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Senior Network Administrator - TS/SCI with Polygraph

General Dynamics Information Technology

Company : General Dynamics Information Technology

Location : Washington, DC, 20599

Posted Date : 14 October 2025

Job Type : Other

Category : IT Operations & Helpdesk

Occupation : Network Administrator

Job Details

Network Administrator

Transform technology into opportunity with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Network Administrator, you will help ensure today is safe and tomorrow is smarter.

HOW A NETWORK ADMINISTRATOR WILL MAKE AN IMPACT:

  • Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system.
  • Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability.
  • May monitor and test Web site performance to ensure Web sites operate correctly and without interruption.
  • May assist in network modeling, analysis, planning, and coordination between network and data communications hardware and software.
  • May supervise computer user support specialists and computer network support specialists.
  • May administer network security measures to include firewall administration/management.

WHAT YOU'LL NEED TO SUCCEED:

  • Required Education and Experience: Technical Training, Certification(s) or Degree + 6 years experience
  • DoD Approved Baseline 8570/8140 IAT Level II (Sec+, CySA+, CND, or CCNA-Security) certification required prior to start date.
  • Security Clearance Level: TS/SCI clearance and ability to obtain and maintain a CI Polygraph
  • Location: On Customer Site

Scheduled Weekly Hours: 40

Travel Required: None

Telecommuting Options: Onsite

Work Location: USA DC Washington

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.

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