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# Information Systems Security Officer

- **Company:** System One
- **Location:** Clarksburg, MD, United States
- **Salary:** $150,000
- **Contract:** Permanent contract
- **Skills:** Xacta, Cyber Security, Information Systems, Software Vulnerability Management, Plan of Action and Milestones
- **Published:** November 8, 2026
- **Apply:** https://www.juju.com/job/16_d7e696933

## About the Role

* Active TS/SCI with Polygraph
 * Experience in ISSO / Information Assurance / cybersecurity compliance in classified environments
 * Strong knowledge of RMF and the security authorization process (ATO)
 * Familiarity with:
 + NIST SP 800-53 (Rev 3 and/or Rev 5)
 + NIST SP 800-37
 * Experience with compliance/configuration scanning and assessment workflows
 * Strong communication skills (written + verbal) and comfort working cross-functionally

Tools/Platforms (Experience With)

Experience with RMF/cyber compliance tools such as:

 * XACTA
 * LATTE / ART
 * BISCOTTI
 * WATCHCAT
 * STE (Experience with similar tools is also valuable.)

Documentation You Should Be Comfortable With

Hands-on experience developing/reviewing security documentation such as:

 * SSP, POA&M, SAR, RAR
 * CMP, CP, BIA
 * SPFs / exceptions and related artifacts
 * AARs and audit support documentation

Preferred / Nice-to-Have

 * Prior support of classified government systems
 * Experience partnering with ISSMs, System Owners, Security Control Assessors, and Authorizing Officials
 * Familiarity with vulnerability remediation and system administration security concepts
 * Certifications like Security+, CISSP, CAP, CASP+, or CISM

## Description

Title: Information Systems Security Officer (ISSO) Location: Clarksburg, MD (Onsite) Type: Direct Hire Compensation: $150,000/year (salary) Schedule: 40 hours/week Clearance Required: Active TS/SCI with Polygraph (required to start), We're hiring an Information Systems Security Officer (ISSO) to support mission-critical, classified environments. In this role, you'll help ensure information systems stay compliant throughout the Risk Management Framework (RMF) lifecycle-supporting ATO packages, continuous monitoring, assessments, and audit readiness. You'll partner closely with technical teams and security stakeholders to drive secure, compliant system operations., * Build and maintain security authorization packages and RMF documentation

 * Coordinate and support Authority to Operate (ATO) efforts
 * Perform/control security assessments, compliance reviews, and control validation
 * Track vulnerabilities, findings, and remediation activities (POA&Ms, etc.)
 * Support Continuous Monitoring (ConMon) and ongoing security activities
 * Review scan results/configurations to ensure alignment with security requirements
 * Work with system teams to implement/maintain required security controls
 * Participate in audits, inspections, and cybersecurity compliance reviews
 * Provide risk-based recommendations to improve security posture