Mechanical Engineer – Environmental Test Lab

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

Job summary

Leidos seeks a High-Level Mechanical Engineer in Huntsville, AL to join the Defense Sector and support the CHGB program. The role involves center of gravity and inertia work, vibration testing, and integration of complex mechanical systems with cross-functional teams.

Responsibilities include modal/FEA analysis, test fixturing, shaker operations, test procedure development, and results documentation. Requires 8+ years in engineering, MIL-STD-810 experience, and DoD program exposure.

Qualifications

• BS in Engineering or Physics from ABET-accredited college and 8+ years of relevant experience, or a Masters with 6+ years of experience.
• Experience in MIL-STD-810 test environments.
• Background in manufacturing and/or test engineering.
• Ability to read and interpret mechanical drawings, schematics, and specifications.

Responsibilities

• Determine Center of Gravity, Product of Inertia, and Moment of Inertia values from provided data.
• Create and analyze Random Vibration, Ignition Shock, and Pyroshock testing profiles.
• Operate Electrodynamic Shaker systems to support testing efforts.
• Develop Mechanical Test Fixturing.
• Perform Modal and FEA Analysis.
• Develop, maintain, and execute test procedures to support testing and vehicle delivery.
• Analyze test results, generate Test Reports, and document non-conformances.
• Collaborate with multiple teams to meet technical and schedule requirements.

Skills

Mechanical engineering

Center of Gravity calculations

Vibration testing

Modal analysis

FEA analysis

Read drawings/schematics

Multi-disciplinary teamwork

Education

ABET-accredited BS in Engineering or Physics

MS in Engineering

Tools

PTC Creo

Windchill

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 Sector / Manufacturing is seeking a talented and qualified High-Level Mechanical Engineer to join our Defense team in Huntsville, AL supporting the Common Hypersonic Glide Body (CHGB) Program. This position will also support the integration and testing of integrated systems as designed to ensure form and fit of the systems.

Primary Responsibilities

• Determine Center of Gravity, Product of Inertia, and Moment of Inertia values from provided data during measurement process.
• Create and analyze Random Vibration, Ignition Shock, and Pyroshock testing profiles.
• Operate Electrodynamic Shaker systems to support testing efforts.
• Develop Mechanical Test Fixturing
• Perform Modal and FEA Analysis
• Develop, maintain, and execute test procedures to support testing and vehicle delivery.
• Analyze test results, generate Test Reports, and document non-conformances.
• Collaborate with multiple teams to meet our technical and schedule requirements.

Basic Qualifications

• A BS in Engineering or Physics from an ABET Accredited College with at least 8+ years of relevant experience or a Masters with at least 6+ years of relevant experience
• Experience in a MIL-STD-810 Test Environment
• Background in Manufacturing and/or Test Engineering.
• Ability to read and interpret Mechanical drawings, schematics, and specifications.
• Experience working with a multi-disciplinary team.
• Experience working with Acceleration, Vibration, and Mass Properties test equipment.

Preferred Qualifications

• The following skills/abilities are desired:
• Active security clearance.
• SAWE Certification in Mass Properties.
• Experience supporting DoD programs related to missile systems, reentry vehicles, or hypersonic technologies.
• Prior work in assembly, integration, or testing of missile systems.
• Experience supporting rapid development, prototyping, or fast-paced engineering programs.
• Experience creating engineering drawings using PTC Creo and managing data in Windchill.

Other Qualifications

The ideal candidate would have experience in environmental and dynamic testing and have a current DoD Secret clearance.

Security Requirements

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.

Location and Relocation

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

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.

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.

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.

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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

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].