Network Engineer, Senior Principal

About the role

As a Network Engineer at GDIT, the work you'll do 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.

Responsibilities

• 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 DevOps
• 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

Qualifications

• Education: Bachelor of Arts/Bachelor of Science (or equivalent experience)
• Experience: 10+ years of related experience
• Security clearance: TS/SCI required
• US citizenship required

Required skills

• Routing & switching (BGP, OSPF, EIGRP)
• LAN/WAN architecture and deployment
• Network monitoring and performance tools (SolarWinds, NetFlow, Wireshark)
• Firewalls, VPNs, QoS, load balancers
• Cisco platforms (Catalyst, Nexus, NGFW, ACI, Meraki)
• CCNP/CCNA with equivalent expert level experience (Cisco CCIE preferred)

Preferred skills

• 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)

Role requirements

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

Pay

The likely salary range for this position is $142,792 - $172,500.

Schedule

40 hours per week, on-site, with less than 10% travel required.

Benefits

• Medical plan options, some with Health Savings Accounts
• Dental plan options
• Vision plan
• 401(k) plan with company match
• Full flex work weeks where possible
• Paid time off including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance