Senior Process Engineering Manager - Injection Molding

OpTalent; Lake Forest (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Zohorecruit is seeking an experienced Sr. Process Engineering Manager for plastic injection molding and assembly to lead a technical team in Foothill Ranch, CA.

You will oversee operations, drive process optimization, equipment implementation, and continuous improvement. The role requires a hands-on leader with Lean Six Sigma, CapEx/OpEx budgeting, and cross-functional collaboration with maintenance, NPD, and R&D to deliver 3–5 year strategic plans and manufacturing excellence.

Qualifications

• Bachelor’s degree in Engineering or closely related technical discipline.
• 5+ years of management experience in a similar environment.
• Strong technical knowledge of plastic injection molding and manufacturing processes.
• 3+ years of automation experience/exposure.
• Experience applying Lean Six Sigma tools and methodologies.
• Demonstrated ability to lead and coach teams through Continuous Improvement initiatives.
• Excellent leadership, communication, interpersonal, and cross-functional collaboration skills.

Responsibilities

• Oversee technical operations related to plastic injection molding, including process optimization, troubleshooting, equipment performance, and maintenance.
• Lead a team responsible for the development, qualification, and successful implementation of manufacturing processes and equipment on the production floor.
• Establish priorities and provide strategic and tactical direction to the engineering/manufacturing team.
• Lead Operational Excellence and Continuous Improvement initiatives across manufacturing operations.
• Develop and manage team budgets, including CapEx and OpEx, while ensuring projects remain aligned with business objectives.
• Coach team members on Lean Manufacturing, data-driven problem solving, and continuous improvement methodologies.
• Work closely with Maintenance, Tooling, New Product Development, R&D, and other cross-functional teams to resolve challenges.
• Evaluate new product and process handoffs, identify gaps, and develop practical solutions when requirements are not met.
• Manage and prioritize multiple projects simultaneously in a dynamic, high-volume manufacturing environment.
• Develop a 3–5 year strategic vision for the team in collaboration with cross-functional leadership.
• Drive accountability, technical development, and performance within the team.
• Support automation and technology initiatives designed to improve manufacturing efficiency, quality, and reliability.

Skills

Management experience

Plastic injection molding

Data-driven problem solving

Lean manufacturing

Automation experience

Cross-functional leadership

Communication skills

Education

Bachelor’s degree in Engineering

Job description

Zohorecruit is seeking an experienced Sr. Process Engineering Manager for plastic injection molding and assembly to lead a technical team in Foothill Ranch, CA.

You will oversee operations, drive process optimization, equipment implementation, and continuous improvement. The role requires a hands-on leader with Lean Six Sigma, CapEx/OpEx budgeting, and cross-functional collaboration with maintenance, NPD, and R&D to deliver 3–5 year strategic plans and manufacturing excellence.