Network Engineer - TS/SCI with Polygraph

General Dynamics Information Technology•McLean, VA
•Onsite

About The Position

GDIT is hiring a Network Engineer Principal to plan, design, develop, test, and deploy IT solutions supporting a Sponsor’s mission. The role includes evaluating commercial and government-off-the-shelf products for design feasibility; installing, maintaining, and upgrading desktop, server, and network hardware and software; managing hardware inventory and software licenses; and performing Accreditation and Authorization duties, including scanning, documentation, and engineering mitigations for security findings. The engineer will develop system requirements and designs, prototype products and proofs of concept, support integration and implementation, and test and validate infrastructure components, applications, and end-to-end systems. The position is based onsite at the customer location in McLean, Virginia. It requires U.S. citizenship and an active TS/SCI clearance with polygraph. The schedule is 40 hours per week, with less than 10% travel required.

Requirements

  • At least 8 years of related experience.
  • Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or an equivalent combination of education, technical certifications or training, or work experience.
  • U.S. citizenship.
  • Must currently possess a TS/SCI clearance with polygraph.
  • Demonstrated experience supporting Microsoft Server 2021/2016, System Center 2012/2016, Windows 10, Domino 9, and Splunk.
  • Demonstrated experience supporting Cisco networking and encryption, network architecture, AWS architecture, and system design.
  • Demonstrated experience supporting Nutanix hardware and HP server and workstation hardware.
  • Demonstrated experience and understanding of ICD 503 and 705.

Nice To Haves

  • Experience planning, designing, developing, testing, and deploying IT solutions within the Sponsor’s mission areas.
  • Experience managing hardware inventory or software licenses.
  • Experience researching or analyzing vendor products to determine design or implementation feasibility on networks.
  • Experience testing and validating infrastructure components, applications, and end-to-end systems within the Sponsor’s mission areas.

Responsibilities

  • Plan, design, develop, test, and deploy IT solutions within the Sponsor’s mission.
  • Research and analyze COTS and GOTS vendor products to determine design or application feasibility.
  • Install, maintain, and upgrade desktop, server, and network hardware and software.
  • Manage software licenses and hardware inventory.
  • Perform Accreditation and Authorization duties, including scanning, preparing documentation, and engineering mitigations for security findings.
  • Develop and derive system requirements and system designs, and create product prototypes and proofs of concept.
  • Support system integration and implementation.
  • Test and validate infrastructure components, applications, and end-to-end systems.

Benefits

  • 401(k) with company match
  • Comprehensive health and wellness packages, including medical, dental, and vision plan options
  • Professional growth opportunities, including paid education and certifications
  • Paid vacation and holidays
  • Paid time off plans that include vacation, sick, and personal time
  • Paid parental, military, bereavement, and jury duty leave
  • Short- and long-term disability benefits
  • Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service