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 SecurityCertifications: NoneExperience: 10 + years of related experienceUS 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.

Preferred

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

Location & Travel Remote 25%-50% Travel Expected The likely salary range for this position is $164,382 - $215,050. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: 25-50% Telecommuting Options: Remote Work Location: Any Location / Remote Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 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. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee’s date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as 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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans