Senior Network Engineer

Location: Ft. Meade, MD | Team: Defense Enclave Services (DES) | Remote: Yes | Posted: October 22, 2026

About the role

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD. The DES program is a highly demanding mission and requires expert technical and professional management to support DISA's enterprise Information Technology (IT) services. You will be supporting a large and complex IT discovery, design, and migration effort aimed at consolidating Department of Defense (DOD) IT services into single service provider model. This role will include discovery, analysis, design, and network migration activities necessary to move a host of DoD agencies into the modernized DoDNet environment.

Responsibilities

• Plan and design secure network solutions to consolidate connectivity services under an enterprise service.
• Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and unique requirements to develop a design and architecture leveraging approved design patterns.
• Design secure wide area connectivity inclusive of underlay, overlay, and COI transport design that supports performance, quality of service, security, and mission requirements.
• Provide secure access solutions leveraging wired and wireless technologies, integrating standards, use cases/scenarios, and develop associated implementation and transition plans.
• Integrate capacity planning and scaling of network and security stack environments into the overall design of solutions.
• Collect, investigate