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ISSO - On-Site Cybersecurity National Security

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

Job Description & How to Apply Below

Position: ISSO - On-Site Cybersecurity for National Security

Leidos LLC is seeking an Information Systems Security Officer (ISSO) to support critical national-security missions in a secure on-site environment. You will help maintain the security posture, support accreditation activities, and collaborate with ISSMs, system administrators, and mission teams.

The role requires a Bachelor's degree or 15 years of ISSO experience, TS/SCI with Polygraph, and full-time on-site work.

Consider building your career as a ISSO
- On-Site Cybersecurity for National Security at Leidos.

We invite applications for the ISSO
- On-Site Cybersecurity for National Security position located in MD, United States.

The following role is for a ISSO
- On-Site Cybersecurity for National Security with Leidos.

Our team is growing, and we are hiring a ISSO
- On-Site Cybersecurity for National Security in MD, United States.

This role is for the ISSO
- On-Site Cybersecurity for National Security role at Leidos.

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