Senior Stress Analyst

Leidos LLC; Huntsville (AL); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a Senior Stress Analyst in Huntsville, Alabama, to apply analytical methods, finite element models, and simulations to develop models and perform structural and dynamic analyses. You will collaborate with design and manufacturing teams to deliver high-performance structures.

Requirements include a ABET‑accredited Bachelor’s in Mechanical or Aerospace Engineering, 8–12 years of experience (6–10 with a master’s), and proficiency with FEMAP/NX NASTRAN, PATRAN/MSC NASTRAN, ANSYS,

Qualifications

• Bachelor's Degree in Mechanical Engineering, Aerospace Engineering or equivalent from an ABET-accredited university.
• 8–12 years of relevant industry experience with a bachelor’s degree, or 6–10 years with a master’s degree.
• Demonstrated experience with commercial finite element analysis tools (FEMAP/NX NASTRAN, PATRAN/MSC NASTRAN, ANSYS, Abaqus, etc.).
• Strong technical writing, presentation, and cross-functional collaboration skills.

Responsibilities

• Apply analytical methods, finite element models, simulations, and other engineering tools to develop models and perform structural and dynamic analyses.
• Partner with design and manufacturing teams to deliver high-performance structures meeting requirements for performance, manufacturability, and schedule.

Skills

Security clearance

Strong technical writing

Cross-functional collaboration

Education

Bachelor's in Mechanical/Aerospace Eng

Master's in Mechanical/Aerospace Eng (preferred)

Tools

FEMAP/NX NASTRAN

PATRAN/MSC NASTRAN

ANSYS

Abaqus

Job description

Looking for an opportunity to make an impact? 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. Your greatest work is ahead! 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.

Primary Responsibilities

Apply analytical methods, finite element models, simulations, and other engineering tools to develop models, perform structural and dynamic analyses, conduct calculations, reduce test data, and correlate results. Partner closely with design and manufacturing teams to deliver high-performance structures that meet demanding requirements for performance, manufacturability, and schedule.

Basic Qualifications

Bachelor's Degree in Mechanical Engineering, Aerospace Engineering or equivalent degree from an ABET-accredited university. Possess 8–12 years of relevant industry experience with a bachelor’s degree, or 6–10 years with a master’s degree. Demonstrated experience with any of the commercial finite element analysis tools (e.g. FEMAP/NX NASTRAN, PATRAN/MSC NASTRAN, ANSYS, Abaqus, etc.). Strong technical writing, presentation, and cross-functional collaboration skills. Proven ability to thrive in a collaborative, multi-disciplinary engineering environment. Capable of working as part of a larger analysis team or working as the sole analyst on a project. U.S. citizenship and a current Final Secret Clearance—or eligibility to obtain and maintain one. Residence in, or willingness to relocate to, the Huntsville, Alabama area.

Preferred Qualifications

• Master's degree in Mechanical Engineering, Aerospace Engineering or equivalent degree from an ABET-accredited university with a 3.5 or higher GPA.
• Advanced expertise in Linear and nonlinear contact FEA Application of nonlinear material properties to both FEA and hand calculations
• Integrated multi-physics analysis
• Bolted joint and weld analysis
• Dynamics analysis (modal, response spectrum, shock, vibration)
• Bolted joint and weld analysis
• Fatigue analysis
• Composite materials analysis
• Thermal 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: September 15, 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: Pay Range $107,900.00 - $195,050.00 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.

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 $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.