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Posted August 27, 2026
Leidos

Mechanical Engineer

Huntsville, AL, US Full Time
$69550.00-$125725.00 per year

Description

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 sustainable. 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 talented Mechanical Engineer to join its Hypersonics line of business. 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. The selected candidate will support hypersonic development programs, contributing to advanced weapon system development efforts that are critical to maintaining U.S. technological superiority in this rapidly evolving domain.

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

  • Support the design and development of mechanical components and assemblies for advanced hypersonic vehicles.

  • Create and maintain Technical Data Package (TDP) artifacts, including drawings, bills of materials (BOMs), and specifications.

  • Manage and maintain technical interface control drawings and associated engineering documentation.

  • Develop mechanical designs with consideration for functionality, manufacturability, assembly, inspection, and producibility.

  • Apply Geometric Dimensioning and Tolerancing (GD&T) principles in accordance with ASME Y14.5 and applicable engineering drawing standards.

  • Perform tolerance analyses and engineering calculations to support design decisions and verify component and assembly requirements.

  • Participate in design reviews, peer reviews, drawing reviews, and other technical meetings throughout the product development lifecycle.

  • Support the selection of materials, manufacturing processes, finishes, fasteners, and other mechanical design features appropriate for aerospace and defense applications.

  • Support prototype fabrication, assembly, integration, and testing activities by troubleshooting mechanical issues and developing engineering solutions in coordination with senior engineers.

  • Collaborate with multidisciplinary teams, including structural, thermal, systems, manufacturing, quality, and test engineering, to develop and mature mechanical designs.

  • Independently manage tasks and projects with guidance from senior engineers.

  • Perform work in both classified and unclassified environments as required.

Basic Qualifications

  • Active DoD Secret security clearance.

  • Bachelor’s degree in engineering from an ABET accredited institution with 2+ years of relevant experience.

  • Proficiency with 3D CAD tools such as Creo, CATIA, AutoCAD, SolidWorks, or similar software. Experience working within Product Lifecycle Management (PLM) environments.

  • Working knowledge of Geometric Dimensioning and Tolerancing (GD&T) in accordance with ASME Y14.5 and basic tolerance stack-up analysis.

  • Understanding of engineering drawings, specifications, and configuration management processes.

  • Fundamental understanding of mechanical design principles, including statics, mechanics of materials, materials science, and manufacturing processes.

  • Willingness to facilitate technical meetings with internal and external stakeholders, including design, peer, and tabletop reviews.

  • Ability to communicate technical information effectively through written documentation, drawings, presentations, and verbal communication.

  • Strong attention to detail, analytical thinking, problem-solving, communication, and collaboration skills.

  • Self-starter with an eagerness to learn, take ownership of assigned tasks, and grow technically within a fast-paced engineering environment.

  • Proficiency with Microsoft Office applications (Word, Excel, PowerPoint).

Preferred Qualifications

  • Experience supporting DoD programs involving missile systems, reentry vehicles, hypersonic systems, or other advanced aerospace technologies.

  • Experience supporting rapid development, prototyping, or fast-paced engineering programs.

  • Experience creating 3D models and engineering drawings using PTC Creo and managing data within Windchill.

  • Familiarity with aerospace materials and manufacturing processes, including machining, composites, additive manufacturing, welding, bonding, and mechanical fastening.

  • Hands-on experience supporting hardware fabrication, assembly, integration, or testing.

  • Familiarity with structural and/or thermal analysis as it relates to mechanical design.

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:

August 27, 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 $69,550.00 - $125,725.00

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.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

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.

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