Systems Administrator

Job Summary

To support a high-fidelity testing environment, the contract Systems & Infrastructure Administrator will architect, deploy, and maintain a hybrid infrastructure remotely for approximately 12-15 weeks, focusing on network engineering, Windows and Linux administration, and OT/ICS systems integration.

Key Responsibilities

• Design, implement, and maintain virtualized and physical network infrastructure including VLANs, firewalls, and routers
• Deploy and manage Active Directory, Domain Controllers, and Windows Server/Desktop endpoints across multiple subnets
• Provision and maintain Linux servers and utilize virtualization platforms for training range scenarios

Required Qualifications

• 5+ years of hands-on experience in Systems Administration, Network Engineering, and Windows Support
• Strong proficiency in Windows Server Administration and Linux Administration
• Solid understanding of routing, switching, and firewall configuration
• Familiarity with OT/SCADA concepts and industrial security standards
• Experience managing hypervisors and containerization platforms