Sr Specialist, Mechanical Engineering

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: Sr Specialist, Mechanical Engineering – SRM Design

Job Code: 46162

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

L3Harris is seeking a skilled Mechanical Engineering professional to support solid rocket motor (SRM) component and system-level design activities within our propulsion organization. In this role, you will contribute to the development, modeling, and documentation of SRM designs using established engineering principles and industry best practices. You will collaborate with multidisciplinary teams across engineering, manufacturing, quality, and suppliers to ensure successful product development and production execution. This position requires strong analytical capabilities, design proficiency, and the ability to operate independently while driving high-quality technical outcomes.

Essential Functions

• Lead mechanical design activities for solid rocket motors, propulsion systems, and associated components.
• Develop design concepts, create 3D models, and produce detailed engineering drawings.
• Perform trade studies and generate component specifications, procedures, and technical documentation.
• Collaborate with analysis, manufacturing, project engineering, quality, and customer support teams to ensure design feasibility and producibility.
• Plan and execute design assignments within an Integrated Product Team (IPT) environment.
• Support production activities by resolving nonconformances, participating in process planning, and supporting production reviews.
• Coordinate with suppliers to ensure requirements are understood, achieved, and verified.
• Support drawing and specification updates through established configuration control processes.
• Participate in environmental, qualification, and component/system-level testing.
• Prepare and deliver technical presentations and engineering reports for internal and external stakeholders.
• Ability to travel up to 10%.
• Must be able to obtain and maintain a U.S. Security Clearance.

Minimum Qualifications

• Bachelor’s Degree and 6 years of mechanical engineering or related engineering experience; OR a Graduate Degree and 4 years of related experience; OR in lieu of a degree, 10 years of mechanical engineering experience.

Preferred Additional Skills

• Degree in Mechanical or Aerospace Engineering.
• Knowledge of solid propulsion system design and manufacturing methods.
• Experience with strategic booster motors, tactical rocket motors, or controllable solids systems.
• Strong mechanical design aptitude, including proficiency with CAD tools (CREO), PLM systems (Windchill), and application of GD&T.
• Proficiency with Microsoft Office tools (Word, Excel, PowerPoint).

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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.

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