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40 systems administrator jobs found

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Security Clearance Lockheed Martin systems administrator
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Lockheed Martin
Aug 18, 2026
Windows & Linux Systems Administrator Staff
Lockheed Martin MD
Standard Job Description WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and support of Arista as well as other vendor platforms. The incumbent will drive automation, security, and DevOps best practices while delivering resilient, high performance infrastructure...
Lockheed Martin
Jun 02, 2026
Linux Systems Administrator Level 1 - Clearance Required
Lockheed Martin MD
Description: What We’re Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. Cyber | Lockheed Martin Who we are: Our team is solving the tough challenges and pushing the boundaries of technology to help our customer achieve its mission. #RMSC6ISR Why Join Us: Your Health, Your Wealth, Your Life...
Lockheed Martin
Aug 21, 2026
Cyber Systems Security Engineer
Lockheed Martin FL
Standard Job Description 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 AFSOC ACTS program. 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 and ACAS security tools • Providing support to maintain the Certification and Accreditation (C&A) of the system to...
Lockheed Martin
Jul 17, 2026
Cyber Security Engineer Senior (Represented)
Lockheed Martin Moorestown, NJ
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. WHO WE ARE Lockheed Martin is driven by innovation, integrity, and a commitment to excellence. We believe in applying the highest standards of business ethics and visionary thinking to everything we do. As part of our team, you will collaborate with a cross functional team of technical professionals including software and systems engineers and radar operators to maintain the cybersecurity posture of the Space Fence Radar System. WHO YOU ARE We are looking for individuals who are passionate about cybersecurity and eager to contribute their skills and expertise to our mission. You should have demonstrable knowledge in...
Lockheed Martin
Jul 16, 2026
Cyber Systems Security Engineer
Lockheed Martin Liverpool, NY
Description: WHAT WE’RE DOING At the dawn of a new age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing workforce are on a mission to make a difference in the world. Our World-class team leverages unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. WHO WE ARE We are leveraging emerging, digitally-enabled capabilities to lower cost, speed up development time and create innovative solutions to best serve our customers and stakeholders. We’re bringing the 4th Industrial Revolution to every role in the company. Are you ready to invent the future? Lockheed Martin Rotary & Mission Systems is on a journey of digital transformation as we...
Lockheed Martin
Jul 16, 2026
Cyber Systems Security Engineer
Lockheed Martin Fort Walton Beach, FL
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
Jul 16, 2026
Cyber Systems Security Engineer
Lockheed Martin Fort Walton Beach, FL
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
Jul 02, 2026
Cyber Security Engineer Senior
Lockheed Martin Colorado Springs, CO
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
Sep 03, 2026
Multi Functional Info Systems Analyst Sr - E3
Lockheed Martin SC
Standard Job Description We are seeking an experienced Autonomic Logistics Information System (ALIS) Administrator to provide operational and technical support to a U.S. Navy unit in Iwakuni, Japan. The ALIS system provides the critical IT infrastructure supporting the F-35 Lightning II, enabling aircraft planning, maintenance, logistics, and sustainment. In this expatriate role, you will help ensure the security, availability, and integrity of mission-critical systems that support aircraft readiness and operational effectiveness. The ideal candidate will have strong systems administration skills, attention to detail, and experience working in a mission-critical or military environment. As critical members of the F-35 Operations Team, all ALIS administrators must be able to: * Obtain and maintain Special Access Program clearance required for program access * This is an operational support role to active fighter units. Administrators must be willing and able to travel for...
Lockheed Martin
Aug 18, 2026
DevSecOps Eng, Staff / Top Secret / Onsite - GA
Lockheed Martin GA
Basic Qualifications Active DoD Top Secret Clearance DoD 8140/8570 Certification Level II (Security + CE, CySA+, CISSP) DevSecOps experience with hands-on experience in CI/CD pipeline development, infrastructure as code (Ansible, Kubernetes, Terraform), and GIT version control Proficient in Red Hat Enterprise Linux (RHEL), with strong command-line and system administration skills Proficient in Microsoft Windows operating systems, including Windows Server 2016/2019 and Windows 11 Understanding of system hardening and security management, including hands-on experience with vulnerability remediation tools and platforms such as Nessus, McAfee, WSUS, Ivanti, Splunk, and SCAP Experience in on-premises virtualization technologies, including VMware ESXi/vSphere Comprehensive knowledge of enterprise storage and backup solutions, including EMC Unity and Data Domain Proficient in managing enterprise storage environments, including NetApp/EMC systems, tape management solutions,...
