Information System Security Officer

peraton· Cyber Security
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📍 Washington, DC, USFULL TIME💰 USD 104K–166K

About this role

Responsibilities

Peraton is seeking an Information System Security Officer (ISSO) to support our customer onsite in Washington D.C. Responsibilities include:

  • Assist the Information System Security Manager (ISSM) with information assurance efforts, and systems across numerous environments
  • Perform Information System Security Officer (ISSO) roles and responsibilities as prescribed by the JSIG and other applicable regulations
  • Execute and maintain RMF activities (e.g., control implementation oversight, evidence collection, assessment support, POA&M management, continuous monitoring)
  • Maintain security authorization artifacts (e.g., SSP, control narratives, diagrams, inheritance/leverage controls, CM plan, incident handling plan, contingency artifacts, user/admin procedures)
  • Operate continuous monitoring: vulnerability management, config compliance, patching coordination, scan result triage, risk acceptance, and remediation verification
  • Review and approve security-relevant changes through configuration/change control and validate security configurations after major upgrades
  • Support incident response and reporting: participate in investigations, coordinate containment actions, preserve evidence, and contribute to post-incident lessons learned
  • Ensure least privilege/access governance: account management oversight, privileged access workflows, periodic access reviews, and audit compliance requirements
  • Translate security requirements into implementation guidance that engineering teams can operationalize (clear, testable, and automatable where possible)

Qualifications

Required qualifications

  • Active Top Secret clearance with SCI eligibility
  • 5 years with BS/BA; 3 years with MS/MA; 4 years additional relevant experience may be considered in lieu of BS degree
  • Security+ or equivalent certification (DoD 8570 IAM Level II)
  • Experience with SAP assessments and authorizations
  • 3+ years experience with Authority to Operate (ATO) process, continuous monitoring, POA&Ms, Security Authorizations (SA), NIST 800-37, NIST 800-53 Rev4/ Rev5, working with Information System Owners (ISO) and Program Managers (PM)
  • Experience with SCAP, STIGs, and other compliance tools
  • Proven written and verbal communication skills, and the ability to work well with team members
  • Active TS clearance with ability to obtain SCI

 

Preferred qualifications

  • Experience with SCRUM methodologies
  • Experience with Ongoing Authorizations
  • Experience with Splunk and/or other auditing compliance tools
  • Experience with ACAS, Nessus, and/or other vulnerability scanners

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Frequently Asked Questions

What is the salary for the Information System Security Officer role at peraton?
The listed salary for this Information System Security Officer position at peraton is USD 104K–166K. This is an FULL TIME role.
Where is the Information System Security Officer position at peraton located?
This Information System Security Officer role at peraton is based in Washington, DC, US. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Information System Security Officer role at peraton full-time or part-time?
This is listed as a FULL TIME position. It is posted as a Information System Security Officer role in the Cyber Security department at peraton.
Which team or department does the Information System Security Officer at peraton belong to?
This Information System Security Officer position is part of the Cyber Security department at peraton. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Information System Security Officer position at peraton?
Click the "Apply Now" button on this page. You will be redirected to peraton's official application portal hosted on icims where you can submit your application directly.
When was the Information System Security Officer job at peraton posted?
This Information System Security Officer position at peraton was posted on Aug 6, 2026. Apply as soon as possible — early applications are often reviewed first.
Information System Security Officer
peraton · 💰 USD 104K–166K
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You'll be redirected to peraton's official application page on icims.