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Information System Security Officer (ISSO) - Senior - Top Secret Clearance Required

Agile Defense · Huntsville, AL
Clearance: Top Secret Onsite cybersecurity 8+ yrs

Senior Information System Security Officer supporting FBI to develop and execute a comprehensive IT system categorization methodology based on security, operational, and mission factors. Ideal for experienced federal cybersecurity professionals ready to drive compliance and risk management at scale.

What you'll do

- Develop and maintain documented methodology for categorizing FBI IT systems across multiple dimensions including classification level, FIPS-199 impact, hosting environment, CNSS overlays, data types, and business function

- Apply categorization methodology to assigned systems per task order timelines and ensure alignment with FIPS-199, NIST RMF, CNSS policies, and FBI cybersecurity directives

- Analyze systems based on risk posture, operational impact, and required ISSO/ISSE support levels; maintain clear documentation supporting all grouping decisions

- Coordinate with program leadership, Contracting Officer's Representative (COR), program manager, and internal reviewers to ensure methodology consistency, transparency, and defensibility

- Support labor category alignment and seniority level mapping to systems based on complexity and support requirements

- Generate monthly reporting on labor allocation, chargeback, and cost recovery by system and FBI division; prepare Monthly Statement Reports with detailed cost breakdowns

- Support ATO lifecycle activities, POA&M tracking, risk assessments, compliance documentation, and audit readiness efforts

- Track and implement changes to systems, policies, technologies, and organizational structures that affect categorization logic and reporting workflows

Mission

Agile Defense is supporting the FBI's Objective 2: ISSO/ISSE Program Management initiative. This role directly supports the FBI's effort to consistently categorize and organize information technology systems across the bureau based on classification levels, FIPS-199 impact ratings, hosting environments, and mission-critical factors to enable better governance and resource allocation.

Required skills

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