System Administrator

Job Overview Obsidian Solutions Group is seeking a System Administrator to provide technical support, system maintenance, cybersecurity compliance, and network management for military information systems and mission command platforms. The ideal candidate possesses foundational DoD‑aligned certifications, hands‑on experience with Microsoft Server and VMware environments, and proficiency with key Army/Joint mission command systems and security tools. Primary Location: Fort Bragg, North Carolina Clearance: Secret clearance Ability to work remotely: No Responsibilities Administer and maintain Windows Server environments, virtual machines, and VMware vCenter infrastructures. Implement system and network hardening techniques to ensure compliance with DoD cybersecurity standards. Manage Microsoft SharePoint sites, permissions, workflows, and content structure. Support configuration, maintenance, and troubleshooting of Joint/Army Mission Command systems (e.g., TAK, CPCE, SOF MC). Use diagnostic tools to identify, troubleshoot, and resolve system/server issues. Configure and maintain network protocols including TCP/IP, DHCP, and DNS. Monitor system performance and optimize servers, services, and virtual environments. Support vulnerability management activities using ACAS/Nessus and remediate findings. Maintain and operate DoD security tools such as AESS, Trellix, Microsoft Defender Endpoint, and other mandated platforms. Implement file system configurations including NTFS, FAT, and EXT standards. Ensure proper configuration and security of firewalls, DMZs, encryption technologies, and other IT security controls. Manage user accounts, permissions, and group policies within enterprise environments. Maintain accurate documentation, system diagrams, configuration baselines, and incident reports. Provide technical support to users, troubleshoot issues, and elevate complex problems when necessary. Support continuity of operations through regular system backups, recovery planning, and redundancy management. Requirements Security Clearance: Active Secret clearance required. Associate degree in an Information Technology (IT) related field or equivalent military training. Special Skills / Qualifications Current certification meeting DCWF System Administrator (451) Basic proficiency requirements (Security+ CE or CySA+). System administration and OS/network hardening. File system implementations (NTFS, FAT, EXT). IT security principles (firewalls, DMZs, encryption). Network protocols (TCP/IP, DHCP, DNS). Operating system command line operation. Diagnostic tools and fault identification. Virtualization technologies and VM management. System performance monitoring and optimization. Minimal Background / Experience In‑depth knowledge of Microsoft Server environments. Experience with VMware (vCenter) and SharePoint administration. Experience with Joint/Army Mission Command systems (TAK, CPCE, SOF MC). Experience using ACAS, AESS, Trellix, Microsoft Defender Endpoint, and other DoD security tools. Obsidian Solutions Group is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy and gender identity), national or ethnic origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, parental status, protected veteran status, and any other non-merit factor, or any other characteristic protected by law. #J-18808-Ljbffr Obsidian Solutions Group