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# Information Systems Security Manager

- **Company:** Mantech International Corporation
- **Location:** Saint Inigoes, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Word, Microsoft Excel, CompTIA Security+, Cyber Security, Information Systems, Microsoft Office, Microsoft PowerPoint, Data Logging, SC Clearance, Tenable Nessus
- **Published:** July 10, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9023099/information-systems-security-manager

## About the Role

seeks a motivated, career and customer-oriented to join our team. This position is in ., * Bachelor's Degree in a related field

 * 10+ years of relevant Information Systems Security experience; with at least 6 years of that experience in DoD Cybersecurity and RMF
 * Must have a DoD Cyberspace Workforce computing certification (i.e CISSP, SSCP or similar)
 * Must possess a CompTIA Security+ certification
 * Working knowledge of Microsoft Office (Word, PowerPoint, and Excel) and applicable Risk Management Framework tools

 * Master's Degree in related field
 * Must be thoroughly familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD/DOW Manuals and other guiding policy documents

 * Must be a U.S. Citizen with an active Secret Clearance and the ability to obtain a Top-Secret security clearance.

 * Must be able to remain in a stationary position 50% of the time.
 * Needs to occasionally move about inside the office to access file cabinets, office machinery, or technical equipment.
 * Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
 * Must be able to exchange accurate information in these situations.

## Description

* Assisting with the development, maintenance, and oversight of the Information System (IS) security program and baseline policies for assigned systems and enclaves
 * Supporting systems through the Risk Management Framework (RMF) process by drafting Assessment and Authorization (A&A) documentation, System Security Plans (SSPs), and Plans of Action and Milestones (POA&Ms)
 * Tracking continuous monitoring strategies and data feeds to ensure system security postures remain compliant and effective against emerging threats
 * Participating in vulnerability monitoring, basic auditing workflows, and remediation logging efforts using automated compliance and scanning tools
 * Supporting investigations into security anomalies and incidents while collaborating with multidisciplinary, multiservice, and multiagency teams
 * Assisting with cybersecurity awareness coordination, system user training tracking, and professional documentation delivery across the organization
 * Providing input to the Change Control Board (CCB) process to log and review system modifications, ensuring they do not degrade the baseline security posture


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