Infrastructure / Network SME

General Dynamics Information Technology
$164,382 - $215,050Remote

About The Position

GDIT is seeking an Infrastructure / Network Subject Matter Expert (SME) to design, modernize, and optimize network and infrastructure solutions supporting large‑scale Defense missions. You will serve as a senior technical advisor helping shape resilient, secure, high‑performance environments across cloud and on‑prem platforms.

Requirements

  • Technical Training, Certification(s) or Degree and 10+ years of experience
  • 10+ years deep experience with enterprise networking (routing, switching, firewalls, load balancing).
  • Strong understanding of cloud networking (AWS, Azure, hybrid architectures).
  • Hands‑on experience with Cisco, Juniper, Palo Alto, F5, or similar technologies.
  • Familiarity with DoD or federal security frameworks (RMF, STIGs).
  • Strong troubleshooting and diagnostic skills across network layers.
  • Ability to communicate complex infrastructure concepts clearly to both technical and non‑technical audiences.
  • US Citizenship Required
  • Candidate must possess active SECRET clearance and ability to attain TOP SECRET / SCI.

Nice To Haves

  • CCNP/CCIE, CASP, Network+, or related certifications.
  • Experience supporting large modernization or cloud transformation initiatives.
  • Experience with automation tools (Ansible, Terraform).

Responsibilities

  • Design, architect, and optimize enterprise network and infrastructure solutions.
  • Lead modernization efforts such as cloud migration, network segmentation, and Zero Trust implementation.
  • Provide troubleshooting expertise for complex networking, routing, and performance challenges.
  • Work with security teams to ensure compliance with DoD cybersecurity frameworks and accreditation requirements.
  • Develop architecture diagrams, technical plans, and configuration standards.
  • Advise leaders and program teams on infrastructure strategy, capacity planning, and lifecycle management.

Benefits

  • Variety of medical plan options, some with Health Savings Accounts
  • Dental plan options
  • Vision plan
  • 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.
  • Full flex work weeks where possible
  • Variety of paid time off plans, including vacation, sick and personal time, holidays
  • Paid parental, military, bereavement and jury duty leave.
  • 15 days of paid leave per calendar year to be used for vacations, personal business, and illness
  • 10 paid holidays per year
  • Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees.
  • 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.
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