← Search all jobs

Sr Specialist, Mechanical Engineering

L3HARRIS Technologies

Huntsville, AL · Posted October 19, 2026

Just laid off? Start here: a plan for the first weeks

See every open role at L3HARRIS Technologies

More in Alabama job market · All Sr. Specialist jobs (135) · Aerospace & Defense · Engineering jobs

More roles at L3HARRIS Technologies

Similar jobs

Where Huntsville, AL ranks

Where Huntsville, AL placed in our monthly rankings, month by month. Each month stays online at its own address.

How AI is used in this kind of work

AI use among mechanical engineering technologists and technicians is little observed so far. Measured exposure for mechanical engineering technologists and technicians: 7% (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.

Check how this applies to your own job

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.

  • Excel
  • PowerPoint

About the job

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).

#LI-SP1