Principal Network Engineer - Arlington, VA

Clearance Level
Network Engineering
Arlington, Virginia

REQ#: RQ118432

Travel Required: Less than 10%
Requisition Type: Regular

GDIT is seeking a Principal Network Engineer at the Pentagon to ensure the stability, integrity, and availability of the networking infrastructure and associated services within the Pentagon and surrounding locations. This position will support DISA Joint Service Provider on the Enterprise Transport Management (ETM) program.

Shift: Tuesday to Saturday 22:00 to 06:30am or Tuesday to Saturday 06:00 to 14:30pm

The Principal Network Engineer is responsible for the design and development of voice, video, radio-frequency, and/or data communications networks.

Job duties may include but are not limited to:

  • Configure and install various network devices and services

  • Monitor network performance and resource utilization, trending, capacity planning

  • Use of current and emergent network design principles and protocols

  • Analyze voice, video, radio-frequency, and/or data communications networks, including planning, designing, evaluating, selecting, and upgrading operating systems and protocol suites and configuring communication media with concentrators, bridges, and other devices

  • Plan network layouts and configure systems to user environments

  • Analyze network topologies and traffic and capacity requirements

  • Support the acquisition of hardware and software as well as subcontractor services as needed

  • May provide technical support and troubleshooting to users

  • May perform network administration duties

  • Provide guidance and work leadership to less-experienced network personnel

  • Maintain current knowledge of relevant technology as assigned.


  • Active Secret clearance

  • Certification requirement for DoD 8570 Level II certification

  • CCNA certification

  • Bachelor’s degree in Information Systems, Engineering or Equivalent. Work experience can be considered in lieu of degree

  • 10+ years of experience including: 5+ years of operating, troubleshooting, installing network routers and switches and designing, architecting routed and switched networks, 2+ years as senior or lead engineer in planning, designing, and building software defined networks, 3+ years in DoD environment

  • Must have hands-on experience/knowledge with Aruba networking systems

  • Experience with network virtualization technologies

  • Experience with multi-tenant network architectures

  • Familiarity with a width variety network routing and switching equipment devices from multiple vendors

  • Scripting languages such as Pearl, Python, coding for network threshold events.


  • Master’s degree


About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.