Quantico On-Site Senior Network Engineer (Secret Clearance)

ECS Corporate Services; Quantico (VA); On-site; USD 120,000 - 150,000; Full time

Job summary

Everforth ECS seeks a Senior Network Engineer to design, implement, and troubleshoot the enterprise network, server, virtualization, and supporting infrastructure at the Quantico, VA office.

This hands-on role emphasizes switching, firewalls, DNS, VPNs, and performance monitoring, and requires collaboration with cybersecurity, development, and database teams.

Salary ranges from $120,000 to $150,000 and on-site work at MCB Quantico is expected.

Qualifications

• 5+ years in network or infrastructure engineering.
• Strong enterprise networking knowledge (TCP/IP, VPNs, DNS, VLANs).
• Bachelor's degree in IT/CS/Engineering or equivalent.
• US citizenship and ability to obtain Secret clearance; DoD 8140 cert within 90 days.

Responsibilities

• Design, administer, maintain, and troubleshoot enterprise network and infrastructure.
• Manage switching, routing, VLANs, DNS, NAT, VPNs, and firewall policies.
• Support Windows Server infrastructure and AD services.
• Diagnose complex issues across physical, network, virtualization, OS, and application layers.
• Maintain virtualization, storage, backup, logging, monitoring.
• Perform datacenter rack/stack, cabling, firmware upgrades, and hardware replacement.
• Contribute to documentation and SOPs; support cybersecurity requirements.

Skills

TCP/IP

Routing & Switching

VPNs

DNS

Network Troubleshooting

Windows Server

Education

Bachelor's degree in IT/CS/Engineering

Tools

Active Directory

Windows Server

Job description

Everforth ECS seeks a Senior Network Engineer to design, implement, and troubleshoot the enterprise network, server, virtualization, and supporting infrastructure at the Quantico, VA office.

This hands-on role emphasizes switching, firewalls, DNS, VPNs, and performance monitoring, and requires collaboration with cybersecurity, development, and database teams.

Salary ranges from $120,000 to $150,000 and on-site work at MCB Quantico is expected.