Product Development Engineer

Mathews Brothers Company | Belfast, Maine

Engineer the Future at America's Oldest Window Manufacturer. Some companies talk about legacy; we've been building it since 1854.

For more than 170 years, Mathews Brothers has been setting the standard for craftsmanship, innovation, and quality in the window and door industry. As America's oldest window manufacturer, we've earned our reputation by continuously evolving, embracing new technology, and refusing to settle for  good enough .

Today, we're looking for a Product Engineer who shares that same mindset.

If you enjoy solving complex challenges, designing innovative products, testing ideas in the real world, and seeing your work come to life on the production floor, this may be the opportunity you've been waiting for.

This isn't a role where you'll sit behind a desk all day.

You'll design products, build prototypes, test performance, improve manufacturing processes, work directly with production teams, and help shape the next generation of products carrying the Mathews Brothers name.

• Developing new products and features
• Improving manufacturing efficiency
• Supporting production teams
• Testing and validating product performance
• Driving innovation across the organization
• Helping preserve and strengthen one of America's most iconic brands in the building products industry

• Create detailed 2D and 3D CAD models and drawings
• Develop fabrication drawings for manufacturing, tooling, and process documentation
• Design enhancements to existing products and contribute to new product development initiatives
• Design components for in-house 3D printing and rapid prototyping
• Support product innovation from concept through implementation

• Conduct physical and simulated product testing
• Participate in air infiltration, water penetration, and structural performance testing using our on-site test wall
• Analyze test data and develop engineering solutions
• Support product certification and performance validation efforts Manufacturing & Process Improvement
  • Develop layouts for equipment, production flow, and manufacturing operations
  • Support production teams through technical troubleshooting and problem-solving
  • Identify opportunities to improve efficiency, quality, and manufacturability
  • Assist with tooling development and production improvements
  Quality & Technical Support
  • Investigate non-conforming materials and product concerns
  • Provide technical support to internal teams
  • Contribute to continuous improvement initiatives across the organization
  • Maintain engineering documentation and product specifications
  What We're Looking For
  
  Required Qualifications
  • Bachelor's Degree in Mechanical Engineering or related technical discipline, or equivalent experience
  • Strong mechanical aptitude and problem-solving skills
  • Excellent written and verbal communication skills
  • Ability to manage multiple projects and priorities
  • Self-motivated with a collaborative team-oriented mindset
  • Proficiency in Microsoft Office applications
  Preferred Qualifications
  • Experience with AutoCAD, Autodesk Inventor, Solid Works, or similar CAD software
  • Manufacturing or production engineering experience
  • Experience with 3D printing technologies and design for additive manufacturing
  • CNC machining and G-code programming knowledge
  • Thermal modeling experience
  • Experience with in the window, door, fenestration, construction, or building products industries
  • Familiarity with product testing, validation, and continuous improvement practices
  Why Join Mathews Brothers? Build Products That Matter

  See your ideas move from concept to production and into homes across America.

  Work with Cutting-Edge Technology

  From CAD modeling and product testing to additive manufacturing and process improvement, you'll have opportunities to expand your technical skills every day.

  Being Part of a Legacy

  Join a company that has been manufacturing in Maine for more than 170 years and continues to innovate for the future.

  Grow Your Career

  We're investing in our products, our people, and the future of our company. We want engineers who are excited to grow with us.