Senior System Administrator

Description:***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently September 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.***

Position details:

Location: King of Prussia, PA
Work Schedule: 9x80
Position type: Full-time onsite (this is not a hybrid position)
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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, in-vest, 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 work-force 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 Space is seeking a Senior System Administrator to join our team in King of Prussia, PA!

As a Senior Systems Administrator you will:

- Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems for multiple locations.
- Manage IT system infrastructure and provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage devices.
- Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
- Provide support for system hardware problems and remain involved in the resolution process
- Assist in arranging for services of outside vendors; understanding the required supplies and repair parts needed to maintain system performance, including working with logistics personnel to orders parts as needed.
- Respond to emergency maintenance requests as required.
- Perform a variety of work in the maintenance and repair of site equipment as needed.

What you will gain in this role:
- Opportunity to travel inside and outside of the continental United Stated to assist with installation and testing projects. - Accelerate your skills to take on engineering growth opportunities and cross training
- Expand your engineering and analytical proficiency through challenging, real‑world projects
- Collaborative experience working side‑by‑side with a high‑performing team of engineers and analysts.
- High‑impact engagement with the customer on technical discussions and interchanges
- Hands‑on involvement in a mission area that delivers tangible, real‑world results

#SpaceRF
Basic Qualifications:
- Experience with deploying and managing Linux OS
- Experience with deploying and managing Windows OS
- Experience with vSphere
- Current CompTIA Security+ certification

Security Clearance / Work Authorization:
• To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen.
• Prior to starting employment, selected candidates will be required to possess TS/SCI w/Poly clearance. For this position, applicants must possess a currently Active TS/SCI w/Poly security clearance to be considered.
Desired Skills:
- Experience trouble-shooting and managing software/hardware related to servers, virtual machines, and implementing access management controls/account management practices
- Strong oral/written communication skills
- Self-driven, ability to work independently and in a team environment
- Proven experience working in a collaborative environment with cross-functional teams
- Advanced working knowledge and skills associated with computer based maintenance related to digital processing systems/subsystems utilizing Linux, Microsoft, and/or other operating systems
- Experience in event log management, basic networking, personal computer applications, data security administration, SAN hardware
- Experience working in a classified/access-controlled facility
- Experience with security data classification guidelines
- Red Hat Certified System Administrator
- Microsoft certified system administrator
- Technical engineering degree and / or military background
- Willingness to travel (up to 10%)
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI w/Poly
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
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.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help 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, develop, 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. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Systems Engineering: Design and Verification
Type: Full-Time
Shift: First