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Network Engineer Principal _TS​/SCI Polygraph

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: General Dynamics Corporation
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-03-04
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Network Engineer Principal _TS/SCI with Polygraph

Network Engineer Principal _TS/SCI with Polygraph

Location: USA VA Chantilly
Full/Part Time: Full time
Job Req: RQ215608
Type of Requisition: Regular
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 Description: NETWORK ENGINEER PRINCIPAL
Transform technology into opportunity as a Network Engineer Principal pe what's next for mission‑critical government projects while shaping what's next for your engineering career.

Responsibilities
  • Analyzes customer requirements and provides technical solutions to a wide range of difficult problems.
  • Performs Radio Frequency site surveys, analyzes network performance, configures access points/controllers, and troubleshoots connectivity issues. Key requirements include expertise in 802.11 standards, Cisco/Aruba, or Bastille hardware.
  • Plans, designs, and deploys network infrastructure (routers, switches, firewalls, load balancers, and wireless devices).
  • Has strong understanding of networking protocols (TCP/IP, OSPF, BGP), VLANs, DNS, and OSI models.
  • Understands Risk Management Frame process to support IA team with Authority To Operate activities.
  • Performs maintenance and upgrade of networks including servers, routers, switches, firewalls, remote access systems, and networks. Is well‑versed in a multi‑vendor environment for layer 2/3 switching and routing protocols (e.g., OSPF, BGP), network management solutions, and virtual and cloud‑hosted networking technologies.
  • Installs, configures, and maintains entire physical networking Wireless Intrusion Detection System (WIDS) infrastructure. Oversees the WIDS implementation, System Development Life Cycle (SDLC), and system/network administration activities.
  • Operations & Maintenance include system administration, information assurance, and storage management for all WIDS architectures. Analyzes network performance, resolves, and provides Tier‑2/Tier‑3 support for network and WIDS incidents.
  • Maintains network integrity and connectivity while ensuring compliance with policies and maintaining system backup and recovery capability.
  • Must utilize network monitoring applications for traffic, access, and performance across the entire network. Ensures network reliability through continuous monitoring, proactive maintenance, and system upgrades.
  • Creates and updates technical documentation for network configuration, topology, and mapping.
  • Provides recommendations regarding operating system dependencies, physical and virtual server environments, integration with infrastructure resources (e.g., storage and networking), and how to configure operating systems and applications efficiently.
  • Coordinates the acquisition of hardware and software as well as subcontractor services as needed.
  • Evaluates new network solutions, capabilities, and technologies to enhance network capabilities.
  • Serves as subject‑matter expert to elevate all IT issues to leadership.
  • Participates in special projects as required.
Qualifications
  • Education:

    Bachelor of Arts / Bachelor of Science
  • Experience:

    8+ years of related experience
  • Technical skills:
    Westfields experience, Wireless Intrusion Detection System (WIDS) implementation, System Development Life Cycle, system/network administration activities, Windows and Linux system experience required.
  • Security clearance level: TS/SCI with polygraph
  • US citizenship required
  • Role requirements:

    Onsite client and travel required
Other Details

Scheduled Weekly

Hours:

40

Travel Required:

25-50%
Telecommuting Options:
Onsite

Work Location:

USA VA Chantilly

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