Senior Composites Design Engineer

Headquartered in Old Saybrook, CT, Infiltrator Water Technologies is the leading provider of engineered plastic chambers, synthetic aggregates, tanks, advanced wastewater treatment systems, and accessories for the onsite/decentralized wastewater and storm water management industries. The majority of Infiltrator products are manufactured from recycled plastic. Founded in 1987, we operate throughout the US and Canada with 8 manufacturing plants in the US, dedicated sales, and corporate team members.

Infiltrator is a pioneer in innovative plastic technologies for underground water management. Infiltrator components are used in most onsite septic systems installed in the United States and Canada. Infiltrator is a proud Corporate Partner of Habitat for Humanity and each year donates components for 50 septic systems serving Habitat homes in North America. Infiltrator is committed to advancing the state of the art in all fronts, including product design, manufacturing, materials, wastewater science, marketing, management, and employee development.

In other words, we strive to be the best we can be.

The Senior Composite Design Engineer will lead the development and design of FRP (fiber-reinforced polymer composite products for infrastructure applications. This engineer leader will utilize their strong background in composite materials and processes, particularly in closed molding methods such as RTM (Resin Transfer Molding) and vacuum infusion, structural engineering capabilities and knowledge of infrastructure and related codes to develop infrastructure products like tanks, buildings, covers and other structural components.

• Safety/Culture
• Continuously maintains Orenco management’s safety, cultural, and professional standards.
• Promotes, encourages, and reinforces a positive safety culture, safe practices, and a safe work environment to all employees.
• Key Responsibilities:
• Lead the design and development of FRP composite products for infrastructure applications.
• Collaborate with the Composite Sales Manager to develop tailored design solutions for customer projects.
• Collaborate with the Composite Sales Manager to identify new product development opportunities and cultivate strategic OEM (Original Equipment Manufacturing) relationships that drive innovation and long-term business growth.
• Drive value engineering initiatives to enhance design efficiency and reduce cost.
• Oversee and optimize manufacturing processes, especially closed molding techniques (RTM, vacuum infusion).
• Collaborate on material selection, including resins, reinforcements, core materials, adhesives, and coatings.
• Interpret and apply relevant codes and standards (e.g., IBC (International Building Code), AASHTO (American Association of State Highway and Transportation Officials), ASCE (American Society of Civil Engineers), ASTM (American Society for Testing and Materials), etc.) to ensure code compliance in structural designs.
• Perform structural analysis and guide product testing and validation.
• Work closely with the retiring engineer through a transition period to absorb institutional knowledge, processes, and legacy designs.
• Support cross-functional teams including production, QA/QC (Quality Assurance/Quality Control), sales, and product and project management.
• Interface with customers, certification agencies, and third-party engineers as needed.
• Represent the company at key composite industry events (e.g., trade shows, technical conferences) to stay current with industry trends and strengthen professional networks.
• Regular, consistent, and predictable attendance is required.
• Performs other duties as assigned.

Bachelor’s degree in Mechanical Engineering, Civil Engineering,…