Network Engineer, Senior

General Dynamics IT; United States; On-site; USD 149,000 - 201,000; Full time

Benefits offered by this job

401K match

Health and wellness packages

Career growth / Internal mobility team

Paid education and certifications

Paid time off (vacation, holidays)

Job summary

General Dynamics IT is seeking a Sr. Network Engineer to design, implement, and secure enterprise LAN/WAN environments in support of DTRA DSMS at Fort Belvoir, VA. You will lead cybersecurity compliance, O&M, and complex migrations with DoW standards, monitoring, and disaster recovery planning.

The role requires 10+ years of networking experience, active Secret clearance, and DoD certifications; VPN, routing protocols, and multi-vendor environments are core parts of daily work.

Qualifications

• BA/BS or equivalent work experience.
• 10+ years of networking engineering experience.
• Active Secret Clearance; Top Secret/SSBI eligibility requested.
• CCNP Enterprise and CCNP Collaboration or equivalent
• CompTIA Security+ (DoW 8570/8140 compliance) or equivalent

Responsibilities

• Install, configure, and maintain multi-vendor routing/switching platforms (Cisco) and VPNs.
• Apply DoW STIG/SRG requirements and verify HBSS modules.
• Ensure 99.7% network uptime across critical enclaves; drive cybersecurity compliance.
• Design and execute enterprise network migrations, topology updates, and hardware refreshes.
• Monitor networks and coordinate LAN/WAN improvements and enhancements.

Skills

Disaster Recovery

Network Engineering

Networking Topologies

Network Protocols

Education

BA/BS or equivalent work experience

Tools

SolarWinds

Remedy

Spectrum

Wireshark

ASDM

ASA

ISE

ESA

WSA

HBSS

Job description

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: CompTIA Security+ CE | CompTIA - CompTIA Experience: 10 + 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.

WHAT YOU WILL DO:

• 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 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

WHAT YOU WILL NEED:

• 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

GDIT IS YOUR PLACE :

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

#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%

T elecommuting 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, 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.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence