Senior IT System Administrator

Position Title: Senior IT System Administrator Location: US-Alabama-Redstone Arsenal Job ID: 5296 # of Openings: 1 Category: Information Technology Clearance: Top Secret/SCI Clearance Status: Active Type: Regular Full-Time Overview The Senior IT System Administrator is responsible for the day-to-day administration, maintenance, and security of the JWICS environment for US Army G2’s Intelligence Division (AMIS-IN), Security Division (AMIS-SE), and the Special Projects Office (SPO) (AMIS-SEP). Responsibilities Lead all aspects of the RMF process, from system categorization and security control selection to implementation and assessment. Develop, maintain, and update all required RMF documentation, including the System Security Plan (SSP), Security Assessment Report (SAR), and Plan of Action & Milestones (POA&M). Manage the system’s security posture within the Enterprise Mission Assurance Support System (eMASS), ensuring all data is accurate and up to date. Implement and manage a robust continuous monitoring strategy to actively assess security control effectiveness, track vulnerabilities, and manage configuration changes. Serve as the primary security advisor to the system owner and liaise with the Authorizing Official (AO) and other key stakeholders to ensure a clear understanding of system risks and compliance status. Qualifications BA/BS with a minimum 5+ years of hands‑on experience dedicated to applying RMF to complex DoD IT systems. Current, industry‑standard certifications relevant to the role (e.g., CompTIA Security+, CCNA, RHCSA, MCSA), meeting DoD 8570/8140 requirements for the assigned role (e.g., IAT Level II). Demonstrated mastery of eMASS, vulnerability scanning tools (e.g., ACAS/Nessus), COMSEC, and security compliance checkers (e.g., SCAP). Top Secret/SCI security clearance. Equal Opportunity Employer/Protected Veteran/Disability. Equal employment opportunity, including veterans and individuals with disabilities. PI284406008 #J-18808-Ljbffr