Enter a job title or keyword

Software Engineer I

Leidos


Job Location:

San Diego, CA - USA

Yearly Salary: USD 57850 - 104575
Posted: 25 September 2026 (Yesterday)
Application Deadline: 23 December 2026
Vacancies: 1 Vacancy

Job Summary

The Undersea Systems Division at Leidos currently has an opening for a Software Engineer I in San Diego CA. Candidate will join a fast-paced engineering group rapidly prototyping a variety of ocean systems. Collaborate across our medium-sized team holding complete technical responsibility for custom development and prototyping across many technical disciplines. Team prototyping efforts span from real-world problem-solving all the way through concept development followed by iterative design and testing and conclude with product demonstrations. Ideal candidates will bring deep experience in firmware and software design and design processes.


Join us and be part of a world-class team delivering unmatched solutions for todays most pressing maritime missions.


This position will require the candidate to maintain a Secret Clearance.


This position will require the candidate to work an onsite 9/80B schedule (80 hours of work into nine days over a two-week period allowing for every other Friday off) to align with the NIWC government team.


Primary Responsibilities:


Collaborate with a small engineering team and customers to identify software requirements and evaluate candidate design approaches for solving wide-ranging technical problems.

Work directly with customers to understand mission needs translate operational objectives into technical requirements demonstrate software capabilities and incorporate feedback throughout development.

Design and develop maintainable robust and performant software applications services data pipelines and user interfaces.

Develop Python-based software for data processing analytics hardware integration automation and test applications.

Build and integrate web-based and desktop user interfaces that enable users to configure systems visualize data and monitor operational performance.

Implement test integrate and verify that software solutions satisfy project and customer requirements for functionality reliability performance and usability.

Develop and maintain engineering documentation interface control documents software requirements specifications test procedures and user documentation.

Communicate regularly across the engineering team and with customers to coordinate development efforts anticipate design changes prioritize feature implementations and bug fixes and solicit feedback.

Support laboratory field and at-sea testing of prototype systems including troubleshooting software hardware interfaces and operational data flows.

Present technical concepts development progress test results and product demonstrations directly to customers and other stakeholders.


Basic Qualifications:


U.S. Citizen with an active SECRET security clearance or the ability to obtain one.

Bachelors degree from an accredited institution in Computer Science Software Engineering Computer Engineering or another related STEM field.

Relevant professional internship academic or project experience developing and integrating software applications.

Proficiency in Python and experience using Python to develop applications automation tools data-processing solutions or hardware-control software.

Experience designing developing and integrating REST APIs.

Proficiency in software version-control processes and tools such as Git and GitHub.

Working knowledge of Linux command-line tools and shell scripting.

Experience testing software and debugging applications that integrate multiple data sources services or hardware components.

Ability to work effectively within a small multidisciplinary team and contribute across multiple phases of the software-development lifecycle.

Ability to interact directly and professionally with customers including gathering requirements communicating technical tradeoffs presenting demonstrations and responding to feedback.

Ability to understand complex technical documents and communicate technical ideas effectively in writing orally and visually.


Preferred Qualifications:


Experience with C and integrating software with purpose-built electro-mechanical or embedded systems.

Experience developing modular test architectures that support live hardware recorded data simulation or other test inputs.

Experience integrating operational telemetry environmental data or external web services into software applications.

Experience developing interactive dashboards data visualizations geospatial maps or configurable filtering capabilities.

Experience with test automation build automation static analysis and continuous integration processes.

Familiarity with common embedded or network communications protocols such as Ethernet TCP/IP or serial communications.

Familiarity with embedded electronics test equipment including power supplies oscilloscopes and hardware debuggers.

Experience supporting laboratory field pier-side or at-sea system integration and testing.

Experience working directly with government defense or technical customers in a rapid-prototyping environment.

Ability to operate independently manage changing priorities and assume broad technical responsibilities within a small team.


SUBSEAMSS


If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:
September 17 2026

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $57850.00 - $104575.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.


Required Experience:

IC


About Company

Company Logo

Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

View Profile View Profile