Site Systems Administrator (Tier 1–2)

Job description

Position Overview G2IT is seeking a Site Systems Administrator to provide Tier 1–2 technical support and system administration for mission-critical training and operational environments. This role supports a combination of traditional desktops, zero clients, and thin clients, along with Windows Server 2019 systems, ensuring operational readiness and compliance in SIPR and NIPR environments. The administrator will collaborate with end users, IT staff, and mission stakeholders to resolve issues, manage accounts, and maintain infrastructure availability. Key Responsibilities: - Provide on-site Tier 1–2 support for end users, including desktops, zero clients, and thin clients. - Administer and maintain Active Directory (user accounts, groups, policies, and permissions). - Perform routine system maintenance: patching, updates, break/fix, backup/recovery, and asset management. - Manage and monitor Windows Server 2019 systems in support of enterprise operations. - Support SIPR and NIPR environments, ensuring compliance with DoD cybersecurity and IA requirements. - Document issues, solutions, and recurring problems to improve knowledge sharing and process efficiency. - Monitor performance...