Prototyping Engineer - Casting and Molding
Meta
Sunnyvale, CA, USA
USD 111k-164k / year + Equity
Posted on Oct 4, 2025
Prototyping Engineer - Casting and Molding
Sunnyvale, CA • Full Time
Meta
AR/VR
Engineering
Hardware
Operations
Meta Reality Labs supports its goal of connecting the world by building various products, including Reality Labs devices. Many of these products are custom designed for our requirements and integrate advanced technologies. We are seeking a Prototype Engineer/Mold designer and to join our state-of-the-art mechanical prototyping facility. This role will be responsible for designing and producing molds using 3D printed and machined tools, DFAM, automation of mold making processes, working with designer/engineers to debug designs, assembly work, and so on. Our products utilize a variety of materials ( plastics, hard metals and silicones) and processes, offering continuous challenges to grow your skills. The prototyping facility includes advanced 3D Printers, 5-axis and 3-axis CNC machine tools, laser cutting, waterjet cutting, Injection molding and manual machine tools. The Prototype Engineer is responsible for the safe setup, operation, and maintenance of this equipment, including tooling, fixture specification and procurement. This position will work closely with the mechanical engineering team to solve design and manufacturing issues. We move fast and are looking for a person who is excited to find the fastest, most efficient ways to go from CAD models to finished parts.
Prototyping Engineer - Casting and Molding Responsibilities
- CAD design of 3D printed/injection molds
- Automation of internal niche processes
- 3D printer/Injection mold machine setup, operation and maintenance
- Interact with design engineers on part functionality, advise on the part suitability for production
- Clear communication of timelines and expectations to other groups within Meta
- Improve the systems and tools we rely on via continuous improvement
- Responsible for part quality and inspection
- Ensuring that machines are properly maintained, that material supplies are adequate and that the shop is operated in a safe and workmanlike manner
Minimum Qualifications
- 5+ years of experience in a prototyping environment with advanced 3D printers, injection molding systems and Computer Numerical Control (CNC) machine tools
- Hands on experience running industrial 3D printers
- Skills in Computer-Aided Design software (Autodesk Fusion, Siemens NX, Solidworks, Rhino, Python, Grasshopper, Cimatron, Magics, etc.)
- Skilled in prototyping of complex electro-mechanical assemblies and familiar with typical shop tools
- Computer skills and knowledge to pick-up new software quickly and efficiently. Focus around software used in designing and building things
- Proven experience of proactively identifying, scoping and implementing novel solutions in the rapid prototyping space
- Bachelors degree in relevant design/engineering field
- Experience in SW Eng and coding basics with a manufacturing and automation focus
- Ability to work in team environment and manage technicians on day to day responsibilities
Preferred Qualifications
- Experience taking products from concept through to functional prototype or production
- Exposure to code management and software engineering basics
- Experience with other technologies used in a modern digital prototyping lab, including CNC, laser cutting, injection molding, EDM and water jet
- Experience using 3D printing in a regulated industries such as consumer products, automotive, aerospace or medical
- Broad experience in 3D printing technologies and applications
For those who live in or expect to work from California if hired for this position, please click here for additional information.
About Meta
Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics.
$111,000/year to $164,000/year + bonus + equity + benefits
Individual compensation is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base hourly rate, monthly rate, or annual salary only, and do not include bonus, equity or sales incentives, if applicable. In addition to base compensation, Meta offers benefits. Learn more about benefits at Meta.
Equal Employment Opportunity
Meta is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. You may view our Equal Employment Opportunity notice here.
Meta is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, fill out the Accommodations request form.
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