Network Engineer, Senior Principal

Transform technology into opportunity as a Network Engineer pe what’s next for mission-critical government projects while shaping what’s next for your engineering career.

As a Network Engineer, the work you’ll do at GDIT will be impactful to the mission of supporting national security, defense operations, and critical infrastructure protection. You will play a crucial role in designing, securing, and maintaining resilient network architectures that enable uninterrupted communication, real-time data sharing, and mission‑critical system availability, ensuring that operational objectives are achieved efficiently and securely in dynamic and high‑stakes environments.

• Design and architect scalable, secure voice, video, wireless, and data communication networks
• Lead development of high‑level and low‑level network designs (HLD/LLD)
• Deploy and integrate Cisco‑based enterprise and data center solutions
• Configure and support advanced technologies including BGP, OSPF, EIGRP, MPLS, VXLAN, and EVPN
• Serve as a trusted technical advisor to stakeholders and senior leadership
• Translate complex technical requirements into actionable strategies and architectures
• Collaborate across multiple technical disciplines including security, cloud, and Dev Ops
• Operate effectively in a fast‑paced environment managing competing priorities
• Troubleshoot and resolve complex network issues and perform root cause analysis
• Identify and implement performance, reliability, and security improvements. Develop automation solutions using Python, Ansible, or similar tools

Bring your engineering expertise along with a drive for innovation to GDIT. The Network Engineer Sr Principal must have:

• Education:
  
  Bachelor of Arts/Bachelor of Science (or equivalent experience)
• Experience:
  
  10+ years of related experience

• Routing & switching (BGP, OSPF, EIGRP)
• LAN/WAN architecture and deployment
• Network monitoring and performance tools (Solar Winds, Net Flow, Wireshark)
• Firewalls, VPNs, QoS, load balancers
• Cisco platforms (Catalyst, Nexus, NGFW, ACI, Meraki)

Required CCNP/CCNA with equivalent expert level experience

Cisco CCIE (preferred)

• SDN, Cisco Catalyst Center, ISE, Intersight
• Cloud networking (AWS, Azure, GCP)
• Network automation (Python, REST APIs, Ansible, Terraform)
• Zero Trust principles and security best practices
• Data center technologies (VXLAN, EVPN, ACI)

Security clearance level: TS/SCI
US citizenship required

• Strong communication and presentation skills
• Ability to engage with senior leadership and influence decisions
• Advanced problem‑solving and analytical skills

Location:

On Customer Site

GDIT IS YOUR PLACE. At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI‑powered career tool that identifies career steps and learning opportunities
• Support:
  An internal mobility team focused on helping you achieve your career goals
• Rewards:
  Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community:
  Award‑winning culture of innovation and a military‑friendly workplace