Process Manufacturing Engineer - Lean, RCA & Optimization

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

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