Classified Cybersecurity ISSO — Top Secret Clearance
Listed on 2026-10-06
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IT/Tech
Cybersecurity, Information Security & Data Protection
Lockheed Martin is seeking a Classified Cybersecurity Information Systems Security Officer (ISSO) to support systems at the LM Space facility in Valley Forge, PA. This role requires a Top Secret clearance with SCI eligibility and Polygraph, and hands-on RMF administration across Windows and UNIX platforms.
The ISSO will oversee security operations, administer compliance, monitor events, and manage vulnerabilities within established security plans, ensuring secure system disposal and alignment
Step into the Classified Cybersecurity ISSO — Top Secret Clearance role at Lockheed Martin in King of Prussia, PA, United States and grow with us.
The Classified Cybersecurity ISSO — Top Secret Clearance role at Lockheed Martin is now open for applications in King of Prussia, PA, United States.
Join us at Lockheed Martin as our next Classified Cybersecurity ISSO — Top Secret Clearance in King of Prussia, PA, United States.
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