Senior Systems Administrator

Northern Technologies Group (NTG) is seeking a Senior Systems Administrator to support mission-critical operations for U.S. Central Command (USCENTCOM) at MacDill Air Force Base.

This role is responsible for maintaining, securing, and optimizing enterprise IT infrastructure in a high-availability, classified environment. The ideal candidate brings strong hands-on experience with Windows Server environments, system maintenance, and DoD security compliance., * Administer and maintain Windows Server 2019/2022 environments

• Perform system patching, upgrades, and vulnerability remediation
• Monitor and manage server performance, availability, and system health
• Ensure compliance with DoD security standards, STIGs, and policies
• Support infrastructure deployments, system builds, and configuration management
• Troubleshoot and resolve system-level issues across enterprise environments
• Collaborate with cross-functional teams, engineers, and mission stakeholders
• Maintain technical documentation, SOPs, and system procedures
• Escalate and track issues to resolution in accordance with operational priorities
• Support continuous improvement of system performance and security posture

• Active TS/SCI clearance
• DoD 8570/8140 compliant certification (e.g., Security+)
• 3+ years of systems administration experience in enterprise environments
• Hands-on experience with Windows Server administration
• Experience with patching, system upgrades, and maintenance processes
• Understanding of DoD security requirements (STIGs, RMF, etc.)
• Ability to work effectively in a fast-paced, mission-critical environment
• Strong troubleshooting and problem-solving skills, * Experience supporting USCENTCOM or similar DoD combatant commands
• Familiarity with virtualization technologies (VMware/vSphere)
• Experience with certificate lifecycle management (PKI)
• Knowledge of scripting/automation (e.g., PowerShell)
• Experience working in multi-domain or classified environments (NIPR/SIPR)

Physical Demands and Work Environment

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform these functions.

While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate.