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Principal Mechanical Design Engineer, Tooling

Jobright.ai
Long Beach, CA Full Time
POSTED ON 11/9/2025
AVAILABLE BEFORE 12/8/2025

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Job Summary:

Relativity Space is building rockets to meet the growing demand for launch capacity and advance science and exploration. The Principal Mechanical Design Engineer, Tooling will be responsible for designing and developing tools and automation equipment that support the manufacturing of the Terran vehicle and Aeon engine programs.


Responsibilities:

• Develop high quality development and production tooling and automation solutions for the Terran vehicle and Aeon engine programs

• Capable of integrating concepts and principles of mechanical design and analysis of several different projects in a fast-paced environment - projects will vary in size and scale

• Ability to interpret and apply sound design and drafting standards (ASME Y14.5) in creating tooling drawing definitions

• Handle a wide range of technical problems and familiar with all types of material handling, assembly fixtures, off-loaders, rotisseries, test fixtures, structural weldments, environmental chambers, and custom machines

• Close collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment)

• Manage projects including vendor selection, fabrication, inspection, equipment installation, and commissioning of tooling


Qualifications:


Required:

• Bachelor of Science degree in manufacturing engineering, mechanical engineering or equivalent

• 15 years of work or project experience with design, build, and commissioning of tooling and fixtures for manufacturing, assembly and test

• Experience using CAD and FEA-based analysis software (NX and ANSYS Workbench preferred) for structural applications

• Experience in full-cycle project completion

• Experience in strategic buildout and project management of tooling supporting production

• Develop high quality development and production tooling and automation solutions for the Terran vehicle and Aeon engine programs

• Capable of integrating concepts and principles of mechanical design and analysis of several different projects in a fast-paced environment - projects will vary in size and scale

• Ability to interpret and apply sound design and drafting standards (ASME Y14.5) in creating tooling drawing definitions

• Handle a wide range of technical problems and familiar with all types of material handling, assembly fixtures, off-loaders, rotisseries, test fixtures, structural weldments, environmental chambers, and custom machines

• Close collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment)

• Manage projects including vendor selection, fabrication, inspection, equipment installation, and commissioning of tooling


Preferred:

• Strong expertise in design for manufacturability and design for assembly including experience taking products from prototype design to production

• Solid understanding of common manufacturing materials, GD&T, and tolerance/stack-up analysis

• Solid understanding of common manufacturing processes and machines including mills, lathes, welding, sheet-metal bending, lifting/rigging, assembly, inspection, etc.

• Experience with custom machine design: motors, actuators, linear rails/actuators, pneumatics, bearings, etc.


Company:

Relativity Space is an aerospace company that designs, develops, and builds 3D printed rockets. Founded in 2015, the company is headquartered in Long Beach, California, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

Salary.com Estimation for Principal Mechanical Design Engineer, Tooling in Long Beach, CA
$131,969 to $158,916
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