Mid-Level IT Network Administrator | DoD Clearance & Security
Listed on 2026-09-05
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IT/Tech
Systems Administrator, Network Administrator, Network Engineer, Cybersecurity
Description
The Network & Systems Administrator is responsible for maintaining, troubleshooting, and supporting an organization’s computer domain servers and networks for corporate enterprise systems along with systems in a secure environment. This role ensures stable enterprise/network performance, assists with server/network upgrades, resolves connectivity issues, and provides technical support for server/network hardware, software, and infrastructure.
Description
The Network & Systems Administrator is responsible for maintaining, troubleshooting, and supporting an organization’s computer domain servers and networks for corporate enterprise systems along with systems in a secure environment. This role ensures stable enterprise/network performance, assists with server/network upgrades, resolves connectivity issues, and provides technical support for server/network hardware, software, and infrastructure.
Key Responsibilities
- Monitor, maintain, and troubleshoot Domain, LAN, WAN, and wireless networks
- Install, configure, and support server and network hardware (domain controllers, application servers, switches, routers, firewalls, access points)
- Support secure network environments, including role based access controls and RMF requirements
- Assist with system/network upgrades, patching cycles, and modernization efforts
- Diagnose and resolve connectivity, performance, and hardware issues
- Perform routine administration/network maintenance, backups, and documentation
- Support VoIP systems, network cabling, and infrastructure components
- Collaborate with IT and cybersecurity teams to support mission critical operations
- Maintain network asset documentation and change logs
- Ensure compliance with DoD security standards and cybersecurity best practices
- Active DoD Secret Security Clearance (required)
- CompTIA Security+ certification (required)
- 2–5 years of hands-on IT system administration and/or network support experience
- Strong understanding of TCP/IP, DNS, DHCP, VPN, VLANs, routing, and switching
- Experience with networking hardware from vendors such as Cisco, Juniper, Ubiquiti, Meraki
- Familiarity with firewalls, ACLs, and secure network configuration
- Ability to interpret and maintain network diagrams and documentation
- Strong troubleshooting and problem-solving abilities
- Additional certifications such as Network+ or CCNA are preferred
- Basic understanding of Microsoft Azure cloud systems
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