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L3Harris

Lead, Mechanical Engineer- Composite Case Design 1

Huntsville, AL, United States

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Job details

Posting language: English
Posted: Oct 15, 2026

Original 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 , Mechanical Engineering- Composite Case Design

Job Code: 46106

Job Location: Huntsville, AL or Remote

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

Job Description:

The Lead mechanical design engineering role focuses on the design of filament-wound composite cases for Solid Propulsion and Controllable Solids Systems. The position requires substantial technical expertise in the area of carbon fiber epoxy material systems, pressure vessel design, filament winding manufacturing, and Classical Lamination Theory. This position requires the ability to work with moderate to limited oversight in defining objectives, determining technical approaches, delegating tasks, reviewing deliverables, and coaching and training other employees across the company within area of expertise. The selected candidate will provide technical leadership in the component and system design of composite cases for solid propellant and controllable solid propulsion applications.

Essential Functions:

Lead mechanical design efforts for filament-wound composite cases, propulsion systems, and related components.
Develop design concepts, 3D models, and detailed engineering drawings.
Perform trade studies and prepare component specifications and procedures.
Coordinate with analysis, manufacturing, project engineering, quality, and customer support teams.
Plan and execute design assignments within an Integrated Product Team environment.
Support production activities on the shop floor and at supplier locations.
Address nonconforming hardware, support process planning and production reviews, and ensure design requirements are met through supplier coordination.
Support engineering drawing and specification updates through configuration control boards.
Lead technical reviews, investigations, and risk-reduction efforts.
Support environmental and qualification testing, including pathfinder, subscale, component, and system-level tests.
Prepare and present technical presentations and engineering reports for internal and external stakeholders.
Ability to obtain a U.S. Secret Security Clearance.

Qualifications:

Bachelor’s Degree and a minimum of 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
Experience in filament wound composite pressure vessel design and manufacturing methods.

Preferred Additional Skills:

Bachelor’s Degree in Mechanical or Aerospace Engineering is preferred.
Knowledge of solid propulsion systems design and manufacturing methods.
Knowledge and experience in strategic booster motors, tactical rocket motors, controllable solids systems.
Strong mechanical aptitude and experience with CAD software tools (CREO), and PLM Systems (Windchill), engineering drawing and GD&T application experience.
Proficiency with Microsoft Office products (Word, Excel and PowerPoint).

In compliance with pay transparency requirements, the salary range for this role in California, Connecticut, Massachusetts, New Jersey, Washington, and the Greater D.C. area, Denver, or NYC areas is $122,000 - $227,000. The salary range for this role in Colorado state, Hawaii, Illinois, Maine, Maryland, Minnesota, New York state, Cleveland Ohio, Vermont and Virginia is $106,000 - $197,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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) .

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