[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All L3Harris Technologies jobs](https://jobs.opennash.com/companies/l3harris-technologies/) · [Search jobs](/search/) L3Harris Technologies · Huntsville, AL # Specialist, Mechanical Engineering - Flexseal Nozzle Design Huntsville, AL, US Full-time {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}} Design Listed on L3Harris Technologies’s official careers site. Posted October 13, 2026. Check that it is still open and apply there. [Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/huntsville/specialist-mechanical-engineering-flexseal-nozzle-design/4832/101907372048) [OpenNash Jobs](https://jobs.opennash.com/) / [L3Harris Technologies](https://jobs.opennash.com/companies/l3harris-technologies/) / Specialist, Mechanical Engineering - Flexseal Nozzle Design ## 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 Engineering – Flexseal Nozzle Design Job Code: 46100 Job Location: Huntsville, AL; On-site 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 Specialist Mechanical Design Engineering role focuses on the component and system level design of vectoring flexseal nozzles for Solid Propulsion Systems. The position requires proficient knowledge in the area of solid rocket motor nozzle design, ballistics, elastomer and ablative materials, and nozzle manufacturing techniques. This position requires the ability to work under general supervision in defining objectives, determining technical approaches, delegating tasks, and reviewing deliverables. ### Essential Functions Lead mechanical design efforts for solid rocket motor flexseal nozzles, 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. 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 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience. Demonstrated experience in vectoring flexseal nozzle design, manufacturing and test. ### 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). #LI-SP1 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 or Spanish. For information regarding your Right To Work, please click here for English or Spanish. ## At a glance - Posted by the employer: Oct 13, 2026 - First seen by OpenNash: Oct 19, 2026 - Last checked: Oct 19, 2026 - Listed for: 6 days - Location: Huntsville, AL, US - Employment type: Full-time - Pay: {'@type': 'MonetaryAmount', 'currency': '', 'value': {'@type': 'QuantitativeValue', 'unitText': ''}}[Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/huntsville/specialist-mechanical-engineering-flexseal-nozzle-design/4832/101907372048) ## More jobs at L3Harris Technologies ### [Lead, Mechanical Engineer- Composite Case Design 1](https://jobs.opennash.com/companies/l3harris-technologies/jobs/4c8f18edf0c570006e70/) Huntsville, AL, US ### [Specialist, Mechanical Engineer (Tool Design)](https://jobs.opennash.com/companies/l3harris-technologies/jobs/7ad8722055b27e7b211f/) Huntsville, AL, US ### [Specialist, Mechanical Engineer Design](https://jobs.opennash.com/companies/l3harris-technologies/jobs/a96cddb4cd0bad0085bb/) Huntsville, AL, US ### [Specialist, Mechanical Engineer- Composite Case Design 1](https://jobs.opennash.com/companies/l3harris-technologies/jobs/8a46a93429e80b70dc36/) Huntsville, AL, US ### [Associate Manager, Operations Management](https://jobs.opennash.com/companies/l3harris-technologies/jobs/7e53743f7088dd4fe134/) Huntsville, AL, US ## Similar jobs at other companies ### [Mechanical Design Engineering Mgr](https://jobs.opennash.com/companies/lockheed-martin/jobs/1d7e0de4443f3eadcf14/) Lockheed Martin · Grand Prairie, TX ### [Mechanical Engineering - Intern](https://jobs.opennash.com/companies/lockheed-martin/jobs/4ec64c89e8e43b5ec0cb/) Lockheed Martin · Stratford, CT ### [Mechanical Engineering Intern](https://jobs.opennash.com/companies/general-dynamics/jobs/a1e932aee32e15c5fbd4/) General Dynamics · Canonsburg, PA, US ### [Mechanical Engineering Specialist](https://jobs.opennash.com/companies/eaton/jobs/b6a510f3c54d06a095e0/) Eaton · Moon Township, Pennsylvania, USA OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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