onsite
Network/System Administrator III - The Amatriot Group
Systems Engineer
Senior Network/System Administrator responsible for designing, deploying, and maintaining secure LAN/WAN infrastructures for a high‑security government environment, leveraging Windows, Linux, and Cisco technologies.
About the role
Key Responsibilities
- Design, implement, and manage LAN/WAN networks for a classified government organization, ensuring compliance with security policies.
- Configure and maintain Windows Server and Linux systems, including Active Directory, DNS, DHCP, and group policy objects.
- Deploy and troubleshoot VPN, firewall, and routing solutions to support secure remote access and inter‑site connectivity.
- Perform regular system monitoring, performance tuning, and capacity planning to maintain optimal network uptime.
- Collaborate with security teams to enforce access controls, conduct vulnerability assessments, and respond to incidents.
Requirements
- Active TS/SCI clearance with ability to obtain a CI Poly.
- 5+ years of experience in enterprise network and system administration.
- Proficiency with Windows Server, Linux, Active Directory, and Cisco networking equipment.
- Strong troubleshooting skills and documentation abilities.
- Excellent communication and teamwork skills in a high‑security environment.
Skills
windows serverlinuxactive directory