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 - 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 skilled Systems Administrator with an active TS/ SCI clearance to work from our Littleton, CO. location. You will be a member of the Global Security (GS) Programs Ground Segment Hardware and Commercial Off The Shelf (COTS) Software Management Team. Duties include installing and testing COTS Software. The team procures, installs, configures, integrates, and maintains Windows Servers, Linux servers, workstations, and windows based computers in support of large software development and Operations / Maintenance programs. Specifically, this position is part of the GEHW Security Engineering team responsible for onboarding and maintaining Security Controls for continued Authority to Operate. Employee will be performing System Administration tasks on the Windows 11 operating systems with opportunity to support Linux OS . This is an MID CAREER (level 3) ROLE where candidates typically require 3 years of professional experience and a BS degree or above. WHY JOIN US - Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization. Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs. Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success. Competitive Benefits: LM employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually.