Systems Network Administrator (TS/SCI w/ Poly)Leidos – National Security Sector | Cyber & Analytics Business Area (CABA)Leidos is seeking a Systems Network Administrator / MIM Administrator (SME) to join our National Security Sector's Cyber & Analytics Business Area (CABA). This team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics, delivering mission-critical capabilities that directly support national security.If you're looking to work on high-impact systems in a mission-driven environment—while deepening your expertise in Identity & Access Management (IAM)—this is an opportunity to make a real difference.Why Leidos?At Leidos, you'll work on meaningful missions with cutting-edge technologies—while being supported in your career growth.We offer:401(k) with 6% match + immediate vestingGenerous PTO + 11 paid holidaysFlexible work schedulesPaid parental leaveTechnical upskilling, training, and education supportEmployee stock purchase planAnd moreWhat You BringCore Experience:Strong experience supporting enterprise IT systems and infrastructureAdvanced troubleshooting across Windows-based environmentsHands-on expertise with: Microsoft Identity Manager (MIM) / Forefront Identity Manager (FIM); MS SQL Server (connectivity, maintenance, backups—not DBA-level)Deep understanding of Identity lifecycle management (Joiner–Mover–Leaver); Data flow and synchronization across systemsTechnical Skills:MIM/FIM (MIM 2016 or FIM 2010 R2)PowerShell (advanced) – including use with MIM Workflow Activity Library (MIMWAL)Windows Server Infrastructure – AD, DNS, Group PolicyC# /.NET – ability to develop and maintain custom rules and workflow extensionsExperience with SQL Server (FIM Service & Sync DBs)Familiarity with flat file integrations (or ability to learn quickly)Basic Qualifications10+ years of experience as a Systems Administrator or similar roleBachelor's degree in a technical field (or 5 additional years of experience in lieu of degree)IAT Level II certification or higher (e.g., Security+, Microsoft, VMware, etc.)Active TS/SCI with Polygraph (required)Preferred QualificationsFamiliarity with Microsoft's EntraIDMake an ImpactJoin a team where your work directly supports national security and mission success. At Leidos, your expertise matters—and your growth does too.