Specialist Mechanical Design Engineer
L3HARRIS Technologies
Huntsville, AL · Posted October 27, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at L3HARRIS Technologies
More in Alabama job market · Aerospace & Defense · Engineering jobs
More roles at L3HARRIS Technologies
- Manager, Systems Engineering · Yorba Linda, CA
- Manager, Software Engineer · Waco, TX
- Manager, Aircraft Maintenance - Aircraft Painting · Greenville, TX
- Manager, Software Engineer (minimum $10K Sign-On Bonus) · Camden, NJ
- Manager, Quality Engineering · Camden, NJ
- Senior Manager, Manufacturing Engineering- Digital Factory Manufacturing Engineer · Huntsville, AL
Similar jobs
- Mechanical Engineer · SLB · Mobile, AL
- ETO Mechanical Engineer · SLB · Mobile, AL
- Product Engineer · SPX Technologies · Alabama, AL
- Senior AC Mitigation Engineer · Stantec · Mobile, AL
- Mechanical Designer / Drafter - AutoCAD · American Systems · Norwich, CT
- Test Engineer, Senior · American Systems · Orlando, FL
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.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Job Title: Specialist, Mechanical Design Engineer
Job Code: 46742
Job Location: Huntsville, AL
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 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:
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.
Ability to obtain US secret security clearance.
Travel: 25% local travel, offsite, and suppliers.
Qualifications:
Bachelor’s Degree and minimum 4 years of prior Mechanical Design experience. Graduate Degree and a minimum of 2 years of prior Mechanical Design experience. In lieu of a degree, a minimum of 8 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 is preferred.
Knowledge of solid propulsion systems design and manufacturing methods.