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25 system administrator jobs found

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Lockheed Martin
Jan 23, 2026
IT Systems Engineer, Sr / Top Secret / Onsite: KoP, PA
Lockheed Martin King of Prussia, PA, USA
Description: Lockheed Martin Enterprise Operations (EO) is actively seeking an experienced information technology (IT) professional to support the Space business area classified program areas located in Valley Forge, Pennsylvania. Deep expertise in technical leadership, Linux server, Windows server, Storage and network administration are essential elements in providing support for these complex classified environments. The candidate will need a strong understanding of TCP/IP, IT security principles, cost estimating, proactive attitude, strong customer relationship management skills and the ability to work both independently and as part of a larger technical team. Primary job responsibilities include, but are not limited to: designing, estimating, ordering, tracking, installing, configuring, securing, hardening, remediating, testing, upgrading and decommissioning of data center equipment, network switches, virtual servers, physical servers, client workstations and...
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
Feb 06, 2026
Linux Systems Administrator, Sr / TS/SCI Poly / Onsite: KoP, PA
Lockheed Martin King of Prussia, PA, USA
Description: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers’ toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Martin Space division located in King of Prussia, PA. This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information Protection Manuals (CIPM). This includes upgrades, operations and maintenance, Hardware and Software installations, domain accounts, password issues and service requests (Servers, Workstations, and Storage). In this position the chosen candidate will expand their computer systems skills across servers,...
Lockheed Martin
Mar 10, 2026
Staff, Contracts Management (TS clearance)
Lockheed Martin King of Prussia, PA, USA
Description:  What is it like to work in contracts at Lockheed Martin? 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. This role will offer you the...
Lockheed Martin
Mar 10, 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...
Lockheed Martin
Mar 10, 2026
DevSecOps Engineer Senior - Top Secret Clearance Required to Start
Lockheed Martin King of Prussia, PA, 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 re-imagining 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. Are you ready to invent the future? Lockheed Space is leveraging emerging,...
General Dynamics Mission Systems, Inc
Mar 10, 2026
Contractor Program Security Officer (CPSO)
General Dynamics Mission Systems, Inc Pittsburgh, PA, USA
Basic Qualifications Bachelor’s degree in Administration of Justice, Criminal Justice, Law Enforcement or related field or the equivalent is required plus a minimum of 5 years relevant experience; or Master's degree plus a minimum of 3 years relevant experience. General Dynamics experience is strongly preferred. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI with Polygraph 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 General Dynamics Mission Systems is seeking a full-time, dedicated and experienced CPSO / FSO / ITPSO to join our team in Pittsburgh, PA . The ideal candidate should have a minimum 5 years of experience in CPSO/FSO...
Lockheed Martin
Mar 05, 2026
Ground Software Engineer
Lockheed Martin King of Prussia, PA, 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. LM SPACE: WHAT WE'RE DOING 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...
Lockheed Martin
Mar 04, 2026
Information Systems Security Officer - Mid Career (Level 3)
Lockheed Martin King of Prussia, PA, USA
Description: This position requires Final Secret clearance with ability to obtain Top Secret. The Cybersecurity Analyst will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) in King of Prussia, PA. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex hours and a...
Lockheed Martin
Mar 04, 2026
Systems Engineer, Nuclear Safety
Lockheed Martin King of Prussia, PA, 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. About Our Team Come join a group of diverse Engineers with a long history of...
Lockheed Martin
Mar 02, 2026
Senior DevSecOps Engineer - (Top Secret Clearance)
Lockheed Martin King of Prussia, PA, 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 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. THE WORK Lockheed Martin is seeking a highly skilled...
Lockheed Martin
Mar 02, 2026
Senior DevSecOps Engineer - (Top Secret Clearance Required)
Lockheed Martin King of Prussia, PA, 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 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. THE WORK Lockheed Martin is seeking a highly skilled...
Lockheed Martin
Mar 02, 2026
DevSecOps Engineer Staff - (Top Secret Clearance)
Lockheed Martin King of Prussia, PA, 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 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. THE WORK Lockheed Martin is seeking a highly skilled...
Lockheed Martin
Feb 27, 2026
Software Engineer - Early Career
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. In this role, you will work in a team environment utilizing software methodologies and processes. The successful candidate will have...
Lockheed Martin
Feb 24, 2026
Systems Engineer - IT - Secret Clearance Required
Lockheed Martin King of Prussia, PA, USA
Description: WHAT WE'RE DOING As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications across the C4ISR line of business. This position is in the C4ISR market segment supporting United States Air Force and Navy programs specializing in software and systems engineering under the Weapons Platform Integration organization. THE WORK As a IT- Systems Engineer across the C4ISR line of business , you will: • Work in an Kanban environment providing support for implementation, troubleshooting and maintenance of various Information Technology (IT) systems, including networking equipment - Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices • Patch, harden and design Windows and Linux (Red Hat) and networking systems with Security personnel to protect against ever changing Cyber Threats Please Note: • This position requires a government...
Lockheed Martin
Feb 21, 2026
Staff DevSecOps Engineer - Top Secret Clearance Required
Lockheed Martin King of Prussia, PA, 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 re-imagining 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 successful candidate should be excited about opportunities incorporating new...
Lockheed Martin
Feb 18, 2026
Systems Engineer - IT - Top Secret Clearance Required
Lockheed Martin King of Prussia, PA, USA
Description: WHAT WE'RE DOING As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications across the MIC2 line of business. This position is in the C4ISR market segment supporting United States Air Force and Navy programs specializing in software and systems engineering under the Weapons Platform Integration organization. THE WORK As a IT- Systems Engineer across the MIC2 line of business , you will: • Work in an Kanban environment providing support for implementation, troubleshooting and maintenance of various Information Technology (IT) systems, including networking equipment - Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices • Patch, harden and design Windows and Linux (Red Hat) and networking systems with Security personnel to protect against ever changing Cyber Threats Please Note: • This position requires a government...
Lockheed Martin
Feb 18, 2026
Cyber Security Engineering Asc Manager
Lockheed Martin King of Prussia, PA, USA
Description: The coolest jobs on this planet … or any other … are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineering Manager. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team that leads the...
Lockheed Martin
Feb 12, 2026
Senior DevSecOps Engineer - Top Secret Clearance Required to Start
Lockheed Martin King of Prussia, PA, 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 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. THE WORK Lockheed Martin is seeking a highly skilled...
Lockheed Martin
Feb 11, 2026
Program Agile LEAD
Lockheed Martin King of Prussia, PA, USA
Description: At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. Within Space, we are seeking a talented Release Train Engineer (RTE) to join our Agile Talent Center team as an RTE deployed to the VUE program with a desire to facilitate Agile Release Train (ART) events and processes and assist teams in delivering business and customer value. RTEs communicate with stakeholders, escalate impediments, help manage roadblocks, and facilitate improvement in our Space Business Area. The RTE will support the Solution Train Engineer and be the direct program liaison for all activities described below. As an RTE for the Agile Talent Center team, you will be expected to: - Work together with Product and Technical stakeholders of the ART to manage and optimize the flow of value through the ART - Serve as the primary facilitator of ART level events and processes including Value Stream Mapping, Roadmap...
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