Senior Network Engineer - DoD Enterprise WAN/LAN (CCNP)

Agil3 Technology Solutions (A3T); Quantico Base (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 (short/long-term)

401k with company match

Paid Holidays

Paid Time Off

Tuition assistance

Parking/Travel Reimbursement

Job summary

Agil3 Technology Solutions LLC (A3T) is seeking a Senior Network Engineer to design, implement, and sustain enterprise LAN/WAN for U.S. Government IT environments, including DISA, with CCNP and DoD 8140 alignment.

The role spans Cisco equipment, IPAM, security hardening, and collaboration with cyber, cloud, and systems teams across dispersed locations. The position requires 8+ years of experience, active DoD Secret clearance, and expertise in network design, troubleshooting, and documentation.

Qualifications

• 8+ years of progressive network administration/engineering experience.
• Active DoD Secret clearance.
• CCNP certification.
• DoD 8140/DCWF requirements met for Advanced level.
• Experience with enterprise LAN/WAN networks.

Responsibilities

• Engineer, configure, maintain, monitor, and troubleshoot enterprise LAN/WAN and wireless networks.
• Configure Cisco equipment and network-management tech.
• Manage IP addressing, VLANs, and connectivity to cloud and on-prem resources.
• Support DISA/circuit connectivity and coordinate with external providers.
• Open and resolve technical support cases with Cisco TAC and vendors.
• Perform root-cause analysis for outages and optimize performance.
• Ensure secure configurations and apply cybersecurity hardening.
• Maintain current network diagrams, SOPs, and documentation.

Skills

LAN/WAN design

Cisco routing & switching

CCNP certification

DoD security compliance

Network monitoring

IP addressing/VLANs

Troubleshooting complex networks

Root-cause analysis

Documentation

Team collaboration

Education

Bachelor’s degree in IT/CS/Engineering

Tools

Cisco IOS/IOS-XE

IPAM tooling

SolarWinds

Windows/Linux administration

Job description

Agil3 Technology Solutions LLC (A3T) is seeking a Senior Network Engineer to design, implement, and sustain enterprise LAN/WAN for U.S. Government IT environments, including DISA, with CCNP and DoD 8140 alignment.

The role spans Cisco equipment, IPAM, security hardening, and collaboration with cyber, cloud, and systems teams across dispersed locations. The position requires 8+ years of experience, active DoD Secret clearance, and expertise in network design, troubleshooting, and documentation.