Research and Development Composites Molding Engineer

Re:Build Manufacturing; Denver (CO); On-site; USD 91,000 - 137,000; Full time

Job summary

Re:Build Manufacturing in Denver is looking for a highly skilled R&D Composites Molding Engineer to lead the development of advanced thermoplastic molding processes. Ideal candidates should have a Bachelor's degree in engineering and 5+ years of related experience. Responsibilities include designing prototype tooling, evaluating new technologies, and managing R&D projects. The role offers a competitive salary range of $91,000 – $137,000, and eligibility for bonuses and benefits.

Qualifications

• 5+ years of thermoplastic processing experience.
• Hands-on experience with molds and molding equipment.
• Strong understanding of thermoplastic materials and processing.

Responsibilities

• Develop thermoplastic molding processes for R&D applications.
• Design prototype tooling and molds.
• Research new tooling technologies and molding methods.

Skills

Thermoplastic processing

SolidWorks for 3D modeling

Troubleshooting skills

Project management

Problem-solving

Education

Bachelor’s degree in Mechanical Engineering or related field

Tools

SolidWorks

Molding equipment

Job description

About Re:Build Manufacturing & Oribi

Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America’s next generation industrial company. At Re:Build we deploy deep expertise in engineering, operations management, and technology to supercharge the performance of our member companies.

Oribi Manufacturing, LLC (Oribi) located in Denver, CO, is a leader in the development and production of advanced thermoplastic composites. We utilize automation, robotics, and advanced materials to produce advanced composite parts for a wide range of industries, including sporting goods, defense, wind energy, automotive, marine, and others.

Position Summary

Re:Build Manufacturing is seeking a highly skilled R&D Composites Molding Engineer to lead research and development of advanced thermoplastic molding processes, tooling technologies, and prototype equipment for our manufacturing operations.

Responsibilities

• Develop and advance thermoplastic molding processes for R&D applications
• Design prototype tooling and molds using SolidWorks
• Research and evaluate new tooling technologies and molding methods
• Provide hands‑on support during prototype builds, troubleshooting molds and molding equipment
• Lead new process development and qualification activities
• Manage multiple concurrent R&D composites projects independently
• Test and validate prototype tooling and process parameters
• Collaborate with engineering and technical staff across Re:Build sites
• Coordinate with external vendors and suppliers for materials, tooling, and services
• Document R&D processes, test results, specifications, and best practices

Required Qualifications

• Bachelor’s degree in Mechanical Engineering, Materials Engineering, Plastics Engineering, or related engineering discipline
• 5+ years of thermoplastic processing experience (thermoforming, injection molding, compression molding, or thermoplastic composites)
• Proficiency in SolidWorks for 3D modeling and tooling design
• Hands‑on experience working with molds and molding equipment
• Strong understanding of thermoplastic materials and processing parameters
• Process development and prototyping experience
• Tooling design and modification experience
• Ability to troubleshoot complex process and equipment issues
• Experience managing multiple projects independently
• Strong problem‑solving and communication skills

Preferred Qualifications

• 10+ years of thermoplastic processing experience
• Experience with multiple thermoplastic processes (thermoforming, injection molding, compression molding, thermoplastic composites)
• Prototype mold design experience
• Material science or polymer engineering background
• Experience in R&D or advanced manufacturing environments
• FEA or simulation analysis experience
• Experience with emerging composites technologies

Work Environment

• Primarily based at Re:Build’s Denver facility
• Mix of office/engineering environment and hands‑on R&D lab/shop floor work
• Active participation during prototype builds and testing
• Occasional travel to other Re:Build sites or suppliers
• Standard day shift, Monday through Friday

Compensation and Benefits

The anticipated base salary range for this role is $91,000 – $137,000. Final compensation will be determined based on experience, qualifications, and internal equity. This role is also eligible for annual bonus and long‑term incentive compensation (LTIP), in addition to a competitive benefits package.

Re:Build Manufacturing is proud to be an Equal Employment Opportunity and affirmative action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure and life experiences, or for any other reason.

Re:Build is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at [e-mail] or you may call us at 617.909.6275.