Mechanical Analysis Intern

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

Job summary

Leidos Defense Systems’ Mechanical Design & Analysis Department in Huntsville invites college students (Sophomore–Grad) to join as Mechanical Analysis Interns for a summer internship. You’ll work hands-on in structural and/or thermal analysis, FEMAP/Ansys modeling, and hand calculations under guidance from experienced engineers.

You’ll own analysis tasks, contribute to hardware delivered to DoD customers, and gain mentorship while developing practical skills in FEA and design validation in a

Qualifications

• Student must be pursuing a degree in Mechanical Engineering, Aerospace Engineering, or equivalent from an ABET-accredited program.
• Overall GPA of 3.5 or above required.
• U.S. Citizenship required for DoD environment.
• Willingness to work in-office in the Huntsville, AL area.
• Ability to obtain and maintain DoD Secret clearance.

Responsibilities

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

Skills

Microsoft Office

Communication skills

Team collaboration

Clearance eligibility

FEMAP

Ansys

Education

ABET-accredited Mechanical/Aerospace Engineering program

Sophomore–Graduate student status

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

Students with the following experience are desired:

• 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.

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:

October 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 $48,100.00 - $86,950.00

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.

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.