More jobs:
Information System Security Office; ISSO
Job in
Alexandria, Fairfax County, Virginia, 22350, USA
Listed on 2026-06-26
Listing for:
Leidos
Full Time
position Listed on 2026-06-26
Job specializations:
-
IT/Tech
Cybersecurity, Information Security, IT Consultant
Job Description & How to Apply Below
Role Overview
The ISSO will review and maintain existing Authority to Operate (ATO) documentation, utilize the XACTA system, and apply security controls to maintain an acceptable degree of operational risk across multiple enclaves in an enterprise environment.
What You Will DoAuthor, review, and update accreditation packages, maintain SSPs, develop and update Plan of Action & Milestones (POA&Ms), and coordinate A&A renewal activities.
Why It Might Be a FitThe ISSO will promote security best practices, identify and articulate process improvements, and conduct testing and assessments to sustain required accreditations.
Requirements- Practical experience understanding and applying ICD-503 Risk Management Framework
- Experience with XACTA to track, document, and validate accreditation packages
- Understanding of DoD and IC security policies and mandates
- IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher)
- BS degree and 4+ years of prior relevant experience
- Pay Range $87,100.00 - $
- US Citizenship required
- TS/SCI with Polygraph required for Position OR TS/SCI and willingness to obtain and maintain a polygraph
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