The Undersea Systems Division (USD) at Leidos currently has an opening for a Test/Mechanical Engineer to work in our San Diego, CA office. The USD operates at the leading edge of technology by designing, demonstrating, and deploying solutions to solve complex remote sensing problems for our Department of Defense customers. This is an exciting opportunity to contribute to system development and to gain experience for an individual with interest in maritime remote sensing, physics, sensors, system prototyping, algorithm and software development, statistics, machine learning, and artificial intelligence. Our focus is to develop capabilities and deployable prototypes and transition those to our Defense business segment.
Primary Responsibilities.
Candidate will be responsible for applying sound test engineering, mechanical engineering & design principles in the development of a HWIL system containing machined, structural, sheet metal, & “commercial off the shelf” component parts. Candidate will be responsible for bill of material development, system documentation and verification and component specification for mechanical assemblies. Candidate must be able to apply sound mechanical test engineering processes, such as drawing production, configuration management, and integration and development of complex mechanical systems.
Basic Qualifications.
Bachelor's degree in Mechanical or Aerospace Engineering from an ABET-accredited university.
Candidate must have a minimum of 2+ years of combined experience in mechanical component / Hardware in the Loop testing.
Proficiency in finite element analysis (SolidWorks, FEMAP, Nastran, COMSOL), Machine Learning
Demonstrated experience in the following areas:
Test Procedure Development, Performance and Updates
Performance of System Testing Level Testing
CAD based software such as SolidWorks
Ability to work independently and as part of a multi-disciplined team; able to perform complex tasks applying engineering first principles.
Must have strong communication (written and verbal) and interpersonal skills.
Lead testing operations, reviews, run analysis, and define hardware test plans.
US Citizenship required with the ability to obtain a TS clearance.
SUBSEAMSS
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
February 9, 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 $69,550.00 - $125,725.00
The Leidos pay range for this job level is a general guideline only and 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
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Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
