Prototyping Engineer

📍 Job Overview

Job Title: Prototyping Engineer

Company: Corning

Location: Keller, TX, United States

Job Type: Full-Time

Category: Engineering / Operations

Date Posted: November 3, 2026

Experience Level: 3-5 Years

🚀 Role Summary

• This role is a critical component of Corning's Optical Communications segment, focusing on the design, development, and coordination of prototypes for advanced optical connectivity solutions.

• The Prototyping Engineer will be deeply involved in hands-on prototype build activities, process development, and technical troubleshooting within a low-volume, R&D-oriented environment.

• This position requires close collaboration with a cross-functional team, including engineers, technicians, Quality, Supply Chain, and Manufacturing, to translate product and customer needs into tangible prototype designs and build plans.

• The engineer will contribute to the entire prototype lifecycle, from initial concept and material selection to assembly, testing, and eventual handoff to technology transfer or manufacturing operations.

📝 Enhancement Note: While the role is titled "Prototyping Engineer," its responsibilities and collaborative nature align closely with a junior to mid-level Operations Engineering or R&D Engineering role focused on product realization and process development. The emphasis on hands-on building, troubleshooting, and process improvement places it within the broader operational excellence domain.

📈 Primary Responsibilities

• Design, build, and coordinate prototypes for optical connectivity solutions, including fiber optic connectors and cable assemblies, under the guidance of senior team members.

• Develop detailed prototype designs, comprehensive build plans, accurate bills of materials (BOMs), clear work instructions, and robust process documentation.

• Execute technical work on prototype builds and process development trials, leading smaller projects and actively supporting larger, more complex initiatives.

• Provide direct technical guidance to technicians, troubleshoot build-related issues, and clarify process requirements, escalating complex challenges to senior engineering staff.

• Support the continuous development and improvement of manufacturing processes for fiber optic components and assemblies, aiming for enhanced quality, efficiency, and reliability.

• Coordinate and manage essential resources for prototype builds, including materials, tooling, fabrication services, equipment, and supplier activities, ensuring adherence to timelines.

• Design and refine fixtures, tooling, and workstations to enhance quality, safety, ergonomics, and process consistency, with oversight from senior engineers.

• Collect, analyze, and report on prototype build data, inspection results, testing outcomes, yield metrics, and defect rates to identify areas for improvement.

• Participate in and lead root-cause analysis for technical issues, developing and implementing corrective actions for straightforward problems.

• Provide crucial design-for-manufacturability (DFM), design-for-assembly (DFA), design-for-testability (DFT), and design-for-reliability (DFR) feedback to product and technology development teams.

• Assist global manufacturing teams in assessing manufacturability, supporting technology transfer initiatives, and facilitating initial process implementations.

• Cultivate and maintain strong relationships with internal subject matter experts and external fabrication, tooling, equipment, supplier, and contract manufacturing resources.

• Document prototype outcomes, capture customer feedback, identify technical risks, and contribute to the identification of potentially patentable innovations.

📝 Enhancement Note: The responsibilities highlight a strong focus on the "early-stage" operations and manufacturing readiness of new products. This includes not only the physical creation of prototypes but also the foundational process development, documentation, and feedback loops essential for a smooth transition to scaled manufacturing.

🎓 Skills & Qualifications

Education:

• Bachelor of Science (BS) in Mechanical Engineering. Experience:

• 3-5 years of experience in a development, experimental laboratory, manufacturing, or comparable environment, with a focus on electrical/mechanical assembly and testing.

• Relevant internships, co-op experiences, research projects, or academic projects will be considered to fulfill experience requirements. Required Skills:

• Strong mechanical aptitude and a demonstrated ability to apply structured problem-solving methodologies to complex technical challenges.

• Proven ability to learn, document, troubleshoot, and improve precision assembly or manufacturing processes.

• Competence in interpreting technical drawings, specifications, tolerances, bills of materials (BOMs), travelers, and test or inspection data, or a strong aptitude and willingness to develop these skills rapidly.

