Description
The Maritime System Division of Leidos is seeking a talented and motivated Mechanical Engineer to join our Long Beach, MS office. In this role you will play a pivotal role in designing, prototyping, and developing sophisticated electro-mechanical systems for defense applications. This is an onsite position where you will work with a cross-functional team of engineers, technicians, and program management to take concepts into fieldable systems.
Primary Responsibilities.
- Support and/or lead the design, development, installation, and maintenance of electro-mechanical systems.
- Utilize SolidWorks to create detailed 3D models, assemblies, and 2D engineering drawings.
- Perform fundamental structural, thermal, and tolerance analysis to ensure designs can meet and withstand environmental and operational requirements.
- Work with multidisciplinary engineering teams to ensure seamless hardware integration and design feasibility.
- Perform tasks to completion independently, be able to suggest solutions to technical problems, and serve on a design review team.
- Prepare and/or review proposed engineering change documents, test plans, and test reports.
- Work with production staff to ensure products are manufactured as designed and in a timely manner.
- Present designs and justify engineering decisions during engineering reviews both internally within the company and externally with customers and stakeholders.
Basic Qualifications.
- Bachelor’s degree in Mechanical Engineering or equivalent from an ABET-accredited engineering degree program 4+ years prior relevant experience or Master’s degree with 2+ years of prior experience.
- Requires deep understanding of and ability to apply principles, theories, and concepts of mechanical engineering.
- Proficiency with the SolidWorks software suite.
- Proficiency with Microsoft Office products such as Word, PowerPoint, and Excel.
- Strong problem solving and organizational skills, along with excellent written and oral communication skills.
- US Citizenship and the ability to obtain a DoD Secret Security Clearance.
- Average physical mobility to move around an office and lab environment.
Preferred Qualifications.
- Hands-on experience working on electro-mechanical assemblies.
- Prior experience with HVAC systems design and/or thermal management.
- Prior experience or knowledge with unmanned maritime vehicles and associated sensors.
- Prior experience with designing systems to operate long-term in high-corrosive environments.
- Prior experience with designing structures or enclosures subject to high shock, vibration, and extreme thermal environments.
- Experience using Finite Element Analysis Tools for structural and thermal modeling.
- Certified SolidWorks Associate (CSWA) or higher.
- Experience working in an ISO manufacturing environment.
- Experience working in PTC Windchill PLM.
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:
June 1, 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 $87,100.00 - $157,450.00
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.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
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.
