Software Engineer

Leidos•San Diego, CA

3d•$69,550 - $125,725•Onsite

About The Position

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.

Requirements

U.S. Citizen with the ability to obtain a SECRET security clearance.
Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related STEM field and 2–4 years of relevant experience; or a Master’s degree with 0–2 years of experience.
Professional software development experience with proficiency in C# (.NET Framework).
Working knowledge of C/C++ for hardware-focused or embedded applications.
Proven experience with multithreading and asynchronous programming.
Experience developing software interfaces for hardware such as DAQ systems, sensors, actuators, or custom test equipment.
Familiarity with communication protocols including Serial/RS232, I2C, SPI, or Ethernet/TCP-IP.
Competence with standard laboratory equipment (oscilloscopes, DMMs, power supplies).
A proactive, hands-on troubleshooting approach—comfortable transitioning between IDEs, lab benches, and field environments.
Ability to translate complex technical challenges into clear requirements and communicate solutions to both technical and non-technical stakeholders.

Nice To Haves

Active SECRET security clearance.
Experience developing tools for data collection, automation, or system monitoring.
Experience with Python and scientific/analysis libraries such as NumPy, SciPy, and Pandas.
Experience developing desktop GUI applications (e.g., WPF, WinForms).
Familiarity with Git-based version control workflows.
Experience using advanced electronic test equipment such as spectrum analyzers and oscilloscopes.

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 sensor technologies.
Identify opportunities to adopt and integrate new technologies that improve software development workflows, testing capabilities, and automation.
Support laboratory and field testing of deliverable systems, including troubleshooting, validation, and data analysis.
Conduct periodic at-sea testing aboard small vessels and assist with post‑processing and interpretation of collected data.