• Excellent technical communication skills, enabling clear articulation of ideas through written documentation, presentations, and direct interaction with diverse technical teams.

• Experience in collaborating with technicians, engineers, and cross-functional stakeholders in a project-driven environment.

• Foundational understanding of manufacturing or assembly principles. Preferred Skills:

• Proficiency in CAD design software for product development or manufacturing process design, with a preference for ProE/Creo, or experience with other 3D CAD systems and a willingness to learn.

• Ability to interpret existing engineering drawings and schematics, and a foundational ability to generate new ones.

• Basic familiarity with fiber optic theory, principles, and applications, or a strong demonstrated interest and aptitude for learning this domain.

• Exposure to project management tools and methodologies, including scheduling, task management, and progress tracking.

• Demonstrated ability to collaborate effectively across organizational boundaries and contribute positively to a technical culture.

• Experience with discrete assembly processing and understanding of its nuances.

• Practical experience in developing processes and defining operational parameters, gained through coursework, internships, or laboratory work.

• Experience collaborating with internal and external designers and fabricators.

📝 Enhancement Note: The qualifications emphasize a blend of core mechanical engineering principles, practical hands-on experience, and the ability to learn and adapt to specialized areas like fiber optics and advanced manufacturing processes. The preference for CAD skills and fiber optics knowledge indicates a need for candidates who can contribute to both design refinement and technical understanding.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Process Improvement Case Studies: Showcase examples of how you've analyzed, documented, and improved existing manufacturing or assembly processes, highlighting quantifiable results such as increased yield, reduced cycle time, or improved quality.

• Prototype Development Examples: Include documentation or visuals of prototypes you've designed, built, or significantly contributed to, detailing the design process, materials used, assembly challenges, and testing outcomes.

• Technical Documentation Samples: Provide examples of work instructions, process documentation, test procedures, or data analysis reports that demonstrate your ability to clearly and accurately convey technical information.

• Problem-Solving Frameworks: Illustrate your structured approach to troubleshooting and root-cause analysis, perhaps through a case study that outlines the problem, your methodology, findings, and implemented solutions.

Process Documentation:

• Demonstrated ability to create clear, concise, and accurate work instructions for assembly and testing procedures.

• Experience in developing and maintaining process documentation that supports quality control and knowledge transfer.

• Familiarity with documenting process parameters, acceptance criteria, and inspection methods for new product introductions or process improvements.

📝 Enhancement Note: For this role, a portfolio should focus on demonstrating practical engineering skills, process-oriented thinking, and the ability to translate theoretical knowledge into tangible outcomes. Emphasis should be placed on hands-on experience with physical product development and process refinement, supported by clear documentation and data.

💵 Compensation & Benefits

Salary Range: $85,304.00 - $117,293.00 USD per year (assuming full-time status).

• The starting salary will be determined by various job-related factors, including but not limited to geographic location, market demands, candidate experience, training, and educational background. Benefits:

• Retirement:

  • 100% company-paid pension benefit with fixed contributions that grow with career tenure.
  • Matching contributions to a 401(k) savings plan.
  • Total company contributions to retirement accounts can range from 7% to 12% of pay, depending on age and years of service.

• Health & Wellness:

  • Comprehensive medical, dental, and vision insurance plans.
  • Paid parental leave and family-building support.
  • Fitness program support.
  • Company-paid life insurance and disability coverage.
  • Disease management programs.
  • Employee Assistance Program (EAP) for personal and family support.

• Time Off:

  • Paid time off (PTO).

• Financial & Performance Incentives:

  • Company-wide bonuses and long-term incentives aligned with key business results.

  • Recognition program to celebrate successes and reward exceptional contributions. Working Hours:

• Approximately 40 hours per week, typical for a full-time on-site engineering role. Flexibility may be available based on project needs and team coordination, but the core expectation is a standard work week.

📝 Enhancement Note: The salary range provided is specific to the US market and the "Keller, TX" location. Based on industry benchmarks for a Prototyping Engineer with 3-5 years of experience in a materials science and manufacturing-focused company like Corning, this range appears competitive for the specified experience level and geographic area. The extensive benefits package, particularly the company-paid pension and robust 401(k) matching, is a significant differentiator and reflects Corning's commitment to employee long-term financial well-being.

🎯 Team & Company Context

🏢 Company Culture

Industry: Materials Science, Advanced Materials, Optical Communications, Technology Manufacturing.

Company Size: Large Enterprise (Corning is a global leader with thousands of employees).

Founded: 1851. Corning has a long and rich history of innovation, particularly in glass, ceramics, and materials science. This legacy fosters a culture that values scientific discovery, engineering excellence, and long-term investment in technology.

Team Structure:

• The Prototyping Engineer will be part of a dedicated, low-volume prototype team within the Optical Communications segment.

• This team operates in a development-oriented setting, closely integrated with R&D, product management, and engineering functions.

• Collaboration is expected with technicians, senior engineers, quality assurance specialists, supply chain managers, manufacturing engineers, and potentially external suppliers and contract manufacturers.

• The role involves working alongside senior team members and interacting with customers, often facilitated by project leads or senior engineers. Methodology:

• Data-Driven Development: Emphasis on collecting and analyzing prototype build, inspection, and test data to inform design and process decisions.

• Structured Problem-Solving: Application of systematic approaches to identify root causes and implement corrective actions.

• Design for Excellence: Integration of Design for Manufacturability (DFM), Assembly (DFA), Testability (DFT), and Reliability (DFR) principles early in the development process.

• Agile Prototyping: While not explicitly stated as "Agile," the low-volume, development-oriented nature suggests an iterative approach to prototype development and process refinement.

• Cross-Functional Collaboration: A core methodology involves seamless interaction and knowledge sharing across various departments and with external partners.

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

📝 Enhancement Note: Corning's long history and focus on materials science suggest a culture that values deep technical expertise, rigorous engineering practices, and a commitment to innovation. The Optical Communications segment's evolution indicates a dynamic environment focused on growth and adapting to market demands, where prototyping plays a crucial role in bringing new solutions to market.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as an entry to mid-level engineering position (3-5 years of experience). It offers a strong foundation in product realization, process development, and hands-on engineering within a specialized field.

Reporting Structure: The Prototyping Engineer will report to a senior engineering lead or manager within the prototyping or R&D team. They will work closely with technicians and collaborate with engineers and project leads from various departments.

Operations Impact: The Prototyping Engineer directly impacts the speed and success of new product introductions within the Optical Communications segment. By creating functional prototypes, identifying manufacturability challenges early, and refining assembly processes, they contribute significantly to:

• Reducing time-to-market for new optical connectivity solutions.

• Improving the quality and reliability of initial product designs.

• Lowering manufacturing ramp-up costs and risks by providing robust process feedback.

• Enabling Corning to stay at the forefront of optical technology by rapidly testing and iterating on innovative concepts. Growth Opportunities:

• Technical Specialization: Develop deep expertise in fiber optic connectivity, advanced materials, precision assembly techniques, and prototyping methodologies.

• Process Engineering Advancement: Progress into roles focused on manufacturing process engineering, NPI (New Product Introduction) engineering, or continuous improvement within the Optical Communications segment or other Corning divisions.

• Design Engineering Progression: With a strong understanding of manufacturing realities gained through prototyping, candidates may transition into roles focused on product design and development, leveraging their DFM/DFA insights.

• Project Management: Gain experience in project coordination and execution, potentially leading to project management roles for R&D or NPI initiatives.

• Cross-Divisional Mobility: Corning's diverse business units offer opportunities to apply and expand engineering skills across different material science applications.

📝 Enhancement Note: This role serves as an excellent stepping stone for engineers looking to build a career in product realization and manufacturing readiness. The hands-on nature combined with cross-functional collaboration provides a holistic view of the product lifecycle, preparing individuals for more specialized or leadership roles within operations and engineering.

🌐 Work Environment

Office Type: This is an on-site role, primarily based in a laboratory or development workshop environment where prototypes are designed, built, and tested.

Office Location(s): Keller, TX. This location is within the Dallas-Fort Worth metroplex, offering access to a robust industrial and technological ecosystem.

Workspace Context:

• Hands-On Environment: The workspace will involve direct interaction with tools, equipment, materials, and assembly processes for optical components.

• Collaborative Hub: Expect a dynamic environment where engineers, technicians, and other stakeholders frequently interact to discuss designs, troubleshoot issues, and coordinate builds.

• Access to Technology: The role will involve using CAD software, potentially test equipment, and standard office productivity tools. Access to prototyping equipment, fabrication services, and specialized machinery relevant to optical assembly will be key.

• Safety Focus: Adherence to safety protocols and ergonomic considerations will be paramount in the workshop setting.

Work Schedule:

• The standard work schedule is expected to be around 40 hours per week.

• While a regular schedule is typical, there may be periods requiring flexibility to meet critical project deadlines or accommodate urgent prototype needs. This flexibility is common in R&D and prototyping environments.

📝 Enhancement Note: The on-site nature of this role is critical for the hands-on aspects of prototyping and direct collaboration with technicians. The Keller, TX location suggests access to a skilled workforce and a supportive business environment for technology and manufacturing companies.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Application review, potentially followed by a brief phone screen with HR or a recruiter to assess basic qualifications and interest.

• Technical Interview(s): In-depth discussions with hiring managers and senior engineers. These will likely focus on:

  • Your understanding of mechanical engineering principles and their application to assembly and manufacturing.
  • Your approach to problem-solving and troubleshooting.
  • Your experience with CAD, technical drawings, and documentation.
  • Your familiarity with prototyping and process development concepts.
  • Behavioral questions assessing collaboration, communication, and adaptability.

• Portfolio Review: Candidates will likely be asked to present and discuss specific projects from their portfolio, demonstrating their contributions, technical skills, and problem-solving capabilities.

• On-Site/Virtual Tour & Team Interaction: An opportunity to see the lab/workshop environment and meet potential team members.

• Final Interview: May involve senior leadership or key stakeholders to assess overall fit and strategic alignment.

Portfolio Review Tips:

• Focus on Relevance: Select projects that best showcase your experience in mechanical assembly, prototyping, process development, and problem-solving, particularly any related to electronics, optics, or precision manufacturing.

• Quantify Impact: For each project, clearly articulate the problem you addressed, your specific role and actions, the solutions you implemented, and the quantifiable results achieved (e.g., efficiency gains, defect reduction, performance improvements).

• Showcase Process: Detail your approach to designing, building, testing, and iterating on prototypes. Highlight your documentation skills (work instructions, BOMs, test plans).

• Explain Technical Choices: Be prepared to discuss the rationale behind your design decisions, material selections, and process choices.

• Demonstrate Problem-Solving: Use case studies to illustrate your structured approach to troubleshooting and root-cause analysis.

• Visuals are Key: Use diagrams, photos, CAD renderings, or short videos where appropriate to visually explain your work.

Challenge Preparation:

• Technical Problem-Solving Exercise: You might be given a hypothetical scenario or a design problem to solve, requiring you to outline your approach, identify key considerations, and propose solutions.

• Process Improvement Scenario: You could be asked to analyze a described assembly process and suggest improvements for efficiency, quality, or ergonomics.

• CAD/Drawing Interpretation: You may need to interpret a technical drawing or a simple CAD model and answer questions about its specifications or manufacturability.

• Root-Cause Analysis Practice: Prepare to walk through a past troubleshooting experience, detailing how you identified the root cause of an issue.

📝 Enhancement Note: The emphasis on a portfolio and potential technical challenges suggests that Corning values practical, demonstrated skills and a structured engineering mindset. Candidates should be prepared to articulate their contributions and problem-solving methodologies in detail.

🛠 Tools & Technology Stack

Primary Tools:

• CAD Software: ProE/Creo (preferred), or other 3D CAD software (e.g., SolidWorks, Inventor) for designing parts, fixtures, and assembly layouts.

• Technical Drawing & Documentation Software: Tools for generating and interpreting engineering drawings, specifications, and tolerances.

• Microsoft Office Suite: Word, Excel, PowerPoint for documentation, data analysis, and presentations. Excel will be particularly important for data collection and basic analysis.

• Project Management Tools: Potentially exposure to tools like MS Project, Asana, Jira, or similar for tracking tasks and schedules, though not explicitly stated as a requirement.

Analytics & Reporting:

• Data Analysis Tools: Excel for data manipulation, basic statistical analysis, and charting. Familiarity with more advanced statistical software (e.g., Minitab) is a plus.

• Reporting Tools: PowerPoint and Word for presenting findings and documenting results.

CRM & Automation:

• While not a direct CRM or automation role, understanding how prototypes feed into manufacturing processes which are then managed by these systems can be beneficial. Familiarity with concepts of automated assembly or testing equipment would be advantageous.

📝 Enhancement Note: The technology stack is focused on design, documentation, and data analysis essential for prototyping and early-stage manufacturing development. Proficiency in CAD and strong data handling skills in Excel are key. Exposure to optical-specific tools or data analysis software would be a significant plus.

👥 Team Culture & Values

Operations Values:

• Innovation: A core value at Corning, driving the continuous development of new materials and technologies. For this role, it means exploring novel approaches to prototyping and assembly.

• Integrity: Upholding ethical standards in all aspects of work, from data reporting to supplier interactions.

• Performance: Commitment to delivering high-quality results, meeting project timelines, and contributing to the company's success.

• Inclusivity: Fostering a diverse and respectful work environment where all team members can contribute their best.

• Customer Focus: Understanding and responding to the needs of internal and external customers, translating their requirements into functional prototypes.

• Excellence: Striving for the highest standards in engineering, problem-solving, and process development.

Collaboration Style:

• Cross-Functional Integration: The role necessitates strong collaboration with diverse teams, including R&D, engineering, quality, supply chain, and manufacturing. Effective communication and mutual respect are vital.

• Mentorship and Learning: A culture that encourages learning from senior engineers and sharing knowledge with technicians and peers.

• Team-Oriented Problem Solving: Tackling challenges collectively, leveraging the expertise of multiple individuals to find the best solutions.

• Proactive Communication: Regularly updating stakeholders on progress, challenges, and findings to ensure alignment and timely decision-making.

📝 Enhancement Note: Corning's values emphasize a blend of scientific rigor, ethical conduct, and a forward-thinking, collaborative approach to innovation. The team culture likely supports a hands-on, problem-solving environment where continuous learning and cross-functional teamwork are paramount.

⚡ Challenges & Growth Opportunities

Challenges:

• Rapid Iteration Cycles: The need to quickly design, build, and test prototypes can create pressure and require efficient workflow management.

• Translating Concepts to Reality: Bridging the gap between theoretical product requirements and practical, buildable prototypes can be complex, especially with new materials or technologies.

• Troubleshooting Novel Issues: Dealing with unforeseen problems in new assembly processes or materials requires strong analytical skills and creative problem-solving.

• Balancing Speed and Quality: Ensuring that prototypes meet necessary standards for evaluation while maintaining rapid development timelines.

• Cross-Functional Alignment: Effectively communicating technical details and manufacturing considerations to diverse teams with varying technical backgrounds.

Learning & Development Opportunities:

• Deep Dive into Fiber Optics: Gain specialized knowledge in the intricate world of fiber optic connectivity, a rapidly growing and critical technology.

• Advanced Prototyping Techniques: Learn and apply cutting-edge methods for rapid prototyping, tooling design, and fixture development.

