Network Engineer, Senior

About the role

Join GDIT and be a part of the team of men and women that solve some of the world’s most complex technical challenges. The Defense Threat Reduction Agency (DTRA) Defense Stockpile Management Systems (DSMS) support is searching for a Sr. Network Engineer to join their team in Fort Belvoir, VA. The Sr. Network Engineer is responsible for the design, implementation, maintenance, and security of enterprise LAN/WAN environments. This role ensures strict adherence to Department of War (DoW) cybersecurity and configuration-management standards, providing critical technical leadership, Operations & Maintenance (O&M), and continuous monitoring for mission-critical networks.

Responsibilities

• Install, configure, and maintain multi-vendor routing/switching platforms (Cisco), VPN concentrators, and F5 load balancers.
• Design and implement network topologies, managing complex routing protocols including OSPF, EIGRP, BGP, and MPLS.
• Apply DoW STIG/SRG requirements to all network devices to maintain IAVA/IAVM compliance.
• Perform verification across HBSS modules and utilize enterprise automation tools to deploy secure baselines.
• Responsible for ensuring 99.7% network uptime across critical and strategic enclaves, driving cybersecurity compliance through rigorous STIG/IAVA applications, and leading Network engineering initiatives during complex migrations, hardware refreshes, and network outages.
• Design, plan, and execute enterprise network migrations, topology updates, and hardware refreshes (Cisco, Palo Alto, etc).
• Develop and maintain comprehensive network diagrams, rack elevations, and disaster recovery plans.
• Monitors the network utilizing industry leading technologies.
• Provides innovative methods and technical solutions using the engineering design process.
• Coordinates LAN/WAN hardware/software improvements and/or enhancements.
• Performs maintenance and upgrade of networks including servers, routers, switches, firewalls, remote access systems, and networks.

Requirements

• BA/BS or equivalent work experience and 10+ years of networking engineering experience
• Work experience with Network Protocols: WAN|LAN, TCP|IP, VPN, IPS/IDS, SNMP, STP, NTP, OSPF, EIGRP, BGP, MPLS, H.323/MGCP, SIP, VRF, IEEE 802.1x|802.1q
• Work experience with Management & Security: SolarWinds, Remedy, Spectrum, Wireshark, ASDM, ASA, ISE, ESA, WSA, HBSS
• Certifications: CCNP Enterprise, CCNP Collaboration; CompTIA Security+ (Required for DoW 8570/8140 compliance)
• Security Clearance Required: Active Secret Clearance
• US Citizenship Required

Skills

• Disaster Recovery (DR)
• Network Engineering
• Networking Topologies
• Network Protocols

Benefits

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from and apply to solve real world problems
• Rest and recharge with paid vacation and holidays

Pay

The likely salary range for this position is $148,750 – $201,250. Salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Schedule

• Scheduled Weekly Hours: 40
• Travel Required: Less than 10%
• Telecommuting Options: Onsite
• Work Location: USA VA Fort Belvoir