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Senior Information System Security Engineer | TS​/SCI Poly

Listing for: Leidos
Full Time position Listed on 2026-11-14
Job specializations:
Salary/Wage Range or Industry Benchmark: 154000 - 278000 USD Yearly USD 154000.00 278000.00 YEAR

Job Description & How to Apply Below

Location: Corridor North

Leidos is seeking a Sr. Information System Security Engineer in the Intel Sector to join a SAFe agile team. You will support system security architecture, RMF, and SVT across development, test, and production environments.

The role requires hands-on vulnerability testing, collaboration with multiple engineering teams, and strong communication with program managers and customer contacts. A TS/SCI polygraph is mandatory up front.

We have an opening for a Senior Information System Security Engineer | TS/SCI Poly in Corridor North, MD, United States within IT & Technology.

This posting is for the Senior Information System Security Engineer | TS/SCI Poly role at Leidos, based in Corridor North, MD, United States.

We are looking to fill the Senior Information System Security Engineer | TS/SCI Poly position at Leidos in Corridor North, MD, United States.

Position Requirements

10+ Years work experience
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