Process Manufacturing Engineer

Liberty Personnel Services, Inc.; Trenton (NJ); On-site; USD 85,000 - 120,000; Full time

Job summary

Liberty Personnel Services, Inc. is seeking a hands-on Process Engineer to improve manufacturing processes and production efficiency in an on-site setting in New Jersey.

The role emphasizes process optimization, troubleshooting, and continuous improvement across throughput, quality, yield, and OEE. You will lead root cause analysis, drive actions to reduce cycle time, scrap, downtime, and setup time, and develop SOPs and process documentation while partnering with multiple departments on NPI and

Qualifications

• Hands-on process engineering in a production environment.
• Experience with regulated manufacturing environments (aerospace/defense/etc.) is preferred.
• Knowledge of Lean, Six Sigma, RCA, and process optimization.
• CAD experience with AutoCAD, SolidWorks, Creo or similar.

Responsibilities

• Develop, optimize, and sustain manufacturing processes to improve throughput, quality, yield, and OEE.
• Troubleshoot production issues and lead root cause analysis (RCA) and corrective actions.
• Drive improvements in cycle time, scrap, downtime, setup reduction, and overall efficiency.
• Develop and maintain SOPs, work instructions, process flows, and other manufacturing documentation.
• Lead Lean Manufacturing and continuous improvement initiatives (5S, Kaizen, SMED, Value Stream Mapping).
• Partner with Engineering, Quality, Maintenance, and Production on NPI and DFM initiatives.
• Evaluate equipment, tooling, and processes for automation, reliability, and cost-reduction opportunities.
• Analyze production data and KPIs to identify and implement process improvements.

Skills

Process engineering

Manufacturing engineering

Lean Manufacturing

Six Sigma

RCA

Process optimization

Spanish bilingual (bonus)

Education

Bachelor's degree preferred

Tools

AutoCAD

SolidWorks

Creo

Job description

We are seeking a hands-on Process Engineer to improve manufacturing processes, production efficiency, quality, and cost. This is an on-site role with a strong focus on process optimization, troubleshooting, and continuous improvement.

Key Responsibilities

• Develop, optimize, and sustain manufacturing processes to improve throughput, quality, yield, and OEE.
• Troubleshoot production issues and lead root cause analysis (RCA) and corrective actions.
• Drive improvements in cycle time, scrap, downtime, setup reduction, and overall efficiency.
• Develop and maintain SOPs, work instructions, process flows, and other manufacturing documentation.
• Lead Lean Manufacturing and continuous improvement initiatives, including 5S, Kaizen, SMED, and Value Stream Mapping.
• Partner with Engineering, Quality, Maintenance, and Production on NPI and DFM initiatives.
• Evaluate equipment, tooling, and processes for automation, reliability, and cost-reduction opportunities.
• Analyze production data and KPIs to identify and implement process improvements.

Qualifications

• Process, Manufacturing, or Industrial Engineering experience in a hands-on production environment.
• Experience in aerospace, defense, automotive, electronics, etc. or other regulated manufacturing environments preferred.
• Knowledge of Lean Manufacturing, Six Sigma, RCA, and process optimization.
• CAD experience with AutoCAD, SolidWorks, Creo, or similar.
• Strong analytical, troubleshooting, project management, and communication skills.
• Plastics and/or rubber manufacturing experience are highly desirable; extrusion and/or molding experience a strong plus.
• Bachelor's degree preferred but not required.
• Spanish bilingual skills are a plus.

Requirements

• U.S. Citizen, Permanent Resident, or Green Card Holder.
• Must be able to work on-site in a manufacturing environment.
• Occasional travel may be required.