Job Description

Westlake Pipe & Fittings, a Westlake company (NYSE:WLK), is the second-largest polyvinyl chloride pipe and fittings manufacturer in North America. With 35 manufacturing and distribution locations, the company supplies gasketed, solvent weld and restrained joint pipes and a wide range of fittings for a diverse list of markets including municipal water and sewer, plumbing, water well, pool and spa, and agricultural and turf irrigation. Westlake Pipe & Fittings is an industry leader in product development with Certa-Lok® spline-lock technology and product systems that are focused on building a better foundation. To learn more, visit the website at and follow us on LinkedIn, Facebook and Twitter.


We believe in creating a supportive and inclusive culture that empowers and encourages our associates to succeed through individual achievement and teamwork.  A career at Westlake Pipe & Fittings, is enriched with an innovative spirit, high work ethic, and rewarding experiences.  We foster a culture that supports professional development, personal growth, and opportunities for advancement. 


  • Benefits Effective Day 1
  • Med, Den, Vision, 401k (4% match), Annual Retirement Contribution (2%), Life & AD&D
  • Paid Vacation
  • Tuition Assistance Program
  • Fitness Reimbursement Program
  • Opportunity for Advancement

Summary: Responsible for relieving Molder Operators for breaks & lunches and covering absences, if needed. Also responsible for assisting Molder Operators with erecting finished product cases/cartons and/or applying labels.

Essential Duties and Responsibilities:  

This position reports directly to the Production Supervisor and will receive direction from the Injection Molding Manager or Acting Supervisor in the absence of or in conjunction with the Production Supervisor.

The primary responsibility of the Relief Operator is to safely and efficiently perform top-quality operational duties on a daily basis which include (but are not limited to) the following:

  • Checking status of types and quantities of cases/cartons needed in assigned areas of Injection Molding at the beginning of each shift.
  • Checking with Group Leaders to be informed of any lines or machines that will changeover during the shift.
  • Providing full racks of erected cases/cartons to the designated locations for ease of retrieval by the Molder Operators.
  • Relieving Molder Operators for breaks, lunches, and covering absences:
    • Knowledge and recognition of plastic fittings by name, shape, and dimension.
    • Knowledge of daily performance goals and working to achieve 100% of targeted output.
    • Completion of production line paperwork accurately and in real time.
    • Assuring quality of work through the proper labeling and verification of correctness for all types of molded fittings and their associated packaging (i.e.: labels, cartons/cases, case count, and pallet configuration)
    • Set-up and verification of weight scales.
    • Detection, segregation, and isolation of non-conforming quality defects and notifying Mold Technician, Supervisor, Manager, and/or QA Department
      • Able to identify various types of quality defects based on appearance, fit, form, and function (Ex: short shots, burn, weld lines, watermarks, defective threads, etc.).
    • Minimizing downtime by escalating to Mold Technician for machine-related problems.
  • Proper organization and cleanliness of assigned work area to highest level of standards (5S).
    • Perform 5S Audit for each work area assigned on a daily basis
  • Training of new Relief Operator personnel (both full-time and temporary) as needed and assigned.
  • Performing the above-mentioned functions with minimum supervision
  • Any other duties as assigned by supervision or management.

Supervisory Responsibilities: None

Qualifications: None

Education and/or Experience: High School Diploma or equivalent. Previous work in a manufacturing environment preferred (not required).

Language Skills: Ability to read and comprehend sufficient English to follow work instructions.

Mathematical Skills: Basic mathematical skills and counting ability required.

Reasoning Ability: Must be able to take complex and diverse information or situations which have several probable correct paths and compile information in a manner that allows problems to be solved in a reasonable fashion.

Certificates, Licenses, Registrations: None

Physical Demands: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Must be able to cut and trim parts for long periods of time while standing for extended periods of time. Lift up to 35 pounds on occasion (some stations may require lifting up to 50 pounds). Minimal equipment - pruning shears, cutting shears, knife, air sander, air saws, tape gun, code stamp.

Work Environment: The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. General factory. Exposed to heat, cold, noise, dust, oil/grease and traveling powered industrial vehicles.

Training Requirements:

  • General Job Duties: palletization, box taping, scale operation, label interpretation, packaging types, housekeeping, etc.
  • Line Operation:  Employees are cross-trained to be able to operate any of the production lines within the department.
  • Quality Control & Auditing: Employees are trained on defective parts and how to verify counts, part numbers, labeling, pallet quantity, etc.

Application Instructions

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