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General Dynamics Information Technology

engineering opportunity

Senior Network Engineer - TS/SCI with Polygraph

The Network Engineer will coordinate system maintenance, monitoring, and installation activities across diverse WAN/LAN environments. They will also troubleshoot and resolve network issues while developing and maintaining technical roadmaps for network capabilities.

Springfield, Virginia, United StatesonsiteFULL_TIME

Posted

About the role

What will you do at General Dynamics Information Technology?

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret

SCI + Polygraph 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: Cisco, CISSP, Local Area Network (LAN),
  • Transport Technologies, WAN Networking Certifications: None Experience: 8 +
  • years of related experience US Citizenship Required: Yes

Job Description

Location: Springfield, VA (Customer Site) Travel: Approximately 25% Clearance:

Active TS/SCI with ability to obtain a Polygraph Citizenship: US Citizenship

Required GDIT has an exciting and challenging opportunity 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 this

role, you will support new engineering initiatives, lead efforts around network

modernization, and ensure the sustained operation of mission‑critical

infrastructure.

Responsibilities

  • Coordinate system maintenance, monitoring, and
  • installation activities across diverse WAN/LAN environments and technologies.
  • Research, recommend, and implement enterprise network capabilities and
  • enhancements aligned with mission and business objectives. Troubleshoot and
  • resolve issues with network media, components, and connectivity. Evaluate and
  • monitor network health, performance, and hardware/software effectiveness.
  • Develop and maintain technical roadmaps for network capabilities, operations,
  • and technologies. Create and execute detailed test plans and documentation for
  • all network configuration changes, upgrades, and additions. Support network
  • traffic analysis and bandwidth optimization to meet performance and availability
  • targets. Assess and provide recommendations on emerging network and
  • communication technologies. Recommend upgrades and changes aligned with industry
  • standards and best practices. Adhere to all customer network security policies,
  • procedures, and compliance requirements. Represent customer requirements and
  • priorities during technical exchanges with partner agencies. Conduct site
  • surveys for new installations and technology refresh initiatives. Install,
  • maintain, and troubleshoot satellite communications equipment. Create and
  • maintain network architecture diagrams. Required

Qualifications

  • Active TS/SCI
  • clearance with ability to obtain a Polygraph BS degree or equivalent experience
  • 8+ years of hands-on experience with network and transport technologies, tools,
  • and techniques 4+ years supporting large-scale enterprise or global networks in
  • a fast‑paced, diverse environment Active 8570/8140 Approved IAT II certification
  • required Working knowledge of DoD Architecture Framework and related DoW network
  • architecture guidance Experience with Juniper network devices (MX, EX, SRX) and
  • cryptographic devices (KG‑175G/X, KG‑245A/X) Proficiency with network analysis
  • tools (HP/Microfocus NA/NNM, Juniper Secure Analytics, Infoblox, Riverbed)
  • Experience with Juniper firewall/VPN technologies (SRX series) Experience
  • supporting IP services for NIPRNET, SIPRNET, and JWICS (IPv4/IPv6, VPN,
  • Multicast, QoS, SDN, SNMP, VOIP, VTC, etc.) Strong understanding of OSPF, BGP,
  • MPLS, RSVP/LDP Layer 2/3 VPNs, VRFs, IKE/IPSec, GRE tunnels, MTU, FTP, and
  • routing policy frameworks Desired

Qualifications

  • Master’s degree in Computer
  • Science or related field Professional certifications such as JNCIA, JNCIS,
  • JNCIP, CCNP, CCVP, CCNA, or CCDP ITIL v3 Foundations ISC2 CISSP The likely
  • salary range for this position is $111,155 - $150,385. 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: 10-25%
  • Telecommuting Options: Onsite Work Location: USA VA Springfield Additional Work
  • Locations: USA MO St. Louis 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 to ensure authenticity and protect against identity
  • fraud. You are expected to be on camera during virtual interviews. We reserve
  • the right to take your picture to verify your identity and prevent fraud. By
  • proceeding, you authorize the collection, processing, and use of your biometric
  • data for identity verification and security purposes. About Our Work: We are
  • GDIT. A global technology and professional services company that delivers
  • technology solutions and mission services to every major agency across the U.S.
  • government, defense and intelligence community. Our 26,000 experts extract the
  • power of technology to create immediate value and deliver solutions at the edge
  • of innovation. We operate across 50+ countries worldwide, offering leading
  • mission-ready capabilities in AI, cloud, cyber and software development. Join
  • our Talent Community to stay up to date on our career opportunities and events
  • at gdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities /
  • Protected Veterans Opportunity Owned From working with technologies like AI,
  • cyber and cloud to careers in intelligence and health, we offer endless
  • opportunities to apply your expertise to create a safer, smarter world. For more
  • information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT

Which skills does this role require?

CiscoCISSPLocal Area NetworkTransport TechnologiesWAN NetworkingNetwork Analysis ToolsJuniper Network DevicesIP ServicesOSPFBGPMPLSVPN TechnologiesNetwork Traffic AnalysisBandwidth OptimizationNetwork SecurityTechnical DocumentationNetwork EngineerTS/SCI ClearanceWANLANCANNetwork ModernizationNetwork MonitoringNetwork TroubleshootingTechnical RoadmapsNetwork ConfigurationNetwork HealthPerformance MonitoringEmerging TechnologiesDoD Architecture FrameworkJuniperProduct Strategy

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