Specialist, Mechanical Engineer Design
L3Harris Technologies· Defense· Oct 22, 2026 · 5d ago
Huntsville, Alabama, United States
In office
Full-time
Senior
$137K–$186K est.
6+ years exp
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 Engineer – Design
Job Code: 43784
Job Location: Huntsville, AL
Job Schedule: 4/10: Employees work 10 hour days, 4 days a week
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:
• Must be able to obtain a security clearance.
• Complete 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.
• Travel: 25%.
• Ability to obtain a US Secret Security Clearance.
Qualifications:
• Bachelor’s Degree and minimum 6 years of prior Mechanical Design experience; Graduate Degree and a minimum of 4 years of prior Mechanical Design experience; or in lieu of a degree, minimum of 10 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 (SRM) is preferred.
• Knowledge of solid propulsion systems design and manufacturing methods.
• Knowledge and experience in strategic booster motors, tactical rocket motors, and/or controllable solid propulsion systems is preferred.
• Active US Secret Security Clearance is desired.
In compliance with pay transparency requirements, the salary range for this role in Virgina is $76,500 - $142,500. 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.
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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.
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 .
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401(K)
Pto
Paid Time Off
Parental Leave