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# Information Systems Security Officer

- **Company:** Intersec Incorporated
- **Location:** Aberdeen, MD, United States
- **Experience:** Experienced
- **Contract:** Contract
- **Skills:** Software Documentation, Cyber Security, Plan of Action and Milestones, Vulnerability Analysis
- **Published:** November 7, 2026
- **Apply:** https://www.dice.com/job-detail/362a63dc-0069-4c0a-8da0-0ffd2f9b3003

## About the Role

* Active Secret clearance
 * Ability to work on-site in Aberdeen, MD for the full contract
 * Mid-level experience in cybersecurity or information assurance with hands-on DoD RMF work (suggested minimum 5 years; confirm with the client)
 * Working knowledge of the DoD RMF, NIST SP 800-37 and 800-53, and DoD cybersecurity policy
 * Experience building and maintaining ATO packages from start to finish
 * Experience analyzing vulnerability scan results and managing POA&Ms
 * Familiarity with DISA STIGs and secure configuration baselines
 * Strong written and verbal communication skills
 * A DoD 8570/8140 baseline certification (for example Security+ CE, CASP+, CISSP, or CISM; confirm the required level with the client), * Experience supporting Army or other DoD test, engineering, or non-traditional systems
 * Experience with DoD RMF management tools such as eMASS
 * Bachelor's degree in a technical field, or equivalent experience
 * CISSP, CISM, or CAP

## Description

* Perform RMF analysis, planning, and execution for client systems, covering categorization, control selection, implementation support, assessment, authorization, and continuous monitoring
 * Establish and maintain system ATOs, including developing and updating authorization package artifacts (System Security Plans, security assessment documentation, Plans of Action and Milestones, and supporting system documentation)
 * Categorize systems and select and tailor security controls, applying the applicable baselines and overlays
 * Coordinate with system owners, engineers, security control assessors, and the information system security manager to implement and validate security controls
 * Run continuous monitoring: review vulnerability scan results, track STIG compliance, manage POA&M remediation, and support ongoing authorization
 * Review system changes and assess their security impact to protect ATO status
 * Provide cybersecurity engineering support, including secure configuration and hardening guidance for the client's systems
 * Maintain accurate, audit-ready compliance documentation and support inspections and reviews
 * Brief technical and program stakeholders on risk, compliance status, and remediation priorities