The position involves assisting the Information System Security Managers (ISSM) in executing their duties and responsibilities, ensuring compliance with all cybersecurity policies, and maintaining relevant Cybersecurity (CS) policy and procedural documentation. The role requires coordination of cybersecurity processes and activities for assigned systems, as well as oversight of Security Plans throughout their lifecycle. The individual will manage and maintain the Plan of Actions and Milestones (POA&M), ensuring vulnerabilities are tracked and mitigated. Additional responsibilities include coordinating validation of security controls, performing Risk Management Framework (RMF) Standard Operating Procedure (SOP) reviews, and registering systems in Enterprise Mission Assurance Support Service (eMASS). The position also involves planning security control testing, reporting changes in system security posture, and maintaining vulnerability data in Vulnerability Remediation Asset Manager (VRAM).