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Prototyping Engineer Jobs in Los Angeles, CA (NOW HIRING)

Expleo

Prototype launch engineer

Los Angeles, CA · On-site

$38.50 - $43/hr

He is the site reference for the project during the prototype phase, acting as a direct interface with the Product Engineer, Manufacturing Engineer, and support teams. He plans, organizes, and leads ...

Expleo

Prototype launch engineer

Los Angeles, CA

$38.50 - $43/hr

Description du poste He is the site reference for the project during the prototype phase, acting as a direct interface with the Product Engineer, Manufacturing Engineer, and support teams.He plans ...

ALTEN

Prototype Engineering Technician

Moorpark, CA · On-site

We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to ... rapid prototyping, and electronics * Hands-on experience with composite fabrication methods ...

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Prototyping Engineer information

What is a Prototyping Engineer job?

A Prototyping Engineer is responsible for designing, developing, and testing prototypes of new products or components. They work with design teams to refine concepts, select materials, and ensure that prototypes meet functional and performance requirements. This role involves using various fabrication techniques, such as 3D printing, CNC machining, and electronics assembly. Prototyping Engineers collaborate with R&D, manufacturing, and quality teams to iterate and improve designs before full-scale production. Their goal is to validate ideas quickly and efficiently, reducing development time and costs.

What are the key skills and qualifications needed to thrive in the Prototyping Engineer position, and why are they important?

To thrive as a Prototyping Engineer, you need strong skills in mechanical or electrical engineering, rapid prototyping, and CAD design, usually supported by a relevant engineering degree. Knowledge of 3D printing, CNC machining, and prototyping software (such as SolidWorks or AutoCAD) is typically essential, along with familiarity with relevant safety standards. Creative problem-solving, collaboration, and effective communication are valuable soft skills in this role. These abilities enable engineers to quickly turn ideas into functional prototypes, ensuring efficient product development and iterative testing.

What does a typical day look like for a Prototyping Engineer?

A typical day for a Prototyping Engineer often involves collaborating with design and development teams to translate concepts and sketches into working physical models. You may spend time using CAD software, operating fabrication equipment like 3D printers, and assembling or testing prototypes for functionality. Troubleshooting issues and iterating designs based on test results are frequent tasks. This role requires consistent teamwork with engineers, designers, and sometimes clients to ensure the prototyping process aligns with overall project goals.
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Prototyping Engineer jobs near you
Infographic showing various Prototyping Engineer job openings in Los Angeles, CA as of May 2026, with employment types broken down into 76% Full Time, 8% Temporary, 8% Contract, and 8% Nights. Highlights an 92% In-person, and 8% Remote job distribution.
Prototype launch engineer

Prototype launch engineer

Expleo

Los Angeles, CA • On-site

$38.50 - $43/hr

Full-time

Posted 19 days ago

Job description

He is the site reference for the project during the prototype phase, acting as a direct interface with the Product Engineer, Manufacturing Engineer, and support teams.
He plans, organizes, and leads prototype builds, managing technical documentation, components, and quality/cost/delivery risks.
He resolves technical and industrial issues to ensure a robust industrialization prior to product validation (before PV).

                              Basic duties and references:
 
·      Is the privileged interlocutor of the project on the site for Prototype phase (before PV).
·      Works closely with the Product engineer and manufacturing engineer of the project to provide the necessary documents and tools (Drawings, BOM, gages...)
·      Established and follows the Prototype builds planning.
·      Organizes Prototype productions in collaboration with production, PC&L, ME, PE, and quality teams.
·      Follow with the PE, GSM and PC&L the raw materials ordering and procurement.
·      Ensure the reception of components into the warehouse and provide systematic inventory after each build.
·      Implements the necessary documents to production (Flow chart, SWI, OCP…).
·      Resolve issues observed during prototype builds and focus on cost and quality optimization.
·      Participate in the definition of internal and external packaging.
·      Organize and prepare the parts to deliver for design validation.
·      Communicate the potential or proven risks in the development of the project.
·      Identify obstacles to the achievement of the objectives and eradicate them.
·      Comply to Healthy and Safety rules and standards.
·      Comply to company rules and procedures.
·      Perform activities relative to Company & Group needs.
·      Employee’s awareness of their impact on product quality and the importance of the activities in achieving, maintaining and improving quality, including customer requirements and the risks involved for the customer with non-conforming product

                                  Required qualifications:
a.    Education level
·      Engineering Degree in Mechanic and Structure
b.    Experience
·      Min. 2 years’ experience in the similar position
c.     Skills
·      Very good English
·      Project management skills
·      Expert Ability to read & interpret engineering drawings          
·      Very good FMEA process knowledge   
·      Good knowledge of MS Office              
·      Good APQP /PPAP Process Knowledge
·      Very good CSR knowledge in job area
·      IATF 16949 knowledge
·      Analytical thinking
d.    Training (based on the need)
·      CPI activities (APQP) according to CPI process map.
·      Problem solving methodology, Minitab, LabVIEW, Power BI, Excel for engineers,
·      FMEA, MSA, SPC, PPAP basics.
·      PDCA, 5Why, FTA, Ishikawa.
·      GD&T
·      Knowledge based on IATF 16949 and CSR.
·      Warehouse/Kanban, PLM basic, 3L5W, Training on cultural differences.
·       MSD, CPI,, 8D, Run off Book, HMI & PLC backup, introduction in Cognex & Keyence.

                       Corporate competencies:
·      Empowered to Act
·      Constructive Communication
·      Personal Growth
·      Passion for Perfect Quality
·      Clear and Timely Decisions
·      Integrity & Accountability
·      Customer Focus
·      Relentless Innovation
·      Collaborative Relationships

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