Systems Administrator

Leidos’ Defense Sector is seeking a Systems Administrator to support US Army Central G2 at Shaw Air Force Base, SC . This role is part of the Sentinel G2 Army MI Enterprise, providing IT repair, maintenance, operations, logistics, and engineering services to ensure the secure and uninterrupted availability of Army Military Intelligence Enterprise IT Systems. Primary Responsibilities Provide TierI and TierII support to resolve hardware, software, and application issues across multiple networks, including on‑premises and cloud‑integrated environments; provide prompt customer assistance when required. Manage user accounts, authentication, and access controls across legacy Active Directory and Azure Active Directory / EntraID; address and resolve tickets related to Azure resource access. Guide end‑users through the enrollment process for Windows11 and iOS devices into Microsoft Intune; troubleshoot and resolve Intune enrollment errors and synchronization issues. Review Intune dashboards and on‑premises monitoring tools to identify non‑compliant devices; assist users in bringing devices back into compliance. Manage and support collaboration and communication tools, including Microsoft365 (Outlook, SharePoint, Teams, PowerApps), email security, archiving, and PKI encryption. Apply mandatory security patches, OS updates, IAVAs, and STIGs across both traditional AD‑joined Windows11 endpoints and Intune‑managed devices; collect, review, and store log files to proactively identify and remediate system issues. Perform basic network troubleshooting for workstation/LAN connectivity; manage scheduling and de‑confliction for JWICS Video Teleconferences. Document hybrid system configurations using Visio, Word, and PowerPoint; assist cybersecurity teams with accreditation efforts. Fulfill helpdesk support duties as needed, focusing on administrative IT‑related responsibilities and providing dedicated customer care across multiple networks. Participate in special projects and day‑to‑day operations as needed or assigned by the site lead. Basic Qualifications Diploma/GED with 6+ years of experience, Associate’s Degree with 4+ years of experience, Bachelor’s degree with 2+ years of experience, or Master’s degree with under 2 years of experience. Active DoD TS/SCI clearance required. Active IAT LevelII baseline certification (CompTIA Security+CE or equivalent) or higher, held and maintained per DoD8570.01‑M and DoD8140.03 (DCWF) requirements. Microsoft Windows10 MCP certificate of training. Understanding of TCP/IP, DNS, DHCP, firewalls, and basic system security practices. Basic knowledge of PowerShell, Bash, or Python to automate routine tasks. Preferred Qualifications Computing Environment certifications/certificates of training: Microsoft365 Certified Modern Desktop Administrator, Microsoft Endpoint Administrator, NetApp (ON TAP Data Administrator). Experience with Microsoft PowerShell and PowerApps. DIA VTC scheduling and US Army client and network experience. Pay Range $59,150.00–$106,925.00 EEO Statement All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr