Polymer Engineer Jobs in Seattle, WA (NOW HIRING)

Requisition ID528042-Posted08/21/2026-Infrastructure Products Group-Oldcastle Infrastructure-Full Time-Operations, Field and Plant Mgmt-United States-Washington

Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We’re a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.

The Production Manager is responsible for providing leadership and direction for overall production and maintenance operations in accordance with the vision and values of the corporation. Fosters a “Culture of Safety” for staff and all employees by promoting and modeling an Employee Driven, Hazard Controlled environment. They also advise the local business concerning long-term-strategic direction. They manage and coordinate the production plan (daily/weekly) to meet delivery schedules and budgeted cost/efficiency expectations. They drive continuous improvement initiatives through appropriate channels in the operation. They manage the coordination and execution of predictive/preventative maintenance plans through the maintenance management system for the facility, ensure asset reliability meets or exceeds performance expectations. They hold themselves and staff directly accountable for adherence to standards, policies & regulations for the safe, environmentally compliant production of a quality precast concrete product. They ensure training plans for production and maintenance staff and self are in place and followed, promoting key aspects of the overall succession plan process. Assume plant manager responsibilities as needed.

• This position will be on site at our facility in Auburn, WA.

• Responsible for the implementation and maintenanceof safety & continuous flow production methods with plant manager.
• Responsible to actively seek out, find, and implement process improvements; to include improvements on RM cost reduction, asset utilization, team balancing, matching team strategy to situation.
• Responsible for continuous improvement of leadership; team dynamics, prepare for change, promote & develop team pipeline with plant manager.
• Responsible for final sign off with scheduler on daily/weekly production schedule.
• Establishes formal and informal communications for staff and employees (e.g. morning safety huddle, mid-day meeting, maintenance planning, operations & sales & engineering).
• Ensures proper training of employees with leads and systematic trainer to advance the business.
• Responsible for plant layout, ensuring optimal safety and efficiency.
• Utilize Inventory Management Process (Production-Purchasing Report) to ensure finished goods inventory meets TWC targets for the business.
• Ensures monthly OSHA compliance training is conducted according to schedule requirements with EH&S Tech and EH&S Area manager.
• Ensures safety committee is actively engaged in promoting awareness for safety programs/initiatives and driving improvement towards an Employee Driven, Hazard Controlled environment.
• Responsible for overall preventative/predictive maintenance program for the facility with maintenance manager.
• Maintain thorough knowledge of precast processes and equipment, have workable knowledge of industry technological developments and best practices.
• Other duties as assigned.

• Minimum High School Diploma (or equivalent) with 3+ years leadership experience in an industrial environment leading multiple departments.
• Associates' degree in Business, Manufacturing, Engineering Technology, Production or related field or Bachelors’ degree preferred.

• Base salary range of $100,000 - $110,000 per year
• Bonus opportunity of 10% base pay
• Vacation hours of two weeks per year
• Sick leave benefits up to 56 hours per annum
• 401k plan
• Short-Term and Long-Term Disability benefits
• Eleven paid holidays per year
• Annual Community Volunteer paid day

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• Aninclusive culture that values opportunity for growth, development, and internal promotion

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

Oldcastle Infrastructure, a CRH Company, is an affirmative action and Equal Opportunity Employer.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.