Information Systems Security Officer (R5614)

Shield AI
On-site
Posted 4 months ago
Legal Division

AI summary

The Information Systems Security Officer will implement and maintain cybersecurity controls, support system accreditation, and ensure compliance with security requirements in a classified IT environment.

Eligible from: Unknown

Job Description

Job Description:

We are seeking a detail-oriented and mission-driven Information Systems Security Officer (ISSO) to support our Federal Systems Team and ensure the security, compliance, and integrity of our classified information systems. This is an on-site role within a high-performance classified IT environment.
The ISSO will play a critical role in safeguarding systems by implementing and maintaining cybersecurity controls, supporting system accreditation, and ensuring compliance with DoD and Intelligence Community (IC) security requirements. This role is central to enabling secure operations across multiple classification levels, including environments leveraging Cross Domain Solutions (CDS). 

Responsibilities

What you'll do:

 Information Assurance & Security Compliance:
  • Implement and monitor cybersecurity controls in accordance with RMF and NIST 800-53
  • Ensure compliance with DoD and IC requirements
  • Review configurations, audit logs, and controls regularly
  • RMF & Accreditation Support:
  • Support RMF lifecycle activities
  • Maintain SSPs, POA&Ms, and related artifacts
  • Coordinate with ISSM, AO, and stakeholders
  • Continuous Monitoring & Risk Management:
  • Perform vulnerability management and patch tracking
  • Analyze scan results (ACAS/Nessus)
  • Report system risk posture
  • Incident Response & Audit Support:
  • Support incident response activities
  • Assist with audits and inspections
  • Maintain audit-ready documentation
  • Cross Domain Solutions (CDS) Security Oversight:
  • Support CDS accreditation and compliance
  • Validate configurations and data flows
  • Coordinate with CDS administrators
  • System Hardening & Configuration Management:
  • Ensure STIG compliance
  • Maintain secure baselines
  • Review configuration changes
  • Collaboration & Advisory:
  • Work with engineers and admins on secure design
  • Provide guidance on MLS environments
  • Requirements

    Required qualifications:

  • 3–6 years in cybersecurity or ISSO roles in classified environments
  • Experience with RMF and NIST 800-53
  • Familiarity with STIGs and vulnerability tools
  • Preferred qualifications:

  • IC or SAP environment experience
  • eMASS familiarity
  • Scripting experience (Python, PowerShell, Bash)
  • Bachelor’s degree or equivalent experience
  • Ready to Apply?

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    About the job

    Posted on
    May 11, 2026
    Job type
    Full-time
    Location
    Dallas, TexasOn-site

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