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Lead, Mechanical Engineer (Tool Design)

L3Harris

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At a glance

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

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Requirements

Credentials this posting asks for.

Secret clearance, required

Job overview

L3Harris seeks a Lead Tool Design Engineer for its Huntsville facility. The role defines and designs manual and semi-automated tooling for solid fuel rocket motor fabrication and assembly, combining design, structural analysis, project management, and hands-on manufacturing. The engineer works with cross-functional teams, oversees tooling procurement and fabrication, and supports functional evaluations, acceptance, maintenance, repairs, and modifications.

Skills & qualifications

RequiredNice to have

Skills

PTC Creo, requiredWindchill, requiredDesign for Manufacturability, requiredFinite Element Analysis, requiredStructural Analysis, requiredGD&T, requiredSystem Tolerance Analysis, requiredMicrosoft Office Suite, requiredMold Design, nice to haveANSYS, nice to haveFabrication, nice to haveComposite Wind Tool Design, nice to haveCompression Mold Tool Design, nice to haveDefense Industry, nice to have

Qualifications

Bachelor's or Graduate Degree or Equivalent Experience, required9+ Years Mechanical Engineering Design Experience, required7+ Years Mechanical Engineering Design Experience, required13+ Years Mechanical Engineering Design Experience, required4 Years Tooling or Ground Support or Test Equipment Design, requiredAbility to Obtain US Secret Clearance, requiredActive US Secret Clearance, nice to have

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: Lead, Tool Design Engineer

Job Code: 46635

Job Location: Huntsville, AL - AMF South or AMF North

Job Schedule: 4/10: Employees work 10 hour days, 4 days a week

Job Description:

L3Harris is seeking a Lead Tool Design Engineer to join our team at our growing AMF facility in Huntsville, AL. Manual and semi-automated tooling such as jigs, fixtures, molds, mandrels, and lifting devices are all required in the fabrication and assembly of solid fuel rocket motors. Tool Engineers are responsible to define all of these items. The role of Tool Engineering is mixture of design, structural analysis, project management and hands on manufacturing.

Essential Functions:

  • Work with cross functional teams define tool requirements.

  • Design using PTC Creo and Windchill in accordance with principles of Design for Manufacturability.

  • Use finite element analysis (FEA) methods and tools to perform structural. analysis of tools in order to predict internal stresses and resolve structural instabilities.

  • Conduct design reviews with cross functional teams to obtain approval of tool designs.

  • Oversee procurement and fabrication of tooling.

  • Work with Manufacturing Engineers to perform functional evaluations and acceptance of the tooling.

  • Perform liaison support for tool maintenance by identification of tool problems, design of repairs and implementation of modifications.

  • Skilled in application of GD&T and system tolerance analysis.

  • Proficient with tools of Microsoft Office Suite.

  • Ability to obtain a US Secret security clearance.

  • Travel: 5%.

Qualifications:

  • Bachelor’s Degree and minimum 9 years of prior mechanical engineering design experience. Graduate Degree and a minimum of 7 years of prior mechanical engineering design experience. In lieu of a degree, minimum of 13 years of prior mechanical engineering design experience.

  • 4 years design of tooling, ground support equipment, or special test equipment experience.

Preferred Additional Skills:

  • Mold Design in a plus.

  • Experience with ANSYS is a plus.

  • Fabrication experience is a plus.

  • Composite Wind tool design and/or fabrication experience is a plus.

  • Compression Mold tool design and/or fabrication experience is a plus.

  • Existing clearance is a plus.

  • Experience working in the defense industry is a plus.

  • Active US Secret security clearance a plus.

#LI-HW1

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 7,181 open Mechanical Engineer jobs on Olive Jobs, counted November 13, 2026.

Pay
  • This postingNot listed
  • Alabama median$91–158K/yr54 salary ranges
  • US median$45–58/hr377 hourly ranges
Openings
Olive Jobs lists 118 open Mechanical Engineer jobs in Alabama and 7,181 across the US. 3% of them nationwide are listed as remote or flexible.
Hiring the most in Alabama
Experience
This posting asks for at least 13 years of experience — more than three in four Mechanical Engineer postings that state a minimum ask for (median 5 years, across 6,068 postings).
Education
4,949 of the 7,181 open Mechanical Engineer jobs (69%) 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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