Lockheed Martin
May 29, 2026
Systems Engineer-IT / Level 2
Lockheed Martin Boulder, CO
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. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented level 2 Systems Engineer-IT with a Secret clearance to work from our Boulder, CO location . Join a team where your network expertise will keep the sensors that watch...
Lockheed Martin
Sep 14, 2026
Systems Engineer Stf
Lockheed Martin CO
Help Desk/Systems Engineer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Help Desk Engineer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure CDS to our customers, enabling the controlled transfer of information...
Lockheed Martin
Sep 14, 2026
Systems Engineer
Lockheed Martin CO
System Installer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Installer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information...
Lockheed Martin
Sep 14, 2026
Systems Engineer
Lockheed Martin CO
System Installer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Installer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information...
Lockheed Martin
Sep 14, 2026
Systems Engineer Stf.
Lockheed Martin CO
System Installer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Installer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information...
Lockheed Martin
Sep 14, 2026
Cybersecurity Test & Evaluation (T&E) Lead
Lockheed Martin CO
Standard Job Description What We're Doing Our team, the Command and Control, Battle Management and Communications (C2BMC) team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies. The Work   The Cybersecurity T&E lead will report to the C2BMC Program leadership and is responsible for coordinating no less than 20 high-visibility MDA Cyber Events for the C2BMC element of the Ballistic Missile Defense System (BMDS). This individual will responsible for lead the Cybersecurity Test and Evaluation (T&E) planning, execution and reporting of...
Lockheed Martin
Aug 21, 2026
Hardware Engineer Sr - E3
Lockheed Martin NY
Standard Job Description The Work As the Senior Test Software Automation Engineer, you will design and develop automated test station Software used to test RF/Digital/Analog/Power modules, subsystems, and systems. Designs can include automated test programs, as well as sim/stim test systems used in production test solutions. Responsibilities also include: - The design, development and maintenance phases of the project. - Presenting design documentation for customer and team reviews.  - Integration and validation of the test software. - Costing/proposal data generation for new business. Who you are The ideal candidate for this position will have: - Experience developing test automation software in an aerospace environment using LabView, C/C++ and Matlab. - Expertise in automating measurement equipment. -Previous experience with computer operating systems and administration.  What We're Doing Lockheed Martin is shaping the future of defense through cutting edge...
Lockheed Martin
Aug 21, 2026
Network Engineer - E2
Lockheed Martin CO
Standard Job 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. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented level 2 Network Engineer with a Secret clearance to work from our Boulder, CO location . Join a team where your network expertise will keep the...
Lockheed Martin
Aug 21, 2026
Dev Sec Engineering Sr - E3
Lockheed Martin PA
Standard Job Description Performs tech planning, design, devel, integ, v&v for total syst life cycle. Analyses performed at all levels of syst product incl. concept, design, fabrication, test, instl, operation, maintenance & disposal, incorp design methods & stds for Cyber Security, SW & HW infrastructure. Designs, devels, docs, tests & debugs SW that contains logical & math solutions to business/mission problems/questions in computer language. Ensures the logical & syst conversion of customer/product reqs into total syst solutions that ack tech, sched, cost constraints & align to SW & HW deployment pipelines & factories. Performs func & timeline analysis, detail trade & reqs allocation & interface defs studies to translate customer reqs into HW & SW feature defs & acceptance criteria. Applies stds, processes, procedures & tools throughout the devel life cycle. Applies HW & SW knowledge, cyber security stds in...
Lockheed Martin
Aug 18, 2026
Cyber Software Engineer Senior
Lockheed Martin PA
Standard Job Description • Bachelor’s degree in Cybersecurity, Systems Engineering, Computer Science, Information Technology, or related STEM discipline; equivalent experience may be considered. • Minimum 5+ years of experience in cybersecurity, systems engineering, information assurance or relevant experience • Experience securing Linux and/or Windows operating systems in enterprise or mission environments. • Experience with Automation tools specifically Ansible and familiarity with deployment automation • Experience with vulnerability scanning and remediation tools. • Experience with scripting languages and automation tools • Ability to obtain and maintain a DoD Secret clearance (or higher, as required). Basic Qualifications What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical...
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