Prototyping Engineer - Model Maker

📍 Job Overview

Job Title: Prototyping Engineer - Model Maker

Company: Meta

Location: Seattle, WA

Job Type: Full-Time

Category: Hardware Prototyping & Fabrication Operations

Date Posted: October 1, 2026

Experience Level: 6+ Years

Remote Status: On-site

🚀 Role Summary

• Drive hardware product development by rapidly creating functional and cosmetic prototypes through expert model making and fabrication.

• Specialize in advanced casting and molding techniques using silicones, polyurethanes, resins, and foams to produce critical prototype components.

• Collaborate closely with Industrial Design, Hardware Engineering, and R&D teams to iterate on complex hardware projects across Meta's diverse portfolio.

• Contribute to the continuous improvement and scaling of fabrication processes, including SOP development, tooling standardization, and workflow optimization.

📝 Enhancement Note: This role is highly specialized in physical prototyping, focusing on the tangible creation of hardware components. While not a traditional "Revenue Operations" or "Sales Operations" role, it is critical for the Go-To-Market (GTM) success of hardware products by enabling rapid iteration and validation of physical designs. The emphasis on process improvement and documentation aligns with operational excellence principles.

📈 Primary Responsibilities

• Complex Casting & Molding: Independently execute demanding casting and molding projects using silicones, urethanes, resins, and foams, ensuring precise mixing, degassing, casting, and curing to meet strict specifications.

• High-Fidelity Finishing: Apply advanced finishing techniques to cast prototypes, achieving rigorous cosmetic standards required for early design validation and presentation.

• Mold Design & Construction: Design and construct both 3D printed and traditional molds, including complex multi-part geometries, utilizing CAD software for adaptation and optimization.

• End-to-End Model Fabrication: Lead the creation of complete physical models from concept to finished product, integrating components from CNC machining, 3D printing, and 2D cutting, and performing scratch-building as needed.

• Soft Goods Prototyping: Rapidly explore and create cast soft components for wearable products, solving complex design and user experience challenges in collaboration with design and engineering teams.

• Parallel Iteration Management: Effectively manage multiple concurrent prototyping projects, prioritizing tasks based on impact, deadlines, and stakeholder needs to maintain fast design cycles.

• Process Improvement & Documentation: Research, test, and implement new materials and methods, developing standard tooling, Standard Operating Procedures (SOPs), and scalable workflows. Create clear teaching documentation for molding, casting, finishing, and material handling.

• Mentorship & Knowledge Sharing: Provide hands-on guidance and share best practices on core skills and lab safety with team members and contract staff, accelerating their ramp-up.

• Lab Operations & Organization: Maintain a clean, organized, and efficient fabrication lab, including managing inventory, ordering materials, and updating digital workflow and inventory records.

📝 Enhancement Note: The responsibilities highlight a deep dive into hands-on fabrication with significant ownership. The emphasis on "independently run the lab's most demanding casting and molding projects" and "own the hardest new problems" signifies a senior individual contributor role with a strong emphasis on specialist expertise. The inclusion of "partner with the Casting & Molding leads to raise the maturity of how the function runs" points to involvement in operational strategy for the fabrication lab itself.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in Fine Arts, Engineering, Design, Materials Science, or a related field, or equivalent practical experience. Experience:

• Minimum of 6 years of progressive experience in prototype fabrication, model making, or specialized casting and molding for hardware product development. Required Skills:

• Advanced Casting & Molding: Proven expertise in designing and constructing molds, and independently executing complex casting and molding projects in silicones, urethanes, resins, and foams.

• CAD Proficiency: Demonstrated skill using at least one major CAD tool such as Autodesk Fusion, NX, SolidWorks, or Rhino for mold design and model component adaptation.

• End-to-End Model Building: Ability to manage a model build from concept to completion, seamlessly integrating components from CNC machining, 3D printing, and 2D cutting.

• Core Model Making Skills: Mastery of high-quality finishing, part preparation, scratch building, color mixing, and comprehensive material knowledge.

• Lab Management Fundamentals: Experience in maintaining lab organization, managing materials inventory, and overseeing consumable ordering for a shared fabrication space.

• Project Management: Ability to work independently and collaboratively in a fast-paced prototyping environment, effectively managing multiple concurrent projects against hard deadlines.

• Material Knowledge: Strong understanding of various prototyping materials including silicones, polyurethanes, resins, and foams.

