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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

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Leidos’ Defense Systems is seeking a Senior Stress Analyst to join our team to create unique solutions for complex problems.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Are you ready to make an impact? Share your resume with us today!

Primary Responsibilities

• The candidate will perform the thermal analysis of structural, electronic, and mechanical systems and support various test activities. The position requires use of hand analysis methods, finite volume models/simulations, finite element models/simulations, finite difference models/simulations, and other analysis tools to produce models, perform analysis, calculations, data reduction, and correlate test results to thermal and flow models. This analysis will include detailed steady state and/or transient thermal analyses utilizing standard industry programs.

• Candidate will work in a team environment to support conceptual design through product implementation and should be able to lead a thermal analysis team throughout the development lifecycle.

Basic Qualifications

• The candidate must possess a Bachelor's degree in Mechanical or Aerospace Engineering or equivalent degree from an ABET-accredited university.

• Candidate must have at least a BS degree and four (4) years’ experience (or an MS degree and 2 years) performing thermal analysis in the aerospace and defense industry.

• Candidate is required to have proven working knowledge with any of the commercial thermal analysis and CFD tools (e.g., STAR-CCM+, Thermal Desktop/Sinda Fluint, ANSYS, Solid Works Flow Simulation, etc.).

• Candidate must be able to write technical reports and present data to a multi-disciplined team.

• The position requires candidates to be capable of performing in a collaborative engineering environment working closely with multi-disciplinary teams.

• Candidate must be capable of working as part of a larger analysis team or working as the sole analyst on a project.

• Candidate must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance or meet the eligibility to obtain (and maintain) a Secret Clearance.

• Candidate must be a resident of the North Alabama area or willing to relocate to the Huntsville, AL area.

Preferred Qualifications

• Aerothermal analysis

• Charring and ablation prediction

• Fluid lumped capacitance modeling

• Electronics cooling analysis

• Thermal analysis of orthotropic materials

• Experience mentoring and leading younger analysts.

• Structural analysis

• FEMAP/Nastran

• Coupled thermal-structural analysis

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:

March 10, 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.