Network Engineer, Senior

Job Description

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.

• 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.

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

Management & Security: Solar Winds, 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

• Disaster Recovery (DR), Network Engineering, Networking Topologies, Network Protocols
• Experience:
  
  7+ years of related experience
• US Citizenship
  
  Required:
  
  Yes

Location:

Fort Belvoir, VA, USA. Travel:
Less than 10%.

The salary range listed is $148,750 - $201,250. This range is not a guarantee and may be adjusted based on experience, location, and contractual requirements. Benefits and total rewards information is provided by the employer and may include medical plans, 401(k) with company match, paid time off, and other offerings as part of the Total Rewards package.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans