Senior Infrastructure Engineer - Level 3 (Top Secret Required)

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. As a Systems Engineer‑IT, you will: Provide systems (server/application/network) administration of the development and production environments Perform COTS hardware/software integration, testing and verification Support system security activities including vulnerability management, access control and authentication, file system security, system hardening, compliance and auditing Support operational site in use of the deployed baseline Perform automation development and support activities (Python/Bash/Ansible scripting) Document defects in discrepancy reports and collaborate with technical team on solutions *** This position is contingent upon the program award expected in the winter of 2026. *** Basic Qualifications: Virtualization experience Linux and Windows systems administration capabilities for configuration and management, package management and software installation, troubleshooting/performance optimization, security support tasks Ability to script (e.g., Bash, Ansible) to automate tasks and workflows Ability to perform IT environment hardening/security management, including administration of Trellix Security + or CISSP Certifications or other certification that fulfills DOD 8570 requirements Must have an active Top Secret with ability to obtain and maintain SCI security clearance. (Must be a US citizen) Desired Skills: VMWare/ESXi/vSphere experience NetApp experience System administration experience Experience implementing and managing STIGs Software installations, account management (Active Directory & Group Policy), virtualization, networking, hardware design, procurement and installation, systems engineering, test and verification Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: TS/SCI Schedule for this Position: 9x80 every other Friday off Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. #J-18808-Ljbffr Lockheed Martin Corporation