Preferred Skills:

• Specialized Finishing: Dedicated depth in paint and finishing, including surface preparation, coating, painting, and cosmetic finishing on plastics and metals to achieve various textures from high polish to fine matte.

• Advanced CAD: Advanced skills in Autodesk Fusion, particularly in designing complex molding solutions and parametric mold tooling beyond basic part modeling.

• Additional CAD/CAM/PDM: Exposure to other relevant software packages such as NX, TeamCenter, SolidWorks, Rhino, Materialise Magics, GrabCAD Print, 3D Sprint, or mold flow simulation.

• Specific Fabrication Techniques: Experience with silicone seaming/painting, extensive adhesives knowledge, injection molding, CNC mold construction, and manufacturing tooling, jigs, and fixtures.

• Process Documentation: Experience authoring SOPs, process documentation, or training materials for a fabrication lab environment.

• AI Integration: Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact, along with a strong understanding of responsible, ethical AI practices.

📝 Enhancement Note: The distinction between "Minimum" and "Preferred" qualifications is crucial. The minimum requirements emphasize core hands-on skills and foundational CAD/project management. Preferred qualifications point towards candidates who can immediately contribute to process maturity, advanced finishing, and potentially AI-driven workflow enhancements, indicating Meta's forward-thinking approach to fabrication operations.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrated Casting & Molding Expertise: Showcase detailed examples of complex mold designs and successful casting projects, highlighting material selection, process challenges, and final outcomes. Include before-and-after photos of parts and molds.

• End-to-End Project Case Studies: Present a minimum of 2-3 projects where you managed the entire model-making process from concept to finished physical model, detailing the integration of CNC, 3D printing, and other fabrication methods.

• CAD Proficiency Examples: Include screenshots or renders of complex mold designs created in Autodesk Fusion or other specified CAD software, demonstrating parametric design capabilities and problem-solving for manufacturability.

• Finishing & Cosmetic Standards: Provide high-resolution images of finished prototypes that meet rigorous cosmetic standards, illustrating your skills in sanding, part preparation, painting, and achieving specific surface textures.

Process Documentation:

• SOP Development Showcase: If available, include examples of Standard Operating Procedures, workflow diagrams, or training materials you have authored for fabrication processes, demonstrating your ability to standardize and scale operations.

• Material & Method Exploration: Document instances where you experimented with new materials or fabrication methods, detailing the testing process, results, and recommendations for adoption.

• Lab Organization Systems: Describe or visually represent any systems you've implemented for lab organization, inventory management, or digital workflow tracking.

📝 Enhancement Note: For this highly specialized fabrication role, the portfolio is paramount. It serves as direct evidence of practical skills that cannot be fully conveyed through a resume alone. Candidates should focus on showcasing their ability to solve complex physical problems and their understanding of process efficiency and documentation, which are key operational aspects of a model-making lab.

💵 Compensation & Benefits

Salary Range:

• $144,000 to $204,000 USD per year. Benefits:

• Performance Bonus: Annual bonus structure tied to individual and company performance.

• Equity: Stock options or grants as part of the total compensation package, reflecting ownership and long-term commitment.

• Comprehensive Health Insurance: Medical, dental, and vision insurance plans.

• Retirement Savings Plan: 401(k) or equivalent with potential company match.

• Paid Time Off: Generous vacation, sick leave, and paid holidays.

• Parental Leave: Paid leave for new parents.

• Professional Development: Opportunities for training, workshops, and conference attendance.

Working Hours:

• Standard 40-hour work week. Flexibility may be available based on project needs and team coordination, but the role is fundamentally on-site.

📝 Enhancement Note: The salary range provided is competitive for a senior-level Prototyping Engineer/Model Maker in a high-cost-of-living area like Seattle, especially within a major tech company like Meta. The inclusion of bonus and equity significantly increases the total compensation potential. The benefits package is standard for large tech firms, emphasizing comprehensive health and financial well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Social Media, Hardware Development, Artificial Intelligence.

Company Size: Large Enterprise (Meta has tens of thousands of employees globally).

Founded: 2004. Meta (formerly Facebook) has a long history of rapid innovation and scaling, with a significant and growing focus on hardware development across VR/AR, wearables, and AI-powered devices.

Team Structure:

• Proto Make Team: This specialized team operates within Meta's broader hardware organization, likely reporting into Hardware Engineering or Product Development leadership.

