**Description**

The Undersea Systems Division (USD) at Leidos is seeking a Software Engineer to join a fast-paced, highly collaborative team developing and rapidly prototyping advanced ocean technologies. In this role, you will work closely with a multidisciplinary group of engineers to design custom software tools, integrate new technologies, and support hands-on testing of mission-critical sensor systems. Our projects span the full development lifecycle—from concept exploration and iterative design to lab evaluation and at-sea demonstrations.

This role is performed fully on-site at NIWC PAC Bayside in San Diego, CA, and follows a 9/80B schedule aligned with customer operations.

**Primary Responsibilities**

+ Lead the development and maintenance of software tools that support testing and evaluation of mission-critical undersea sensor systems.
+ Collaborate with cross-functional engineering teams to design, integrate, and assess new and emerging s...