The Digital Modernization Sector at Leidos is seeking an experienced Cybersecurity Risk Management Framework (RMF) Specialist to join  the DISA Defense Red Switch Network (DRSN) team in support of an enterprise VoIP management system – GSM-O II contract at Fort Meade, MD.  The ideal  candidate will have a background in guiding systems through the Assessment and Authorization (A&A) lifecycle and be responsible for maintaining the XACTA package and maintaining associated security documentation on a high-paced, fast-moving program. The candidate will be a member of a team that interacts with technical and non-technical individuals including customers and vendors, but primarily with our subject matter expert teammates. In this role, the candidate will provide expertise on security related questions and coordinate with system owners, ISSMs, and Authorizing Officials (AOs) throughout the ATO process.

  

Responsibilities:

• Serve as the subject matter expert on the RMF process
• Lead the development, service, and annual sustainment of the Security Control Policy Plan in areas such as Control Implementation, Assessment and Monitoring, Mitigation Plans, Training and Awareness
• Assist the government with development, service, and annual sustainment of the Security Control Policy Plans for Contingency and Incident Response, Security Control Assesments, Roles and Responsibilities, and Compliance Requirements
• Provide strategic guidance to engineering and security teams regarding security controls and compliance requirements
• Coordinate with system owners, ISSOs, ISSMs, and AOs throughout the A&A process
• Support vulnerability assessments and security control testing in alignment with NIST SP 800-53 and organizational policies
• Track and manage remediation of identified risks and vulnerabilities
• Maintain continuous monitoring activities and support ongoing authorization initiatives
• Stay current on evolving federal cybersecurity mandates, policies, and technologies
• Maintain and update POAMs and waivers

Core Qualifications:

• Bachelor's degree and 5+ years of experience in cybersecurity with at least 3 years in RMF
• Demonstrated experience leading ATO efforts
• Strong working knowledge of:
  • NIST SP 800-37, 800-53, 800-127
  • FIPS 199/200
  • XACTA, eMASS
• Excellent communication skills (written and verbal)
• Excellent technical writing and documentation skills
• Capable of translating technical risk to impacts for non-technical stakeholders
• Detail-oriented
• Familiarity with a broad range of tools supporting cybersecurity and assessments inc
• Active SCI clearance or Top Secret (eligible for SCI) clearance
• Security + is REQUIRED
• All candidates must be US CITIZENS to be considered for the position

Preferred Qualifications:

• CISSP,CAP,CISM or equivalent cyber security certifications
• Experience supporting DoD, DHS, or IC RMF processes
• Familiarity with SIEMS and logging tools
• Experience with configuration management tools (e.g., Ansible, Chef, SCCM)
• Local to Ft. Meade, MD

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Original Posting:

September 22, 2025

Pay Range:

Pay Range $85,150.00 - $153,925.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.