• Cross-Functional Collaboration: The role emphasizes close partnerships with Industrial Design, Hardware Engineering, and Research & Development teams, requiring strong communication and collaboration skills to translate abstract concepts into physical prototypes.

• Reporting: The Prototyping Engineer will likely report to a Lead or Manager within the Proto Make Team, who oversees lab operations and project assignments. Contract staff (CW) may also be present, requiring mentorship.

Methodology:

• Agile Prototyping: The team operates in a fast-paced, iterative environment, prioritizing speed and rapid feedback loops to inform design decisions and accelerate product timelines.

• Data-Driven Fabrication: While hands-on, the process improvement aspect suggests an approach focused on measuring outcomes, documenting best practices, and refining workflows for efficiency and quality.

• User-Centric Design: Prototyping efforts are ultimately aimed at creating "human-first technologies," implying a focus on user experience and form factor considerations in all physical creations.

Company Website: https://www.meta.com/

📝 Enhancement Note: Meta's culture is known for its fast pace, data-driven decision-making, and emphasis on impact. For this role, it means working on cutting-edge hardware, collaborating with world-class engineers and designers, and being part of a team that directly influences the physical manifestation of Meta's future products. The Proto Make Team's function is critical for de-risking hardware development early on.

📈 Career & Growth Analysis

Operations Career Level: Senior Individual Contributor (IC) - Specialist. This role is for an experienced professional who is expected to operate with a high degree of autonomy and possess deep technical expertise in their craft.

Reporting Structure: Reports to a Lead or Manager within the Proto Make Team, with frequent interaction and collaboration across multiple engineering and design disciplines.

Operations Impact: The Prototyping Engineer's work directly impacts the speed and quality of hardware product development. By providing rapid, high-fidelity prototypes, they enable faster design iterations, better validation of form and function, and ultimately, a more refined and successful product launch. This role is foundational to the GTM strategy for hardware.

Growth Opportunities:

• Technical Specialization: Deepen expertise in advanced molding, casting, finishing, and material science, potentially becoming a subject matter expert within Meta's hardware organization.

• Process Leadership: Transition into roles focused on scaling fabrication operations, leading SOP development, managing lab resources, or driving strategic improvements in prototyping workflows.

• Cross-Functional Influence: Grow influence by working on a wider range of projects and technologies, becoming a go-to resource for complex fabrication challenges across different product teams.

• AI Integration Specialization: Develop expertise in applying AI tools to optimize fabrication processes, potentially leading initiatives in this emerging area.

• Team Lead/Management: With proven leadership in process improvement and mentorship, potential pathways to team lead or management positions within fabrication or broader product development operations.

📝 Enhancement Note: While not a traditional "operations" role in the sense of CRM or MarTech, this position offers significant growth within hardware product development operations. The emphasis on process improvement, documentation, and mentorship creates clear pathways for career advancement into leadership and strategic operational roles within Meta's hardware ecosystem.

🌐 Work Environment

Office Type: This is an on-site role requiring hands-on work within a dedicated fabrication lab.

Office Location(s): Seattle, WA. This location offers access to a vibrant tech ecosystem and potentially state-of-the-art lab facilities.

Workspace Context:

• Fabrication Lab: The primary workspace will be a well-equipped fabrication lab containing specialized tools for molding, casting, finishing, CNC machining, 3D printing, and potentially other manufacturing processes.

• Collaborative Environment: The role necessitates close proximity and interaction with other engineers, designers, and technicians in a shared lab space.

• Tools & Technology: Access to industry-standard CAD software, fabrication machinery, and a wide array of prototyping materials.

Work Schedule:

• A standard 40-hour work week is expected. While some flexibility might be possible for scheduling, the hands-on nature of the work and the need for collaboration with teams on tight deadlines mean consistent on-site presence is critical.

📝 Enhancement Note: The "on-site" requirement is non-negotiable for this role due to the physical nature of model making and the need for access to specialized equipment and materials. The work environment is hands-on, collaborative, and centered around a functional fabrication lab.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will review applications, focusing on experience alignment and key skills.

• Technical Screening/Interview: Expect a conversation with a hiring manager or senior team member to assess your technical expertise in casting, molding, CAD, and model making. They will likely ask about specific projects and challenges you've faced.

• Portfolio Review: A dedicated session where you will present your portfolio. This is a critical stage to showcase your work, explain your process, and demonstrate the impact of your contributions. Be prepared to discuss your problem-solving approach for each project.

