Supervisor, Prototyping

📍 Job Overview

Job Title: Supervisor, Prototyping

Company: MP Materials Corp.

Location: Fort Worth, TX, US

Job Type: Full Time

Category: Manufacturing Operations / GTM Operations

Date Posted: August 17, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Lead a team of technicians in a pilot-scale rare earth magnet manufacturing operation, focusing on transforming raw materials into finished magnets.

• Drive operational excellence by planning and managing resources to meet pilot plant production schedules and quality standards.

• Implement and refine manufacturing procedures, ensuring adherence to safety protocols and environmental regulations.

• Collaborate with Engineering, Maintenance, and Quality teams to identify and execute process improvement initiatives and corrective actions.

• Foster a culture of safety, efficiency, and continuous improvement within the prototyping team.

📝 Enhancement Note: While the job title is "Supervisor, Prototyping," the description clearly indicates a role overseeing a pilot-scale manufacturing operation for rare earth magnets. This role bridges traditional manufacturing supervision with elements of GTM operations by focusing on developing and refining production processes for new materials and technologies, essential for bringing advanced products to market. The emphasis on pilot-scale operations suggests a critical link in the GTM strategy for new product introduction and process validation.

📈 Primary Responsibilities

• Develop and manage daily/weekly work schedules for technicians, ensuring efficient labor allocation and on-time completion of pilot plant production milestones.

• Monitor labor efficiencies and proactively redeploy resources to maintain alignment with production schedules and project deadlines.

• Oversee manufacturing processes, ensuring strict adherence to product yield targets and quality control standards for rare earth magnets.

• Conduct performance evaluations, provide ongoing training, and manage hiring processes for technician staff to build a high-performing team.

• Author, update, and enforce production procedures and standard work instructions to guarantee consistent and safe operations.

• Operate and maintain pilot plant equipment, providing hands-on support for prototyping activities and occasional assistance with production operations.

• Partner with cross-functional teams including Engineering, Maintenance, and Quality to troubleshoot process deviations, implement root cause analysis, and deploy robust corrective and preventative actions (CAPA).

• Champion and enforce a clean, organized, and safe workplace environment, adhering to world-class health and safety standards.

• Collaborate closely with Environmental, Health, and Safety (EHS) departments to ensure full compliance with all relevant environmental regulations and safety policies.

📝 Enhancement Note: The responsibilities highlight a strong focus on operational execution, team management, and process adherence, which are core to manufacturing operations. The emphasis on "pilot-scale operation" and "developing advanced manufacturing technologies" suggests a role that is crucial for the GTM strategy of introducing new materials and products. This involves not just day-to-day management but also contributing to the validation and refinement of processes that will eventually scale up.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong foundation in manufacturing principles is expected. A degree in Engineering (e.g., Materials Science, Mechanical, Chemical) or a related technical field would be advantageous.

Experience: A minimum of 5 years of progressive experience in manufacturing operations, with a demonstrated track record of successfully leading and training technical teams.

Required Skills:

• Proven experience in manufacturing supervision, including scheduling and managing technician workflows.

• Strong aptitude for process monitoring, ensuring product yield and quality standards are consistently met.

• Expertise in managing and training employees, encompassing performance management and development.

• Meticulous attention to detail in all aspects of operations, from process execution to record-keeping.

• Demonstrated discipline in adhering to and enforcing safety practices and standard operating procedures.

• Ability to work autonomously while effectively collaborating within cross-functional teams (Engineering, Maintenance, Quality).

• Hands-on problem-solving skills with a proactive approach to identifying and resolving operational challenges.

• Capacity to thrive in a dynamic, fast-paced manufacturing environment and manage multiple competing priorities.

• Excellent written and verbal communication skills for clear reporting and team coordination.

• Proficiency in physical and electronic record-keeping for operational data and compliance. Preferred Skills:

• 10+ years of specialized experience in metal or ceramic manufacturing processes, including casting, powder metallurgy, heat treatments, machining, and surface finishing.

• Experience handling air-sensitive materials, crucial for advanced material processing.

• Demonstrated experience in strategic scheduling, prioritizing tasks, and delegating effectively to meet project milestones and production deadlines.

• Familiarity with lean manufacturing principles, 5S methodology, or other recognized process improvement frameworks.

