Senior Cyber Defense Engineer; TS/SCI) RMF & SIEM Lead
Listed on 2026-10-06
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IT/Tech
Cybersecurity, Systems Engineer
Leidos is seeking a Cyber Defense Infrastructure Support Engineer to join the ONI Hopper Global Communications Center in Suitland, MD. You will build, configure, integrate, and maintain security systems to protect TS/SCI networks, serving as a senior technical resource with Tier 3 escalation support.
You will lead engineering and administration of cybersecurity capabilities across the environment, evaluating new tools and technologies and ensuring secure, reliable operation.
This is a great opening to take on the Senior Cyber Defense Engineer (TS/SCI) RMF & SIEM Lead role at Leidos LLC.
We appreciate your interest in this position.
Join Leidos LLC and contribute to our ongoing work.
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This posting is for the Senior Cyber Defense Engineer (TS/SCI) RMF & SIEM Lead role at Leidos LLC, based in Suitland, MD, United States.
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