• On-site/Virtual Interview Loop: This typically involves meeting with several team members, including potential collaborators from Industrial Design, Engineering, and other Prototyping Engineers. Questions will cover technical skills, problem-solving, collaboration, and cultural fit.

• Final Interview: Potentially with a higher-level manager or director to discuss strategic alignment and overall fit.

Portfolio Review Tips:

• Curate Select Projects: Choose 3-5 of your most impactful projects that best showcase your expertise in casting, molding, and end-to-end model making.

• Detail the Process: For each project, clearly articulate the problem statement, your design and fabrication process, the materials and tools used, challenges encountered, and how you overcame them.

• Highlight Impact: Quantify results where possible (e.g., "reduced iteration time by X days," "achieved Y cosmetic standard"). If not quantifiable, focus on the design decisions enabled by your prototype.

• Visual Storytelling: Use high-quality photos and videos of your work in progress and the final results. Show details of molds, casting processes, and finished parts.

• CAD Walkthrough: Be prepared to briefly walk through a complex mold design in your CAD software, explaining your design choices.

• AI Integration (If Applicable): If you have used AI to optimize workflows or redesign processes, have specific examples and metrics ready to share.

Challenge Preparation:

• Fabrication Scenario: You might be presented with a hypothetical design challenge and asked to outline your approach to prototyping it, including material choices, fabrication methods, and potential challenges.

• Problem-Solving: Be ready to discuss how you troubleshoot issues during the fabrication process (e.g., air bubbles in casting, mold sticking, surface defects).

• Process Improvement: Prepare to discuss how you would approach documenting a new process or improving an existing one for scalability and efficiency.

📝 Enhancement Note: The interview process heavily emphasizes practical demonstration of skills through a portfolio. Candidates should prepare to walk through their projects in detail, explaining not just what they did, but why and how, showcasing their problem-solving methodology and understanding of operational efficiency within a prototyping context.

🛠 Tools & Technology Stack

Primary Tools:

• CAD Software: Autodesk Fusion (primary), NX, SolidWorks, Rhino. Proficiency in at least one is required, with advanced Fusion skills being a significant plus.

• Fabrication Machinery: CNC machines, 3D printers (various technologies), laser cutters, vacuum formers, lathes, mills.

• Molding & Casting Materials: A wide array of silicones, polyurethanes, epoxies, resins, foams, and associated release agents and additives.

• Finishing Tools: Sanders, grinders, spray guns, paint booths, polishing equipment, hand tools.

Analytics & Reporting:

• Project Management/Tracking Tools: Internal Meta tools for managing project timelines, tasks, and resource allocation.

• Digital Workflow & Inventory Records: Systems for tracking materials, tool usage, and project status.

CRM & Automation:

• Not directly applicable to this role in the traditional sense, but familiarity with digital asset management or version control systems for CAD files might be beneficial.

📝 Enhancement Note: This role requires deep technical proficiency with a specific set of physical fabrication tools and digital design software. The emphasis on Autodesk Fusion suggests it's the primary CAD environment for the team, making experience here highly valuable.

👥 Team Culture & Values

Operations Values:

• Speed & Iteration: A core value is the rapid iteration of ideas into tangible prototypes to accelerate the product development lifecycle.

• Quality & Precision: Maintaining high standards for both cosmetic and functional fidelity in all fabricated parts.

• Collaboration & Teamwork: Working effectively with diverse teams (Design, Engineering, R&D) to achieve shared goals.

• Problem-Solving & Innovation: A proactive approach to identifying and solving complex fabrication challenges, exploring new materials and methods.

• Process Improvement & Documentation: Commitment to refining workflows, documenting best practices, and contributing to the scalability of the fabrication function.

• Safety & Responsibility: Adhering to strict lab safety protocols and responsible material handling.

Collaboration Style:

• Hands-On & In-Person: The nature of the work requires significant direct collaboration within the lab and with cross-functional teams in person.

• Feedback-Oriented: Openness to receiving and providing constructive feedback on designs and fabrication processes.

• Knowledge Sharing: A culture of sharing expertise, techniques, and learnings to elevate the entire team's capabilities.

📝 Enhancement Note: Meta's culture often emphasizes a bias for action and a results-oriented approach. For this team, it translates to a fast-paced, collaborative environment where individuals are expected to contribute significantly and proactively improve processes.

