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Modern Technology Solutions, Inc. (MTSI) is seeking a Information Systems Security Manager to lead RMF lifecycle activities from system categorization through ATO.
Your essential job functions will include but may not be limited to:
- Develop and maintain authorization packagesÂ
- Coordinate with SCA and AO representatives to resolve findings and adjudicate risk
- Prepare systems for ATO, IATT, and continuous authorization
- Ensure implementation and validation of security controls per JSIG/NIST 800-53.
- Track and remediate POA&Ms; enforce accountability for corrective actions.
- Conduct internal compliance assessments and inspection preparation
- Assess technical risk and provide written risk recommendations to government Cyber lead/Security Director.
- Ensure configuration management and baseline control integrity
- Provide cybersecurity briefings to senior leadership as required
- Maintain working relationships with external stakeholders.
Required:
- 10+ years cybersecurity experience in DoD classified environments. (SAP/SCI)
- 3+ years experience as ISSM or equivalent senior cybersecurity lead
- Deep familiarity with: JSIG, RMF (DoDI 8510.01), ICD 503, NIST 800-53
- DoD 8570/8140 IAT Level III or IAM Level II/III certification (e.g., CISSP preferred).
- Strong written and verbal communication skills with experience preparing presentation materials for leadership audiences.
- Experience working directly with Authorizing Officials and SCAs.
- Experience in multi-system portfolio management.
Education Requirements:
- Bachelor's Degree in Cybersecurity, IT, Engineering, or related field (or equivalent experience).
Clearance Requirements:Â
- Current/active Top Secret/SCI; Current or recent DoD SAP access
- Subject to a Counterintelligence (CI) polygraph
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