Sr. Network Engineer

GD Information Technology • Newington, CT

7d • Onsite

About The Position

Transform technology into opportunity as a Network Engineer at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT 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 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 WHAT YOU’LL NEED TO SUCCEED 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 Technical 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) 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) Security clearance level: TS/SCI US citizenship required Role requirements: 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 OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. #gditpriority #armajobs The likely salary range for this position is $142,792 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: Less than 10% T elecommuting Options: Onsite Work Location: USA VA Newington Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc . Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Requirements

• Bachelor of Arts/Bachelor of Science (or equivalent experience)
• 10+ years of related experience
• 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)
• TS/SCI Security clearance level
• US citizenship required
• Strong communication and presentation skills
• Ability to engage with senior leadership and influence decisions
• Advanced problem-solving and analytical skills

Nice To Haves

• 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)

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

Benefits

• Comprehensive benefits and wellness packages
• 401K with company match
• Competitive pay and paid time off
• Full flex work weeks where possible
• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees