Infrastructure / Network SME

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Automation Tools, Cloud Networking, Enterprise Network, Network Segmentation, System Security Certifications: None Experience: 10 + years of related experience US Citizenship Required: Yes Job Description: 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

How You’ll Make an Impact 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

What You’ll Need to Succeed Required Education: Technical Training, Certification(s) or Degree and 10+ years of experience • Work 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