• Support and maintain development, maintenance, and oversight of RMF packages for classified C5ISR and IIR systems • Coordinate with Government System Owners, ISSOs, ISSEs, and Authorizing Officials to collect evidence, validate control implementation and maintain package accuracy. • Execute RMF support activities for ATO/IATT and continuous monitoring across multiple systems/enclaves, including documentation updates driven by engineering and operational changes. • Document and track POA&M items, support risk-based prioritization, and provide remediation status reporting through closure. • Validate documentation alignment with system architecture, interconnections, control inheritance, and mission dependencies. • Ensure systems comply with Department of War/DoD, and federal cybersecurity requirements • Support internal and external audits, inspections, and cybersecurity assessments • Monitor changes to cybersecurity policy and support implementation across supported systems • Provide compliance status, risk analysis, and authorization reporting to government leadership • Author, maintain, and approve cybersecurity SOPs, plans, and technical documentation • Standardized documentation practices across supported systems and teams • Ensure documentation supports audits, inspections, and operational continuity • Support cybersecurity risk management for C5ISR and IIR systems • Assess security impacts across enterprise, tactical, and mission networks • Support interconnected and cross-domain system authorization efforts