In this role, you will be joining a team supporting internal customers, designing, implementing and managing lab infrastructure to meet the customer requirements while making impacts in the following ways: • Build, configure, administer and troubleshoot Windows (and Linux) servers and user workstation hardware and software; design and implement workgroup-scale networks • Build and manage authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems. • Partner with facilities security staff to develop and apply hardening steps for systems for classified use to NISPOM Chapter 8, JAFAN, and other customer standards. • Document system configuration for new and existing systems. • Perform VCSA (vCenter Server Appliance) patching and lifecycle operations. • Apply updates to VMware ESXi hosts, ensuring host profile compliance and uptime. • Access and navigate the ESXi Direct Console User Interface (DCUI) for low-level host management. • Perform Exchange operations in a classified environment including user mailbox creation, troubleshooting, and routine maintenance. • Manage and maintain NetApp storage systems, including volumes, snapshots, and secure protocols. • Operate in VMware vSphere environments, including provisioning, performance monitoring, and resource management. • Install, configure, and maintain WSUS (Windows Server Update Services) for enterprise Windows patching. • Maintain comprehensive documentation and contribute to RMF packages and audit readiness. • Collaborate with ISSOs, security staff, and other IT stakeholders to ensure secure, compliant, and high-performing system operations. Because of the need for consistent, in-person collaboration and/or the requirement to perform all work onsite due to the nature of this particular role, it will be performed full- time on site. This means work will be conducted on location at a BAE Systems facility 100% of the time. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified. Required Skills and Education • Security+ certification, and an active Secret Security Clearance • 7 or more years of relevant System Administration experience and a minimum of a high school diploma • Experience with Virtual machine (VM) technologies (ESXi, VCenter, VSphere) • NetApp Management • PXE and WDS automated system installation technologies • Automated backup systems • Red Hat Enterprise Linux and CentOS • Unix shell scripting • Configuration management tools (Subversion, ClearCase) Preferred Skills and Education • CISSP certification • Ability to work both Server Admin and Field service ( PC ) work daily.