• Manufacturing Process Expertise: Develop a comprehensive understanding of discrete assembly processes, quality control, and yield optimization strategies relevant to high-tech manufacturing.

• Design for Manufacturability (DFM) Mastery: Hone skills in providing actionable feedback that directly influences product design for efficient and cost-effective mass production.

• Industry Trends: Stay abreast of advancements in materials science, optical communications, and manufacturing technologies.

📝 Enhancement Note: The challenges presented are typical of R&D and prototyping roles, offering significant opportunities for skill development and professional growth in highly specialized areas of engineering and operations.

💡 Interview Preparation

Strategy Questions:

• Problem-Solving Scenarios: Be prepared to discuss a time you encountered a complex technical problem during an assembly or prototyping process. Detail your methodology for diagnosing the issue, the steps you took to find the root cause, and the solution you implemented.

• Process Improvement Examples: Describe a situation where you identified an opportunity to improve an assembly process. What was the original process, what changes did you propose or implement, and what were the results (e.g., time saved, quality improved, cost reduced)?

• Design for Manufacturability (DFM) Feedback: How would you provide feedback to a product designer about a component that you believe would be difficult or costly to manufacture or assemble? What specific considerations would you highlight?

• Collaboration and Communication: Discuss a time you had to work closely with technicians or engineers from different disciplines to achieve a project goal. How did you ensure clear communication and alignment?

Company & Culture Questions:

• Motivation for Corning: Why are you interested in Corning, and specifically in this Prototyping Engineer role within the Optical Communications segment?

• Understanding of Prototyping: What does "prototyping" mean to you in the context of a large, innovative company like Corning?

• Teamwork and Culture: How do you contribute to a positive and productive team environment? What kind of work environment do you thrive in?

• Adaptability: Describe a time you had to quickly learn a new technology, process, or software. How did you approach it?

Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, use a clear STAR (Situation, Task, Action, Result) or similar framework to explain your contribution and impact.

• Focus on Your Role: Clearly articulate your specific contributions, not just the team's accomplishments. Use "I" statements where appropriate.

• Highlight Technical Skills: Showcase your proficiency in CAD, technical documentation, problem-solving, and any specific assembly or testing techniques.

• Emphasize Process Thinking: Demonstrate your understanding of how prototypes transition to manufacturing by discussing DFM/DFA, process development, and documentation.

• Quantify Results: Whenever possible, use numbers and data to illustrate the positive outcomes of your work.

• Be Prepared for Deep Dives: Anticipate questions about the technical details, challenges, and trade-offs of your projects.

📝 Enhancement Note: Interview preparation should focus on demonstrating a strong foundation in mechanical engineering, a practical, hands-on approach to problem-solving, and the ability to communicate technical information effectively. The portfolio is a key tool for substantiating these skills.

📌 Application Steps

To apply for this Prototyping Engineer position:

• Submit Your Application: Complete and submit your application through the provided link on the Corning Careers portal. Ensure all fields are accurately filled out.

• Tailor Your Resume: Customize your resume to highlight experience and skills most relevant to the job description. Emphasize keywords such as "Mechanical Engineering," "Prototyping," "Assembly," "Process Development," "Troubleshooting," "CAD," and "Fiber Optics" (if applicable). Quantify achievements with metrics where possible.

• Prepare Your Portfolio: Select 3-5 key projects that best demonstrate your capabilities in mechanical design, prototyping, process improvement, and problem-solving. Organize these projects with clear descriptions, your role, challenges faced, solutions implemented, and measurable results. Be ready to present and discuss these in detail.

• Research Corning and the Optical Communications Segment: Familiarize yourself with Corning's history, its core technologies, and the specific contributions of the Optical Communications segment. Understand their market position and key innovations.

• Practice Interview Questions: Review common interview questions, including behavioral, technical, and situational inquiries. Practice articulating your experience using the STAR method and prepare to discuss your portfolio projects thoroughly.

⚠️ 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.