Senior Manufacturing Engineer — Lead Lean, ERP & CNC

Liberty Personnel Services, Inc.; Gilbertsville (PA); On-site; USD 100,000 - 120,000; Full time

Job summary

Liberty Personnel Services, Inc. in Gilbertsville, PA is seeking a Senior Manufacturing Engineer to lead engineering, manufacturing, production, procurement, inventory, quality, safety, and continuous improvement.

This full-time onsite role requires strong background in manufacturing operations and Lean initiatives. You will drive cross-functional teams, manage BOMs and ERP/MRP, optimize production scheduling, supplier relations, and cost reduction efforts, and guide CNC, tooling, and process

Qualifications

• Requires US Citizenship or current Permanent Residency (Green Card).
• Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Engineering Technology, or related discipline.
• Strong background in manufacturing engineering, production management, or engineering operations.
• Experience with custom, engineered-to-order, or high-mix manufacturing.
• Knowledge of machining, fabrication, assembly, and CNC operations.
• Experience with BOMs, routings, work orders, MRP/ERP, inventory, purchasing, and production planning.
• Experience with CAD; AutoCAD, Inventor, or SolidWorks preferred.
• Experience leading cross-functional engineering, production, purchasing, and quality teams.
• Knowledge of Lean manufacturing and continuous improvement.
• Six Sigma training or certification preferred.

Responsibilities

• Lead engineering and manufacturing operations across production, machining, fabrication, assembly, purchasing, scheduling, quality, and shop-floor execution.
• Manage production scheduling, workforce allocation, material availability, job status, quality, and delivery priorities.
• Oversee material sourcing, supplier relationships, purchasing, inventory, and supply-chain requirements.
• Support quoting and estimating through BOMs, material requirements, vendor pricing, lead times, and manufacturing inputs.
• Identify and resolve material shortages, production bottlenecks, expediting requirements, and delivery issues.
• Lead ERP/MRP improvements involving BOMs, routings, work orders, inventory, procurement, and production planning.
• Drive cost reduction, safety, quality, facility, and operational improvement initiatives.
• Lead manufacturing engineering for custom-engineered products, including production documentation, manufacturing drawings, CNC programming, tooling, fixtures, and process standards.
• Implement Lean initiatives including 5S, process mapping, root-cause analysis, and process standardization.

Skills

Manufacturing engineering

Production management

Lean manufacturing

Six Sigma

Cross-functional leadership

Problem solving

Education

Bachelor's degree in Mechanical Engineering or related field

Tools

CAD software (AutoCAD / Inventor / SolidWorks)

Job description

Liberty Personnel Services, Inc. in Gilbertsville, PA is seeking a Senior Manufacturing Engineer to lead engineering, manufacturing, production, procurement, inventory, quality, safety, and continuous improvement.

This full-time onsite role requires strong background in manufacturing operations and Lean initiatives. You will drive cross-functional teams, manage BOMs and ERP/MRP, optimize production scheduling, supplier relations, and cost reduction efforts, and guide CNC, tooling, and process