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Specialist Mechanical Design Engineer

L3Harris

Huntsville, ALJobSeen 2w agoSeen in employer's feed 1w ago

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At a glance

Compensation
No compensation found
Location
Huntsville, AL
Work Authorization
Citizenship required

Olive focuses on jobs in the United States, including remote roles you can work from there.

Requirements

Credentials this posting asks for.

Secret clearance, required

Job overview

L3Harris seeks a Specialist Mechanical Design Engineer to lead component and system design for solid propulsion systems, including solid rocket motors and controllable solid systems. The role develops designs and supports manufacturing, testing, qualification, and production activities, working with cross-functional teams and suppliers. Work is performed with minimal direction, and the position may involve mechanical design for composite cases and propulsion components.

Skills & qualifications

RequiredNice to have

Skills

Mechanical Design, nice to haveCAD Software, nice to haveCreo, nice to havePLM Systems, nice to haveWindchill, nice to haveASME Y14.5, nice to haveSolid Rocket Motors, nice to haveSolid Propulsion Systems Design, nice to haveManufacturing Methods, nice to have

Qualifications

Bachelor's Degree or 4 Years Experience, requiredGraduate Degree or 2 Years Experience, required8 Years Mechanical Design Experience, requiredAbility to Obtain US Secret Clearance, required

Full job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Mechanical Design Engineer

Job Code: 46742

Job Location: Huntsville, AL

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

L3Harris is a world-recognized aerospace and defense leader providing propulsion and energetics to its space, missile defense, strategic, tactical missile and armaments customers throughout domestic and international markets. The company offers a complete line of propulsion products for launch vehicles, missile defense, tactical and advanced hypersonic propulsion.

This is a Specialist-level design engineering position with a focus on component and system design of solid propulsion systems used on solid rocket motors and/or controllable solid systems. Work is performed with minimal direction. The position exercises latitude in determining objectives and approaches on assignments. The candidate will lead component and system design that could include Hot Gas Thrusters, Insulation Systems, Manifolds, Ignition Systems, Pressure Vessels, and Test Hardware used in Controllable Solid Propulsion Systems, or other advanced Propulsion Systems.

Essential Functions:

  • Working knowledge of application of concepts, practices, and techniques.

  • May be responsible for mechanical design activities for composite case and solid propulsion systems and components.

  • Develop design concepts, 3D models and support the development of detailed drawings for the manufacture of parts.

  • Conduct trade studies and develop component specifications and procedures as required. Interact with component analysis, manufacturing, project engineering, quality and customer support groups.

  • Plan and execute complex design tasks with general oversight and work effectively within an Integrated Product Team (IPT) environment. Review of work products.

  • Participate in shop floor and production hardware processing at suppliers and internally. Provide input to address nonconforming hardware, process planning, support production meetings, and work with supply chain to assure that design requirements are met.

  • Support engineering drawing and specification updates at configuration change boards.

  • Develop or assist with developing test plans and technical reviews.

  • Assist in the identification and support of risk reduction and environmental test requirements. This may include manufacturing pathfinders, subscale testing, component and system level qualification tests.

  • Prepare material and support presentations for internal and external customers. Responsible for preparing engineering reports to support tolerance studies, engineering analyses or failure investigations, including technical close-out reports.

  • Ability to obtain US secret security clearance.

  • Travel: 25% local travel, offsite, and suppliers.

Qualifications:

  • Bachelor’s Degree and minimum 4 years of prior Mechanical Design experience. Graduate Degree and a minimum of 2 years of prior Mechanical Design experience. In lieu of a degree, a minimum of 8 years of prior Mechanical Design experience.

Preferred Additional Skills:

  • Experience with CAD software tools (CREO), and PLM Systems (Windchill).

  • Familiar with ASME Y14.5.

  • Experience with Solid Rocket Motors is preferred.

  • Knowledge of solid propulsion systems design and manufacturing methods.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRightsSp\_10\_20.pdf) .

How this job compares

Set against the 741 open Mechanical Design Engineer jobs on Olive Jobs, counted November 13, 2026.

Pay
  • This postingNot listed
  • US median$103–160K/yr478 salary ranges
  • US median$40–54/hr69 hourly ranges
Openings
Olive Jobs lists 20 open Mechanical Design Engineer jobs in Alabama and 741 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in Alabama
Experience
This posting asks for at least 2 years of experience — less than three in four Mechanical Design Engineer postings that state a minimum ask for (median 5 years, across 636 postings).
Education
442 of the 741 open Mechanical Design Engineer jobs (60%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 13, 2026. Figures based on too few postings are left out.

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