Mechanical Analysis Intern

Leidos LLC; Huntsville (AL); On-site; USD 48,000 - 87,000; Full time

Job summary

Leidos Defense Systems' Mechanical Design & Analysis Department in Huntsville, AL is seeking Mechanical Analysis Interns for the summer (May–August) to work on hands-on structural and thermal analysis under mentorship. Interns will own analysis tasks and face real-world challenges in hardware delivered to customers.

Qualified students pursuing Mechanical or Aerospace Engineering at ABET-accredited programs, with a 3.5+ GPA, U.S.

Qualifications

• Working toward a degree in Mechanical or Aerospace Engineering from ABET-accredited college or university.
• U.S. citizenship required and DoD clearance eligible.
• GPA 3.5 or higher required.
• Willing to work in Huntsville, AL office.
• Proficiency with Microsoft Office (Word, Excel, PowerPoint).

Responsibilities

• Support DoD engineering analysis activities using FEMAP or Ansys.
• Develop structural and/or thermal analysis models for validation.
• Calculate margins to assess design viability.
• Collaborate with other disciplines to deliver solutions.
• Present analysis results to senior engineers.

Skills

Communication

Collaboration

MS Office

Education

ABET-accredited Mechanical/Aerospace program

Tools

FEMAP

Ansys

Job description

Leidos Defense Systems’ Mechanical Design & Analysis Department is seeking talented Mechanical Analysis Interns to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber, and commercial fields, Leidos provides responsive, cost-effective engineering, scientific, and IT solutions. Leidos' Mechanical Design and Analysis Department is actively seeking college students (Sophomore, Junior, Senior, or Grad) to work at our Huntsville facility over the summer break (May, June, July, and August depending on student availability). This position will allow students the opportunity to experience hands-on technical work in structural and/or thermal analysis, FEA modeling, and hand calculations. Candidate(s) will receive mentorship from junior and senior engineers, and the intern will take actual ownership of analysis tasks. They will be given challenges that make a real impact on hardware that is delivered to our customers.

Primary Responsibilities

• Support engineering analysis activities for DoD customers utilizing a broad engineering knowledge base.
• Develop structural and/or thermal analysis models using FEMAP (structural) or Ansys (thermal) for calculating response in system structures in effort to validate design.
• Calculate margins to determine design viability.
• Collaborate with other disciplines to produce excellent solutions for customers.
• Present analysis results to senior engineering staff.

Basic Qualifications

• Student must be working toward a degree in Mechanical Engineering, Aerospace Engineering, or equivalent from an ABET accredited college or university.
• Student must be a U.S. Citizen.
• Overall GPA of 3.5 or above is required.
• Student must be willing to work in-office in the Huntsville, AL area.
• Proficiency with Microsoft Office applications (Word, Excel, PowerPoint).
• Ability to obtain and maintain a DoD Secret clearance.
• Strong communication and collaboration skills.

Preferred Qualifications

• Experience with FEA software – FEMAP preferred.
• Experience with thermal analysis software - Ansys preferred.
• Hands‑on experience with the design and assembly of mechanical systems.
• Strong self-starter who showcases initiative to take on complex technical challenges.
• Willingness to learn, ask questions, and receive mentorship from an excellent engineering team.

Original Posting: October 1, 2026. Pay Range: Pay Range $48,100.00 - $86,950.00

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 $17.2 billion for the fiscal year ended January 2, 2026.

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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

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.