Do you take pride in doing things right the first time? Looking for a stable job with room to grow? Ready to join a team that treats you like family? We want to hear from you!

Blow Mold Process Engineer – Ayer, MA

Join a Legacy. Build the Future

Catania Oils, a fourth-generation, family-owned business with 125 years of excellence in the edible oils industry, is looking for a passionate and driven Blow Mold Process Engineer to join our team. If you thrive in a fast-paced environment, love solving problems, and know how to bring out the best in people—this is your moment.

Our Core Values Drive Everything We Do

• We Are Family – We treat every team member with respect and support, just like family.
• Own It – We take responsibility, celebrate wins, and learn from challenges.
• Job Well Done – We strive for excellence and take pride in delivering quality work.
• Customer Focused – We go beyond expectations to ensure our customers succeed.
• Authenticity at Our Core – We act with integrity and stay true to our values, even under pressure.

What You’ll Do

• Own  blow molding process performance across all assigned equipment and bottle platforms. 
• Establish, validate, document, and maintain machine settings, recipes, and process windows for current and new bottle formats. 
• Optimize blow molding processes for: 
  • bottle quality 
  • material efficiency 
  • line efficiency 
  • uptime 
  • scrap reduction 
  • changeover performance 
  • throughput 
• Provide direct technical support and hands-on troubleshooting for preform heating , stretch/blow timing, pressure profiles, oven settings, transfer issues, bottle defects, dimensional variation, and top load and performance issues 
• Lead startup, commissioning, qualification, and ramp-up support for new blow molding equipment. 
• Develop standard work for startup, shutdown, changeovers, center lining, recipe control, and abnormal condition response. 
• Partner with Operations, Maintenance, Quality, Packaging, and Continuous Improvement teams to improve reliability and process capability. 
• Analyze performance data and trends to identify chronic losses and drive corrective actions. 
• Reduce bottle and process variation through disciplined experimentation, root cause analysis, and control of critical process parameters. 
• Support mold trials, preform trials, bottle design changes, and new package launches. 
• Define and sustain best practices for recipe governance, parameter management, and process change control. 
• Train      operators, mechanics, and technicians on blow molding process fundamentals, defect identification, machine interaction, and standard settings discipline. 
• Support troubleshooting across downstream packaging lines when blow mold performance affects filler, capper, labeler, conveyance, or palletizing performance. 
• Work with OEMs, tooling suppliers, and internal teams to improve machine capability and bottle performance. 
• Ensure all work supports plant standards for safety, food quality, reliability, and operational excellence. 

What You Bring

• Bachelor’s degree required in Mechanical Engineering (BSME), Plastics Engineering, or related engineering discipline. 
• 8–10 years of hands-on experience in PET stretch blow molding process engineering.      
• Strong experience with rotary blow mold machines required. 
• Krones, Kosme, Sipa, or similar high-speed blow molding platforms strongly preferred. 
• Proven ability to develop and optimize settings/recipes for multiple bottle sizes & formats. 
• Strong knowledge of PET processing, preform behavior, heating profiles, stretch ratios, pressure settings, and bottle defect mechanisms. 
• Demonstrated success improving process stability, scrap, bottle performance, and machine efficiency. 
• Experience supporting new equipment startup, commissioning, SAT/FAT, or process validation preferred. 
• Strong troubleshooting, root cause analysis, and problem-solving capability. 
• Ability to work independently as the plant’s technical subject matter expert for blow molding. 
• Comfortable working in a fast-paced manufacturing environment with significant time spent on the production floor. 

Leadership and Working Style

• Hands-on, floor-based, and action-oriented. 
• Strong technical ownership mindset. 
• Disciplined around standards, documentation, and recipe control. 
• Collaborative with operators, maintenance, quality,  and engineering. 
• Calm and effective under production pressure. 
• Focused on long-term process stability, not one-time adjustments. 

What Success Looks Like

• Stable, documented, and controlled blow mold recipes across all bottle platforms. 
• Reduced scrap, defects, and unplanned downtime. 
• Improved bottle consistency and downstream line performance. 
• Faster, cleaner changeovers and startups. 
• Successful integration of new blow molding assets into production. 
• Strong operator and technician capability built through training and standards. 
• Blow molding becomes a controlled process, not a daily firefight.

Why Catania Oils?

• Be part of a company that values teamwork, respect, and continuous improvement 
• Work in a culture that blends tradition with innovation 
• Make a real impact in a company that’s committed to sustainability and quality. 
• We offer competitive pay and benefits.

Catania Oils is an Equal Opportunity Employer