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Network Engineer, Sr

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 104550 - 141450 USD Yearly USD 104550.00 141450.00 YEAR
Job Description & How to Apply Below
Position: Network Engineer, Sr.

Overview

Type of Requisition: Regular

Clearance Level Must Currently Possess: Top Secret/SCI

Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph

Public Trust/Other

Required:

None

Job Family: IT Infrastructure and Operations

Job Qualifications:

Skills: Juniper, LAN Infrastructure, WAN Support

Certifications: None

Experience: 8+ years of related experience

US Citizenship

Required:

Yes

Job Description

GDIT has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer’s wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains in Springfield, VA.

Focus will be on Network Engineering, new project requirements, and operation and sustainment of existing infrastructure. This position does require at least 25% travel.

  • Coordination of system maintenance, monitoring and installation of multiple WAN/LAN environments encompassing multiple specializations, platforms and technologies.
  • Assist with research and implementation of enterprise system-wide network solutions/capabilities/enhancements to support customer business/mission goals and objectives.
  • Troubleshoot and resolve network media and components.
  • Evaluate and monitor health and performance of the network including hardware and management software.
  • Develop and maintain a road map for capabilities, operations, and technologies.
  • Assist with development and execution of test plans and supporting documentation of all network configuration upgrades, additions or revisions for customer approval before implementation.
  • Support network traffic analysis and bandwidth optimization efforts to ensure attainment of performance and availability objectives.
  • Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network.
  • Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices.
  • Follows all Customer network security processes and procedures, ensures compliance with all Government policies.
  • Represent customer requirements in technical exchanges with other government agencies.
  • Perform site surveys to new installations and technology refresh.
  • Installs, maintains and troubleshoots satellite communications equipment.
  • Develop and maintain network architecture diagrams.
Qualifications
  • Security Clearance: active TS/SCI
  • 8+ years related technical experience in Network and Transport technologies, tools, and techniques
  • 4+ years’ experience with large-scale enterprise/global networks in a high paced diverse environment
  • Understanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions
  • Experience with Juniper, switches, routers, and firewalls (MX, EX, SRX devices);
    Cryptographic devices (KG-175G/X, KG-245A/X)
  • Experience with Network analysis tools (HP/Microfocus Network Automation and Network Node Manager, Juniper Secure Analytics, Infoblox, Riverbed)
  • Experience with Juniper firewall/VPN equipment (SRX series)
  • Experience with supporting IP services to connect to NIPRNET, SIPRNET and JWICS (IPv4, VPN, IPv6, Multicast, QoS, SDN, SNMP, VOIP, VTC, etc)
  • Experience with OSPF, BGP, MPLS, RSVP/LDP L2/3

    VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU, FTP, Import/Export policies
  • Certifications:

    IAT II
Desired
  • Master’s degree in Computer Science or related field
  • JNCIA, JNCIS, JNCIP, CISCO CCNP, CCVP, CCNA or CCDP (or equivalent)
  • ITIL v3 Foundations
  • ISC2 CISSP
  • CompTIA Security+

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.

The likely salary range for this position is $104,550 - $141,450. 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.

Additional Details

Scheduled Weekly

Hours:

40

Travel Required: 25-50%

Telecommuting Options: Onsite

Work Location: USA VA Springfield

Additional Work Locations:

Total Rewards at GDIT: Our benefits package for all US-based employees includes medical, dental, vision, and a 401(k) plan with company match, paid time off, disability and life insurance, and other programs. We offer flexible work weeks where possible and other leave benefits. We are a global technology and professional services company delivering solutions to government and intelligence clients. Join our Talent Community to stay updated on career opportunities.

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