Mechanical Engineer - Environmental Test Lab

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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 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.

Additional information

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

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.

Huntsvillemanufacturing

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Original Posting: July 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 $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.