Specialist, Mechanical Engineer Design
L3HARRIS Technologies
Huntsville, AL · Posted September 30, 2026
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Where Huntsville, AL ranks
Where Huntsville, AL placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for aerospace and defense jobs555 openings · of 67
- #2Best cities for pay after cost of living in the Southeast$164k · of 33
- #2Best cities for software and engineering jobs in the Southeast701 openings · of 65
- #3Best all-round cities for mid-career professionals in the Southeast74 / 100 · of 33
- #6Best cities for aerospace and defense pay after cost of living$151k · of 19
- #12Best all-round cities for AI careers in the Southeast61 / 100 · of 33
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
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 Aerojet Rocketdyne 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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