Infrastructure / Network SME

General Dynamics Information Technology

1d•$164,382 - $215,050•Remote

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.