📝 Enhancement Note: The combination of required and preferred skills points to a role that values both strong foundational manufacturing leadership and specialized technical knowledge in materials science and advanced manufacturing. The "5+ years" requirement aligns with a mid-level supervisory role, while the "10+ years" for preferred skills suggests that candidates with deeper domain expertise will be highly competitive, particularly those with experience in processes relevant to rare earth magnet production.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case studies demonstrating successful implementation of process improvements in a manufacturing setting, highlighting quantifiable improvements in yield, quality, or efficiency.

• Examples of developed or refined standard operating procedures (SOPs) or work instructions that enhanced safety, consistency, or productivity.

• Documentation showcasing experience with pilot-scale operations, including process validation, troubleshooting, and scale-up considerations.

• Evidence of effective team management, including examples of training programs developed or performance improvement initiatives led.

• Metrics-driven reports illustrating success in meeting production schedules, managing resources, and achieving quality targets. Process Documentation:

• Demonstrations of structured approaches to documenting manufacturing workflows, from raw material handling to finished product, with a focus on clarity and adherence.

• Examples of process deviation investigations, including root cause analysis and the implementation of corrective actions to prevent recurrence.

• Documentation of experience in maintaining and troubleshooting manufacturing equipment, including preventative maintenance schedules and repair logs.

📝 Enhancement Note: For a role focused on prototyping and pilot-scale manufacturing, a portfolio is crucial. It should not only showcase leadership and process management but also a deep understanding of the manufacturing lifecycle for new materials. Demonstrating experience with pilot runs, process validation, and the transition to scaled production will be highly valued, as it directly impacts the GTM strategy for new technologies.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a Manufacturing Supervisor with 5-10 years of experience in a specialized manufacturing environment in the Fort Worth, TX area, the estimated annual salary range is $75,000 - $105,000. This estimate accounts for the specialized nature of rare earth magnet production, the pilot-scale operational responsibilities, and the cost of living in the Dallas-Fort Worth metroplex.

Benefits:

• Comprehensive health, dental, and vision insurance plans.

• Retirement savings plan with company match (e.g., 401(k)).

• Paid time off (PTO), including vacation, sick leave, and holidays.

• Opportunities for professional development and continuous learning in advanced materials manufacturing.

• Potential for stock options or performance-based bonuses given the company's growth trajectory.

• Life insurance and disability coverage.

Working Hours: This is a full-time, on-site position. Standard working hours are typically 40 hours per week, with potential for overtime based on production demands and project timelines. Flexibility may be required to support pilot plant operations, which may involve varied shifts or weekend coverage, though standard hours are expected to be the norm.

📝 Enhancement Note: The salary range is an estimation based on typical compensation for manufacturing supervisors in Texas with 5-10 years of experience, considering the specialized nature of MP Materials' industry. Benefits are standard for full-time roles in manufacturing companies of this size and sector. The "working hours" detail reflects a typical full-time commitment with the understanding that operational needs might necessitate flexibility.

🎯 Team & Company Context

🏢 Company Culture

Industry: MP Materials operates in the critical materials and advanced manufacturing sector, focusing on rare earth elements essential for modern technologies like electrification, automation, and defense. They are a key player in rebuilding domestic industrial capabilities.

Company Size: MP Materials is a publicly traded company (NYSE: MP), indicating a significant operational scale and workforce, likely ranging from 500-1000 employees based on typical NYSE-listed industrial firms. This size suggests a structured but dynamic environment with opportunities for both established processes and rapid evolution.

Founded: MP Materials was founded in 2017, making it a relatively young company but one that has rapidly established itself as a critical supplier in the rare earth magnet market. This recent founding implies a forward-thinking, growth-oriented culture focused on innovation and expansion.

Team Structure:

• The direct team will consist of technicians responsible for pilot plant operations, reporting to this Supervisor.

• The Supervisor will likely report to a Manager or Director of Magnet Technology or Pilot Plant Operations.

• Collaboration will be extensive with Engineering (process development, R&D), Maintenance (equipment uptime), Quality Assurance (product standards), and EHS (safety and compliance). Methodology:

• Data-driven decision-making, emphasizing metrics for yield, efficiency, and quality in all manufacturing processes.

• Process optimization and continuous improvement, likely incorporating lean manufacturing principles and a focus on identifying bottlenecks and implementing solutions.

