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Senior ISSE TS​/SCI Poly | Security Architect & RMF Expert

Listing for: Leidos
Full Time position Listed on 2026-11-09
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Security Management & Operations, Information Security & Data Protection
Salary/Wage Range or Industry Benchmark: 131000 - 237000 USD Yearly USD 131000.00 237000.00 YEAR

Job Description & How to Apply Below

Leidos is seeking a Sr. Information System Security Engineer to support a fast-paced program in an agile SAFe environment.

The role focuses on security architecture, RMF, certification, and cross-domain capabilities across development, test, and production systems. Candidates should have strong vulnerability testing skills, experience with Nessus/NMAP/Wireshark, and a proven record of implementing secure configurations while collaborating with program managers and technical teams to meet

This is a great position to take on the Senior ISSE TS/SCI Poly | Security Architect & RMF Expert role at Leidos.

The following opening is for a Senior ISSE TS/SCI Poly | Security Architect & RMF Expert with Leidos.

Our team is growing, and we are hiring a Senior ISSE TS/SCI Poly | Security Architect & RMF Expert in Annapolis, MD, United States.

This opening is for the Senior ISSE TS/SCI Poly | Security Architect & RMF Expert role at Leidos.

Position Requirements

10+ Years work experience
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