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Senior Cyber Security Engineer — Mission-Critical NCTS​/SCI

Listing for: Leidos
Full Time position Listed on 2026-11-11
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 131000 - 237000 USD Yearly USD 131000.00 237000.00 YEAR

Job Description & How to Apply Below

Position: Senior Cyber Security Engineer — Mission-Critical NC3 TS/SCI

Leidos is seeking a Senior Cyber Security Engineer to join a focused team delivering IA architecture and security engineering for NC3, COG, and senior leader comms. You will assess risks, design, implement, and operate real-time security capabilities across enclaves, and guide architecture with DoD stakeholders.

Requires a Bachelor’s in a related field, 14+ years in ISSE/Systems Engineering, and an active TS/SCI with polygraph. Strong RMF, writing, and briefing skills are essential.

We are looking to fill the Senior Cyber Security Engineer — Mission-Critical NC3 TS/SCI position at Leidos in MD, United States.

This role, Senior Cyber Security Engineer — Mission-Critical NC3 TS/SCI at Leidos, could be your next opportunity.

Are you ready to take on the Senior Cyber Security Engineer — Mission-Critical NC3 TS/SCI role at Leidos?

We would love to welcome a new Senior Cyber Security Engineer — Mission-Critical NC3 TS/SCI to our group in MD, United States.

Position Requirements

10+ Years work experience
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