Process Engineer; Injection Blow Molding

Process Engineer – Injection Blow Molding

Petmate is a global leader in pet supply products, with trusted brands including Petmate®, Chuckit !®, Quirky Kitty ®, Vittles Vault®, Wild Eats® and Arm & Hammer®. Over 60 years ago, Petmate began with a focus on safe pet transportation, leading to the creation of the first dog kennel. Today, Petmate develops products that improve quality of life and strengthen the bond between people and their pets.

From environmentally responsible manufacturing to rigorous product testing, safety remains central to what we make and how we make it. Our portfolio of trusted brands features innovative solutions across several pet supplies categories including toys, feeding and watering, food storage, kennels, shelters, bedding, treats and more.

We are seeking a skilled and motivated Process Engineer – Injection Blow Molding to join our manufacturing team in Arlington, TX. This is a hands-on, floor-based position responsible for supporting, maintaining, and improving injection blow molding processes across multiple production lines.

The primary focus of this role is driving Overall Equipment Effectiveness (OEE), reducing scrap, improving product quality, maximizing machine uptime, and building technical expertise within the process technician team. This position requires solid experience with injection blow molding equipment, tooling, resin processing, and process development.

The ideal candidate will have 5+ years of direct injection blow molding experience and demonstrate strong troubleshooting, analytical, and collaboration skills in a fast-paced manufacturing environment.

Key Responsibilities

• Support and optimize injection blow molding processes across assigned production lines and machines.
• Drive OEE improvements through process optimization, cycle time reduction, scrap reduction, and machine reliability initiatives.
• Troubleshoot product quality defects including short shots, flash, gate defects, weld lines, warpage, thin-wall areas, and neck finish defects.
• Optimize injection parameters (injection speed, pressure, hold/pack pressure, screw recovery) and blow-station parameters (blow pressure, timing, mold and core rod temperature) to achieve consistent wall distribution and dimensional accuracy.
• Develop and maintain process specifications, setup sheets, startup procedures, and work instructions.
• Establish and maintain process windows for all active tooling (core rods, cavities, neck rings) and products.
• Support root cause investigations using structured problem-solving methodologies including 5 Why, A3, Fishbone, and PDCA.
• Collaborate with maintenance, tooling, quality, and production teams to improve process stability and throughput.
• Support mold/tooling qualifications, first article inspections, and new product launches.
• Validate and document process capability (CPK, PPK) and implement corrective actions where required.
• Conduct process audits to ensure compliance with established standards.
• Analyze production data to identify trends impacting efficiency, scrap generation, downtime, and quality.
• Support continuous improvement projects focused on productivity and cost reduction.
• Support capital projects involving new injection blow molding equipment, tooling, automation, and auxiliary systems.
• Collaborate with resin suppliers to optimize material performance and process parameters.
• Support first article and production validation runs for new products and tooling.
• Support preventive maintenance activities related to core rods, cavities, neck rings, injection units, hydraulics, cooling systems, and auxiliary equipment.
• Other duties as assigned.

Team Support Responsibilities

• Provide technical guidance and on-the-job support to Process Technicians and Setup Technicians.
• Share best practices for injection blow molding troubleshooting and startup procedures.
• Support technical training initiatives led by senior engineering staff.
• Assist production supervisors with process performance updates as needed.

Skills and Experience

Required Qualifications

• Minimum 5 years of hands-on experience in injection blow molding manufacturing.
• Working knowledge of:
  • Injection Blow Molding principles (injection, blow,…