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

Agile Defense is seeking an experienced Information System Security Officer (ISSO) to support the FBI ISSO/ISSE Program Management. The ISSO will support the development, implementation, and ongoing refinement of a methodology for categorizing and organizing FBI information technology systems based on security, operational, and mission-related factors. This role will help ensure systems are consistently grouped according to attributes such as classification level, FIPS-199 categorization, hosting environment, CNSS 1253 overlays, data types, and business function. The ISSO will also support labor mapping, chargeback/cost recovery reporting, and documentation requirements associated with the call order. The ideal candidate will bring experience in federal cybersecurity compliance, risk management, RMF, GRC tools, and stakeholder coordination in a complex, mission-driven environment.

Responsibilities

Support development and maintenance of a documented methodology to categorize FBI IT systems based on classification level, FBI division supported, National Security System designation, FIPS-199 impact level, hosting location, CNSS 1253 overlays, data types managed, mission/business function, and other evolving criteria; Apply the methodology across assigned systems in accordance with task order timelines; Ensure methodology aligns with FIPS-199, NIST RMF and related NIST publications, CNSS policies and overlays, and FBI internal cybersecurity directives; Analyze systems based on risk, operational impact, security posture, and required level of ISSO/ISSE support; Maintain clear documentation supporting system grouping decisions, labor mapping, and support allocation; Coordinate with program leadership, the COR, call order PM, and internal reviewers to ensure the methodology is transparent, consistent, and defensible; Support alignment of labor categories and seniority levels to systems based on complexity and support requirements; Provide inputs for monthly reporting on labor allocation, chargeback, and cost recovery by system and FBI division; Assist with preparation of Monthly Statement Reports (MSRs); Track changes to systems, policies, technologies, and organizational structures that may affect categorization logic; Support updates to methodology and reporting workflows within required timeframes; Support ATO lifecycle activities, POA&M tracking, risk assessments, compliance documentation, and audit readiness efforts; Support approved automation or semi-automated processes used for categorization, reporting, or labor/cost visibility in accordance with FBI requirements

Requirements

Bachelor's degree in Cybersecurity, Information Assurance, Information Systems, Computer Science, Engineering, or related field; equivalent experience may be considered; 5+ years of experience in cybersecurity compliance, information assurance, ISSO support, or system security governance in a federal environment; One of the following certifications: SecurityX/CASP+, CCISO, CCSP, CGRC/CAP, Cloud+, GSEC, Security + or SSCP; Active Top Secret clearance required; Experience supporting system categorization, security control compliance, and risk management under federal cybersecurity frameworks; Working knowledge of FIPS-199, NIST SP 800-37, NIST SP 800-53, CNSS 1253, and Federal RMF processes; Experience with GRC tools and maintaining system/security data; Experience supporting reporting, documentation, and audit readiness; Strong written and verbal communication skills; Ability to manage multiple systems and priorities in a structured, deadline-driven environment

Nice to have

Experience supporting FBI, DOJ, IC, or other federal law enforcement or national security customers; Experience with classified systems and National Security Systems; Familiarity with Azure and AWS environments; Experience supporting labor/resource planning based on system complexity or compliance workload; Relevant certification(s), such as CISSP, CISM, CAP, Security+, or GSLC

Benefits

Health Insurance; Life Insurance; Paid Time Off; Holiday Pay; Short-term and long-term Disability; Retirement; Learning and Development opportunities; Other optional benefit elections