Medical Device Injection Molding Process Engineer

RiseMe; Lake Forest (CA); On-site; USD 71,000 - 100,000; Full time

Benefits offered by this job

Competitive pay

Benefits package

Mentorship opportunities

Wellness activities

Education reimbursement

401(k) with match

Paid time off

Job summary

Applied Medical is seeking an Injection Molding Process Engineer to maintain and improve the injection molding processes for plastic medical device components, from mold qualification through full scale production.

The role combines hands-on operation, scientific molding, and DOE to ensure robust processing windows. You will collaborate with tooling, engineering, and production teams, lead validations, and drive yield, scrap reduction, and cost improvements.

Qualifications

• Bachelor's degree in plastics engineering or related field, or equivalent experience.
• Two+ years in injection molding or plastics manufacturing.
• Hands-on operation of injection molding machines, including robot setup.
• Troubleshooting molding issues across material, machine, mold, and auxiliaries.
• Knowledge of gate, runner design, parting lines, ejectors.
• Ability to manage multiple projects with accuracy and quality.
• Document protocols, reports, and SOPs clearly.

Responsibilities

• Develop and optimize injection molding processes for thermoplastic and polymer components.
• Operate molding machines from start-up to shutdown, including EOAT programming.
• Lead root cause investigations and resolve processing challenges.
• Lead process validation activities (IQ, OQ, PQ) and support new product introductions.
• Collaborate with tooling engineers to optimize mold performance and tooling reviews.
• Monitor process capability and drive yield, scrap reduction, and downtime improvements.
• Develop and maintain process specs, recipes, SOPs, and engineering reports.
• Mentor technicians and engineers across cross-functional teams.

Skills

Injection molding

DOE

Minitab

Root cause analysis

Process validation

SOP writing

Education

Bachelor's degree in plastics engineering

Equivalent education/experience

Tools

Moldflow

Minitab

SAP

ERP systems

Job description

Applied Medical is seeking an Injection Molding Process Engineer to maintain and improve the injection molding processes for plastic medical device components, from mold qualification through full scale production.

The role combines hands-on operation, scientific molding, and DOE to ensure robust processing windows. You will collaborate with tooling, engineering, and production teams, lead validations, and drive yield, scrap reduction, and cost improvements.