The ISSO supports the ISSM by verifying implementation of required security controls, conducting continuous monitoring and self-inspections, tracking corrective actions, supporting user access and training requirements, and ensuring classified systems are operated in accordance with the approved SSP, NISPOM Rule, CSA guidance, and local security procedures; this position is located in Columbia Maryland. Information System Security Officer - responsible for supporting the day-to-day security oversight of classified information systems and ensuring users, systems, and processes remain compliant with NISPOM Rule, DCSA/CSA guidance, approved security documentation, and local procedures.