• Cross-functional collaboration to ensure alignment between R&D, production, and quality control.

• Strong emphasis on safety culture, with rigorous adherence to EHS protocols.

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

📝 Enhancement Note: Understanding MP Materials' mission to rebuild American industrial capability and their focus on "physical AI" is crucial. The culture is described as ambitious, mission-driven, and rooted in teamwork, resiliency, and integrity. For a supervisor role, this means contributing to a high-stakes environment where operational excellence directly supports national strategic goals.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-level supervisory position within manufacturing operations. It requires hands-on leadership and process oversight, serving as a critical link between technical staff and higher management. The focus on pilot-scale operations also offers exposure to new product development and process scaling.

Reporting Structure: The Supervisor will report to a senior operations leader (e.g., Operations Manager, Director of Magnet Technology) and will directly manage a team of technicians. This structure facilitates direct operational oversight and clear communication channels for day-to-day activities and strategic initiatives.

Operations Impact: The Supervisor's role is pivotal in ensuring the successful development and refinement of rare earth magnet manufacturing processes. This directly impacts MP Materials' ability to deliver critical components for next-generation technologies, influencing their market competitiveness and contribution to strategic industries. Efficient pilot operations are foundational to scaling up production and achieving GTM objectives for new magnet technologies.

Growth Opportunities:

• Advancement to roles such as Operations Manager, Production Manager, or specialized roles in Process Engineering or Quality Management within MP Materials.

• Development of expertise in advanced materials manufacturing, rare earth processing, and pilot plant operations, highly valuable in the growing advanced manufacturing sector.

• Opportunities to lead larger teams or more complex production lines as the company scales its magnet manufacturing capabilities.

• Potential to contribute to strategic decisions regarding process optimization, automation, and technology adoption.

📝 Enhancement Note: The growth trajectory for this role is strong, especially given MP Materials' mission and rapid evolution. The "Supervisor, Prototyping" title, combined with pilot-scale responsibilities, suggests a unique opportunity to be at the forefront of new manufacturing technology development within a company focused on critical national interests.

🌐 Work Environment

Office Type: This is an on-site role requiring the Supervisor to be present in the manufacturing facility. The environment will include both office space for administrative tasks, planning, and team management, as well as direct access to the pilot plant floor.

Office Location(s): Fort Worth, TX. Specific details about the facility's amenities and accessibility would be provided during the interview process.

Workspace Context:

• The workspace will be a blend of an office environment for planning, documentation, and meetings, and a manufacturing floor setting for direct oversight and hands-on involvement.

• Access to pilot plant equipment and technology will be integral to the daily work, requiring comfort and safety awareness in an industrial setting.

• Opportunities for direct interaction with technicians, engineers, maintenance staff, and quality personnel will be frequent, fostering a collaborative and dynamic work atmosphere.

Work Schedule: The primary work schedule is full-time (40 hours/week) on-site. While standard business hours are expected, the nature of pilot plant operations may necessitate flexibility to address urgent production needs, equipment issues, or project deadlines. This could occasionally involve extended hours or modified schedules to ensure continuous operations and timely project completion.

📝 Enhancement Note: The on-site nature of this role is critical. It requires a supervisor who is comfortable and effective in a hands-on manufacturing environment, directly engaging with both people and processes on the plant floor. The blend of office and floor work is typical for supervisory roles in manufacturing.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or a recruiter will conduct an initial phone screen to assess basic qualifications, experience, and cultural fit.

• Hiring Manager Interview: A more in-depth discussion with the hiring manager (e.g., Operations Manager) focusing on operational experience, leadership style, problem-solving abilities, and specific technical knowledge related to manufacturing processes.

• Team/Peer Interviews: Interviews with key team members, including technicians and potentially engineers or quality personnel, to evaluate collaboration skills and team dynamics.

• Skills Assessment/Case Study: A potential practical assessment or case study related to production scheduling, process troubleshooting, or safety scenario management. Candidates may be asked to present on a past process improvement project.

• Final Interview: May involve higher-level management or a panel interview to confirm suitability for the role and company culture.

Portfolio Review Tips:

• Highlight Process Improvement: Showcase specific examples of how you identified inefficiencies, implemented changes, and measured the positive impact on yield, quality, or cost. Use the STAR method (Situation, Task, Action, Result) for clear storytelling.