⚡ Challenges & Growth Opportunities

Challenges:

• Rapid Pace & Shifting Priorities: Managing multiple high-priority projects simultaneously in a dynamic environment where project requirements can change quickly.

• Complex Technical Problems: Tackling novel fabrication challenges for new product categories (e.g., advanced wearables, robotics) that may push the boundaries of current materials and techniques.

• Scaling Processes: Developing robust, repeatable processes from experimental methods that can be adopted by a growing team or used for higher-volume prototyping needs.

• Integrating New Technologies: Staying current with advancements in additive manufacturing, materials science, and potentially AI-driven design/fabrication tools.

Learning & Development Opportunities:

• Advanced Material Science: Opportunities to work with and learn about cutting-edge materials for prototyping.

• New Fabrication Techniques: Exposure to and training on emerging manufacturing technologies and processes.

• Cross-Functional Learning: Deepen understanding of Industrial Design principles, Hardware Engineering challenges, and R&D roadmaps.

• Process Optimization Training: Development in areas like Lean Manufacturing, Six Sigma, or specific documentation best practices.

• AI Application in Fabrication: Potential to lead or contribute to initiatives exploring AI's role in optimizing prototyping workflows.

📝 Enhancement Note: This role presents a unique opportunity to work at the forefront of hardware prototyping. The challenges are significant but directly tied to opportunities for learning and professional growth in specialized technical and operational areas.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to achieve a very high cosmetic finish on a cast part. What was your process, and what challenges did you overcome?" (Focus on detailing steps, materials, and problem-solving).

• "Walk us through a complex mold design you created in CAD. What were the key considerations for manufacturability and demolding?" (Be ready to discuss parametric design and specific features).

• "How would you approach prototyping a flexible, soft-touch component for a wearable device? What materials and techniques would you consider?" (Demonstrate knowledge of soft goods prototyping).

• "Imagine a new material or process is introduced to the lab. How would you go about evaluating it, documenting it, and potentially creating an SOP for its use?" (Highlight your process improvement and documentation methodology).

• "Describe a situation where you had to manage multiple competing prototyping priorities with tight deadlines. How did you prioritize and communicate?" (Showcase project management and communication skills). Company & Culture Questions:

• "Why are you interested in working at Meta, specifically in hardware prototyping?" (Connect your passion for fabrication with Meta's hardware ambitions).

• "How do you stay updated on new materials, fabrication techniques, and industry trends?" (Demonstrate continuous learning).

• "Describe your experience working collaboratively with Industrial Designers and Hardware Engineers. How do you translate their feedback into physical prototypes?" (Highlight cross-functional communication and collaboration). Portfolio Presentation Strategy:

• Structure: Organize your presentation logically by project. For each, cover: Problem/Goal -> Your Approach (Design, Materials, Process) -> Challenges & Solutions -> Final Outcome/Impact.

• Visuals are Key: Use high-resolution images and short videos. Show details of tooling, casting, and finishing.

• Narrate Your Expertise: Explain why you made certain choices. This demonstrates your thought process and depth of understanding.

• Be Ready for Deep Dives: Anticipate questions about specific technical details, material properties, or CAD functionalities.

• Highlight AI Use (If Applicable): If you've used AI, clearly explain the tool, the problem it solved, and the measurable outcome (e.g., "Used AI to optimize mold cooling channels, reducing cycle time by 15%").

📝 Enhancement Note: Preparation should focus on articulating technical processes clearly, demonstrating problem-solving skills with concrete examples, and showcasing an understanding of how prototyping fits into the broader product development and GTM strategy. The portfolio is the central piece of evidence.

📌 Application Steps

To apply for this Prototyping Engineer position:

• Submit your application through the Meta Careers portal.

• Tailor Your Resume: Highlight experience with casting, molding, specific CAD software (especially Autodesk Fusion), model making, and any process improvement or documentation contributions. Use keywords from the job description.

• Curate Your Portfolio: Prepare a digital portfolio (PDF or website) that showcases your best work, focusing on complex projects, end-to-end builds, and high-fidelity finishes. Ensure it's easily accessible and well-organized.

• Practice Your Presentation: Rehearse presenting your portfolio projects, focusing on clarity, conciseness, and highlighting your problem-solving approach and impact.

• Research Meta's Hardware: Familiarize yourself with Meta's current and upcoming hardware products (Quest, Ray-Ban Meta glasses, Portal, etc.) to better understand the context of the prototyping work.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.