times of...
General Dynamics Mission Systems, Inc
Mar 10, 2026
Entry Level Infrastructure Software Engineer
General Dynamics Mission Systems, Inc Pittsfield, MA, USA
Basic Qualifications Bachelor’s degree in Systems Engineering, or a related Science, Engineering or Mathematics field. Agile experience preferred.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is preferred at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As an Infrastructure Software Engineer/Administrator for Surface Ship Systems Programs, you’ll be a member of an agile team responsible for delivering a robust, flexible, secure, and stable infrastructure for U.S. Navy surface ships. You will develop and configure common solutions to complex problems, test and troubleshoot in a lab environment, and create...
General Dynamics Mission Systems, Inc
Feb 24, 2026
Space Force - ServiceNow Platform Administrator
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   The ServiceNow Platform Administrator serves as the technical lead responsible for the health, performance, and operational integrity the ServiceNow instance. This role requires deep expertise in ServiceNow architecture, system administration, and security protocols...
General Dynamics Mission Systems, Inc
Feb 24, 2026
Space Force - Linux Administrator with AWS Skills
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.     CLEARANCE REQUIREMENTS: : [Department of Defense Secret security clearance is preferred at time of hire.] Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   The Linux Administrator provides infrastructure support for ServiceNow MID servers, application nodes, RDS instances, and supporting systems within a self-hosted network enclave. This role combines Linux system administration with cloud infrastructure expertise to...
Lockheed Martin
Feb 18, 2026
Database Admin / Advanced Reporting Tool / J-NEEO / Nellis AFB
Lockheed Martin Nellis Air Force Base, NV, USA
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreaking technology, advanced manufacturing processes, and a world-class team of professionals. Our mission-driven approach and unwavering dedication to excellence ensure that we continue to deliver superior products and solutions to our customers around the world. THE WORK Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Engineering Support Specialist
General Dynamics Mission Systems, Inc Groton, CT, USA
Basic Qualifications Requires a Bachelor’s or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience). Requires an additional 2+ years of job-related experience, or a Master's degree. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be front and center on...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Engineering Support Specialist
General Dynamics Mission Systems, Inc Chesapeake, VA, USA
Basic Qualifications Requires a Bachelor’s or Technology degree in Engineering or a related specialized area/field, or equivalent (4 years job-related experience). Requires an additional 2+ years of job-related experience, or a Master's degree. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be front and center on...
Lockheed Martin
Feb 06, 2026
Information System Security Manager (ISSM Level 5)
Lockheed Martin Fort Worth, TX, USA
Description: Do you want to be part of a culture that inspires employees to think big, perform with excellence and make the impossible become reality? Are you looking for a fast paced, dynamic work environment that is blazing through uncharted territory and accepting the multiple challenges our company and nation face? We provide the resources, inspiration and focus - if you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you. Never have the opportunities for a technical career been so limitless. Lockheed Martin Aeronautics is searching for an experienced Enterprise Information Systems Security Manager (ISSM) to join an exciting opportunity within the Classified Cyber Security team. The selected candidate will provide Cyber Security technical leadership as the Enterprise ISSM and manage internal and external customers’ expectations on security architecture, and Assessment & Authorization...
Lockheed Martin
Feb 04, 2026
Linux Administrator SME
Lockheed Martin Herndon, VA, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin provides Red Hat Enterprise Linux (RHEL) based High Performance...
Lockheed Martin
Feb 04, 2026
SE Linux / MLS SysAdmin
Lockheed Martin Herndon, VA, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin provides Red Hat Enterprise Linux (RHEL) based High Performance...
Odyssey Systems Consulting Group
Nov 21, 2025
Full time
Senior Human Resources Administrative Support Professional
Odyssey Systems Consulting Group MA, USA
Position Summary Odyssey Systems is seeking a Senior Human Resources Administrative Support Professional to provide direct support to the AFLCMC/HN Front Office (FOG) at Hanscom AFB. This role supports senior civilian and military leadership across the Directorate by managing training programs, military personnel actions, career field development, award cycles, VML coordination, and the execution of HR-related administrative functions. The selected candidate will serve as a senior advisor on military personnel processes, training management, and Directorate-level HR operations. Responsibilities In this Advisory and Assistance Services (A&AS) role, you will provide expert-level support to Department of Defense (DoD) programs by assisting government leadership with decision-making, planning, and execution throughout the acquisition lifecycle. You will apply your technical and/or professional expertise to ensure compliance...
Lockheed Martin
Apr 02, 2026
Software Engineer - Early Career (Head Start)
Lockheed Martin King of Prussia, PA, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. Lockheed Martin Space in King of Prussia, PA is seeking a full-time Early Career Software Engineer to begin full time work in 2027. In this role, you will develop, deliver, and operate affordable engineering and sustainment solutions for...
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