• Demonstrate Leadership: Provide examples of how you managed, trained, and motivated teams, especially during challenging periods or transitions. Quantify team performance improvements where possible.

• Detail Pilot-Scale Experience: If applicable, emphasize any experience with new process development, validation, or scaling. Explain your role in troubleshooting and optimizing unfamiliar processes.

• Showcase Safety Focus: Include examples of your commitment to safety, including initiatives you led or contributed to that improved workplace safety records.

• Quantify Achievements: Wherever possible, use numbers and data to illustrate your impact (e.g., "reduced cycle time by 15%", "improved yield by 5%", "trained 10 new operators").

Challenge Preparation:

• Process Optimization Scenario: Be prepared to analyze a hypothetical manufacturing process, identify potential issues, and propose solutions focusing on efficiency, quality, and safety.

• Team Management Scenario: Anticipate questions about handling underperforming employees, resolving team conflicts, or motivating a team to meet tight deadlines.

• Safety Protocol Discussion: Be ready to discuss your approach to ensuring safety compliance and responding to safety incidents.

• Technical Knowledge: Refresh your understanding of manufacturing principles, particularly those relevant to metal or ceramic processing if you have that background.

📝 Enhancement Note: The interview process will likely be rigorous, focusing on both leadership capabilities and a practical understanding of manufacturing operations. A well-prepared portfolio that clearly articulates achievements and demonstrates a hands-on approach will be critical for success.

🛠 Tools & Technology Stack

Primary Tools:

• Manufacturing Execution Systems (MES) / Production Tracking Software: For real-time monitoring of production, work-in-progress, and output.

• Enterprise Resource Planning (ERP) Systems: For inventory management, scheduling, and resource planning (e.g., SAP, Oracle, or industry-specific systems).

• Quality Management Systems (QMS): For tracking quality data, non-conformances, and corrective actions.

• Computerized Maintenance Management Systems (CMMS): For managing equipment maintenance schedules and work orders.

Analytics & Reporting:

• Spreadsheet Software (e.g., Microsoft Excel, Google Sheets): For data analysis, reporting, and basic process modeling.

• Business Intelligence (BI) Tools (e.g., Tableau, Power BI): Potentially used for creating dashboards and visualizing production KPIs.

• Statistical Analysis Software: For more advanced process control and data analysis.

CRM & Automation:

• While not a direct CRM role, understanding how production outputs feed into sales and supply chain systems (potentially managed by CRM or ERP) is beneficial.

• Familiarity with workflow automation tools for administrative tasks or process triggers within the manufacturing environment.

📝 Enhancement Note: While specific tools are not listed, a supervisor in this role would typically interact with systems common in modern manufacturing environments. Proficiency in Excel for data analysis is a must. Experience with MES, ERP, and CMMS systems is highly advantageous for effective operational management.

👥 Team Culture & Values

Operations Values:

• Operational Excellence: A commitment to achieving high standards in safety, quality, efficiency, and productivity in all manufacturing activities.

• Integrity: Upholding honesty and ethical conduct in all interactions, from team management to process execution.

• Resiliency: The ability to adapt to challenges, overcome obstacles, and maintain focus on objectives in a dynamic environment.

• Teamwork: Fostering a collaborative spirit where individuals support each other to achieve shared goals and contribute to the company's mission.

• Innovation: Encouraging creative problem-solving and a proactive approach to developing new processes and improving existing ones, especially in the context of prototyping.

Collaboration Style:

• Cross-Functional Integration: Actively working with Engineering, Maintenance, Quality, and EHS to ensure seamless operations and continuous improvement.

• Open Communication: Encouraging clear, direct, and respectful communication channels within the team and with external departments.

• Process-Oriented Feedback: Regularly discussing process performance, identifying areas for improvement, and collaboratively implementing solutions.

• Knowledge Sharing: Promoting an environment where technicians and supervisors share best practices, lessons learned, and technical insights.

📝 Enhancement Note: The company's stated values (teamwork, resiliency, integrity, operational excellence) are directly applicable to this supervisory role. A candidate who embodies these values and can foster them within their team will be a strong fit. The emphasis on "national purpose" also suggests a culture that values significant contributions to strategic industries.

