Onsite Mission-Critical Network Administrator – Quantico

Insight Global; Quantico (VA); On-site; USD 69,000 - 79,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

HSA, FSA, DCFSA options

401k with employer matching

Paid time off / sick leave

Job summary

Insight Global is seeking a Network Administrator to be onsite at Quantico, VA. You will operate, maintain, and troubleshoot network connectivity and infrastructure across multiple classified networks, partnering with NOSC to provide helpdesk support and maintain IA compliance.

The role includes LAN/WAN/VPN oversight, hardware configuration, and coordination with Navy/DISA and service providers. Expect shifts including evenings and weekends, with competitive benefits.

Qualifications

• Bachelor’s degree in a related field with 5+ years relevant experience, or Master’s with 3+ years, or PhD/JD with 0 years.
• High school diploma/equivalent with 9+ years relevant experience.
• Experience installing and troubleshooting WAN/LAN equipment and circuits.
• Experience monitoring, maintaining, and troubleshooting ASA firewall ACLs.
• Proficient in Cisco networking (IP addressing, VLANs, OSPF/EIGRP/BGP, Cisco IOS).
• DoD 8570.01-M IAT Level II baseline certification required (e.g., Security+, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP).
• Active DoD Secret security clearance required.

Responsibilities

• Operate, monitor, and maintain LANs, WANs, and VPNs to ensure reliable performance.
• Plan, install, configure, and reconfigure network hardware and software.
• Troubleshoot connectivity issues including WAN circuits and firewall ACLs.
• Coordinate with Navy, DISA, and circuit providers for implementation and resolution.
• Maintain Information Assurance compliance and IOS upgrades.
• Support remote sites to restore network operations after outages.
• Prepare and maintain network documentation and records.
• Monitor performance and propose improvements.
• Coordinate third-party maintenance for equipment.
• Design network solutions to meet evolving needs.
• Work shifts including evenings, nights, and weekends.

Skills

WAN/LAN troubleshooting

Cisco networking

IP addressing

VLANs

Routing protocols (OSPF, EIGRP, BGP)

DNS/NetFlow/packet analysis

Protocol sniffers

Security clearance (DoD Secret)

IAT Level II baseline certs (e.g., Sec

Education

Bachelor’s degree in related field

Master’s degree in related field

PhD/JD in related field

High school diploma/equivalent + 9 years relevant experience

Tools

SolarWinds

STIGs

Network monitoring tools

VPN/ASA firewall basics

Cryptographic devices (KG 175D/KG 75)

Job description

Insight Global is seeking a Network Administrator to be onsite at Quantico, VA. You will operate, maintain, and troubleshoot network connectivity and infrastructure across multiple classified networks, partnering with NOSC to provide helpdesk support and maintain IA compliance.

The role includes LAN/WAN/VPN oversight, hardware configuration, and coordination with Navy/DISA and service providers. Expect shifts including evenings and weekends, with competitive benefits.