Network/System Administrator III - System High Corporation

Key Responsibilities Design, deploy, and maintain secure network and server environments for Special Access Program (SAP) and Sensitive Compartmented Information (SCI) missions. Configure and manage Windows Server, Linux, and Active Directory services, ensuring compliance with federal security standards. Implement and troubleshoot VPN, firewall, and intrusion detection systems to protect critical data and communications. Collaborate with cross‑functional teams to assess risk, conduct vulnerability assessments, and apply security patches. Document system configurations, procedures, and incident responses in accordance with agency guidelines. Requirements Minimum of two years of experience supporting Special Access Program environments. Active TS/SCI clearance with a history of successful security investigations. Proficiency in Windows Server, Linux, Active Directory, and network security protocols. Strong analytical skills and ability to troubleshoot complex technical issues. Excellent communication skills and a commitment to national security mission success. #J-18808-Ljbffr Gravity Engineering Services Pvt Ltd.