Senior Network Engineer – DoD Enterprise Networking

Agil3 Technology Solutions (A3T); Quantico (VA); On-site; USD 115,000 - 140,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401k with company match

Paid Holidays

PTO

Tuition and Professional Development

Job summary

Agil3 Technology Solutions LLC (A3T) seeks an experienced Senior Network Engineer to design, configure, and maintain enterprise LAN/WAN infrastructure for a DoD environment. The role requires CCNP certification, active DoD Secret clearance, and deep expertise in Cisco routing and switching.

The engineer will support IP addressing, VPNs, network monitoring, security hardening, and cross-functional collaboration with Cybersecurity, Cloud, and Systems teams.

Qualifications

• 8+ years of progressive network administration/engineering experience.
• Active DoD Secret clearance.
• CCNP certification.
• DoD 8140/DCWF Advanced proficiency (Work Role 441).
• Experience supporting complex enterprise LAN/WAN environments.
• Strong TCP/IP, routing, switching, VLANs, DNS, DHCP, VPNs knowledge.

Responsibilities

• Engineer, configure, administer, maintain, monitor, and troubleshoot enterprise LAN, WAN, and wireless network infrastructure.
• Configure and maintain Cisco network equipment and related management technologies.
• Manage IP addressing, VLANs, and network services; support IPAM.
• Coordinate with cybersecurity to remediate vulnerabilities and harden configurations.
• Maintain network diagrams, SOPs, and incident documentation.
• Provide Tier III escalation and mentoring to teams.

Skills

CCNP

Network engineering

TCP/IP

LAN/WAN

Cisco routing/switching

IPAM

Security best practices

DoD 8140/DCWF

Education

Bachelor's degree in IT or related field

Tools

Cisco IOS

SolarWinds

ISE

Cisco Catalyst

Job description

Agil3 Technology Solutions LLC (A3T) seeks an experienced Senior Network Engineer to design, configure, and maintain enterprise LAN/WAN infrastructure for a DoD environment. The role requires CCNP certification, active DoD Secret clearance, and deep expertise in Cisco routing and switching.

The engineer will support IP addressing, VPNs, network monitoring, security hardening, and cross-functional collaboration with Cybersecurity, Cloud, and Systems teams.