Blow Molding Process Engineer — Onsite, Hands-On Impact

Flexcraft; Neptune City (NJ); On-site; USD 90,000 - 130,000; Full time

Job summary

Flexcraft is growing—and we’re hiring a hands‑on Process Engineer with extrusion blow molding experience to help improve performance, reduce scrap, and support new product launches. If you’re currently working in plastics manufacturing and want a role where you can own the process, solve real problems, and drive measurable result, this is worth a look.

This onsite role supports a 24/7 manufacturing operation, requiring presence on the production floor and collaboration with multiple teams to

Qualifications

• 5+ years of process engineering experience in plastics manufacturing.
• Hands-on experience with extrusion blow molding strongly preferred.
• Proven ability to troubleshoot and optimize processes in production.
• Strong understanding of materials, tooling, and molding equipment.
• Experience with SPC, DOE, or Six Sigma tools (preferred).
• Comfortable working on the production floor—not just at a desk.

Responsibilities

• Optimize processes to improve cycle time, quality, and efficiency.
• Troubleshoot production issues directly on the floor.
• Lead root cause analysis and implement permanent solutions.
• Support new product launches, mold trials, and validations.
• Partner with Production, Maintenance, and Quality teams.
• Develop SOPs and standardize best practices.

Skills

Process engineering

Extrusion blow molding

Troubleshooting

Materials & tooling

SPC / DOE / Six Sigma

Tools

DOE

Six Sigma

SPC

Job description

Flexcraft is growing—and we’re hiring a hands‑on Process Engineer with extrusion blow molding experience to help improve performance, reduce scrap, and support new product launches. If you’re currently working in plastics manufacturing and want a role where you can own the process, solve real problems, and drive measurable result, this is worth a look.

This onsite role supports a 24/7 manufacturing operation, requiring presence on the production floor and collaboration with multiple teams to