Network Engineer, Senior
Listed on 2026-08-11
-
IT/Tech
Cybersecurity, Network Engineer, Systems Engineer
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Secret
Clearance Level Must Be Able to Obtain:
Top Secret
Public Trust/Other
Required:
None
Job Family: IT Infrastructure and Operations
Job Qualifications:
- Skills:
Disaster Recovery (DR), Network Engineering, Networking Topologies, Network Protocols
Certifications: - None
Experience: - 7 + years of related experience US Citizenship
Required: - Yes
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 uptimeacross critical and strategic enclaves, driving cybersecurity compliance through rigorous STIG/IAVA applications, and leading Network engineering intiatives 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
- Rewards:
Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do.
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 $148,750 - $201,250. 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%
Telecommuting Options:
Onsite
Work Location:
USA VA Fort Belvoir
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,…
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