⚡ Challenges & Growth Opportunities

Challenges:

• Pilot-Scale Complexity: Managing the inherent uncertainties and rapid changes associated with pilot plant operations, where processes are still being optimized and scaled.

• Team Development: Effectively training and motivating a team of technicians to meet high standards in a technically demanding and potentially hazardous environment.

• Balancing Production and Development: Juggling the demands of meeting production schedules with the ongoing need for process development, experimentation, and improvement.

• Resource Management: Optimizing the allocation of limited resources (labor, equipment, materials) to achieve multiple objectives simultaneously.

• Adherence to Strict Standards: Ensuring unwavering compliance with safety, environmental, and quality regulations in a mission-critical industry.

Learning & Development Opportunities:

• Advanced Materials Expertise: Deepen knowledge and practical skills in rare earth magnet manufacturing, powder metallurgy, and related advanced materials science.

• Process Scale-Up: Gain valuable experience in the critical transition from pilot-scale prototyping to full-scale industrial production.

• Leadership Development: Enhance supervisory and management skills through hands-on experience and potential company-sponsored training programs.

• Industry Exposure: Become an integral part of a company rebuilding essential U.S. manufacturing capabilities, offering a unique perspective on strategic industrial development.

📝 Enhancement Note: The challenges presented are typical for a role focused on innovation and new process development within manufacturing. Overcoming these challenges will provide significant opportunities for professional growth and skill enhancement.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to manage a production schedule with unforeseen challenges. How did you adapt, and what was the outcome?" (Focus on problem-solving, adaptability, and resourcefulness.)

• "How do you ensure your team consistently adheres to safety protocols and standard operating procedures? Provide specific examples." (Assess commitment to safety culture and process discipline.)

• "Walk us through a process improvement initiative you led or significantly contributed to. What was the problem, your approach, and the quantifiable results?" (Evaluate analytical skills, implementation capabilities, and impact measurement.)

• "How do you balance the needs of pilot-scale development with the demands of meeting production targets?" (Understand your approach to managing competing priorities in a dynamic environment.) Company & Culture Questions:

• "What interests you about MP Materials' mission to rebuild American industrial capability, and how does this role align with that?" (Gauge alignment with company vision and strategic importance.)

• "Describe your leadership style. How do you motivate and develop a team of technicians?" (Assess leadership approach and team-building capabilities.)

• "How do you foster a culture of continuous improvement and collaboration within your team and with other departments?" (Evaluate interpersonal and cross-functional collaboration skills.)

• "What is your experience with lean manufacturing or 5S principles, and how have you applied them?" (Understand your familiarity with efficiency methodologies.) Portfolio Presentation Strategy:

• Structure Your Case Studies: Use the STAR method for each example, clearly outlining the Situation, Task, Action, and Result.

• Quantify Your Impact: Always include metrics and data to demonstrate the tangible outcomes of your actions.

• Focus on Process and Problem-Solving: Highlight your ability to analyze, troubleshoot, and improve manufacturing processes.

• Showcase Leadership: Illustrate your ability to manage, train, and motivate teams effectively.

• Tailor to MP Materials: Emphasize any experience relevant to advanced materials, pilot operations, or strategic manufacturing initiatives.

📝 Enhancement Note: Preparing specific examples that align with MP Materials' mission and the challenges of pilot-scale manufacturing will be key. Demonstrating a proactive, data-driven, and safety-conscious leadership style will resonate well.

📌 Application Steps

To apply for this operations position:

• Submit your application through the ADP workforcenow portal linked.

• Resume Optimization: Tailor your resume to highlight experience in manufacturing supervision, team leadership, production scheduling, process improvement, and safety compliance. Use keywords from the job description and incorporate quantifiable achievements.

• Portfolio Preparation: Assemble a concise portfolio (or be ready to discuss specific examples) that showcases your experience in process optimization, team management, and successful project execution in manufacturing settings. Focus on case studies demonstrating problem-solving and measurable results.

• Company Research: Thoroughly research MP Materials' mission, products, and recent developments. Understand their role in the rare earth magnet industry and their commitment to rebuilding U.S. manufacturing.

• Interview Practice: Prepare to discuss your experience using the STAR method, focusing on scenarios relevant to manufacturing operations, team leadership, and process improvement. Practice articulating your leadership philosophy and how you approach challenges.

⚠️ 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.

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