ISSO

Leidos
Full-time Alexandria, VA other-general
Posted:
June 15, 2026
Location:
Alexandria, VA, United States

Job Description

**Description**

**Unleash Your Potential**

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

**If this sounds like an environment where you can thrive, keep reading!**

**The Mission**

Leidos is seeking an Information System Security Office (ISSO) to support a large enterprise IT contract for the DOD. The ISSO will be responsible for reviewing and maintaining existing Authority to Operate (ATO) documentation throughout the sustainment portion of the system lifecycle. They will utilize the XACTA system to update documentation in the Risk Management Framework (RMF) System Security Package (SSP), verify s...

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Job Overview

Job Type: Full-time
Location: Alexandria, United States
Posted: June 15, 2026
Deadline: June 20, 2026