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From the employer's careers site First seen 28 Oct 2026

Network Engineer

GDIT Livermore, CA On-site senior full-time

Salary

$153,000 - $207,000 per year

Apply on GDIT

Description

Join GDIT as a Network Engineer and work with the largest government agency in the nation to advance the mission to keep our country safe and secure. You will design, implement, and maintain complex LAN/WAN infrastructures, including routing, switching, and secure VPN connectivity.

Responsibilities:

  • Display a comprehensive understanding of routing and switching protocols, including OSPF, BGP, and EIGRP, VLANs, Spanning Tree, Multicast, etc.
  • Have an in-depth understanding of Cisco IOS platforms and practical knowledge of networking topologies (LAN, WAN) and hands-on experience with IPSec VPNs.
  • Experience with network diagnostic, monitoring, and analysis tools (e.g., SolarWinds, Splunk, Ansible, Python).
  • Design, implement, and maintain complex LAN/WAN infrastructures, including routing, switching, and secure VPN connectivity.
  • Ensure network integrity, compliance with security policies (STIGS/NIST), and proper backup and recovery processes.
  • Responsible for installation, configuration, management, and troubleshooting of F5 BIG-IP systems.
  • Proven ability to analyze, diagnose, and resolve complex performance and connectivity issues.
  • Proven experience with Cisco Secure Firewalls (FTD/FMC), ISE, and 802.1x authentication.
  • Evaluate and integrate new communications technologies to enhance network performance, security, and scalability.
  • Responsible for creating network diagrams using Microsoft Visio.
  • Responsible for documenting network design and creating Standard Operating Procedures for installation and configuration of network devices.
  • Maintain current knowledge of evolving network and automation technologies.
  • Collaborate effectively with cross-functional teams and provide mentorship when needed.

Requirements:

  • 8+ years of related experience.
  • TS/SCI clearance with CI polygraph.
  • Education: BA/BS degree or equivalent work experience.
  • Certifications: DoD 8570.01, Cisco CCNP (active) required.

Desired Qualifications:

  • Knowledge of Cisco Catalyst and Cisco Nexus series switches.
  • Knowledge of F5 BIG-IP.
  • Knowledge of Cisco ISR Gen2 and ISR Gen3 routers.
  • Knowledge of Cisco Firepower 2100 series firewalls.

Benefits:

  • Comprehensive benefits and wellness packages.
  • 401K with company match.
  • Competitive pay and paid time off.
  • Full-flex work week.
  • Award-winning culture of innovation and a military-friendly workplace.

Skills

Required

  • Cisco IOS
  • Internet Protocol Security (IPsec)
  • Linux
  • Network Monitoring Tools
  • Routing and Switching

Nice to have

  • Cisco Catalyst
  • Cisco Nexus
  • F5 BIG-IP
  • Cisco ISR Gen2
  • Cisco ISR Gen3

Ready to apply?

You apply with the employer directly. Their original posting is here: https://gdit.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/USA-CA-Livermore/Senior-Network-Engineer_RQ230780-1

Apply on GDIT