Shift Engineer - Lean, OEE & Process Optimization

Development Authority; Martinsburg (WV); Hybrid; USD 68,000 - 83,000; Full time

Job summary

Treplar in Martinsburg, WV is seeking a Manufacturing Engineer to provide technical leadership across extrusion, thermoforming, and packaging operations. The role focuses on improving efficiency, reducing waste, and ensuring product quality in a high-volume environment.

The candidate should have a Bachelor's degree in an engineering field and 3–5 years of manufacturing experience, with 2+ years in plastics-related processes.

Qualifications

• Bachelor's Degree in Mechanical Engineering, Process Engineering, Shift Engineering, Industrial Engineering, or related discipline.
• 3–5 years of manufacturing experience.
• 2+ years in plastics manufacturing, thermoforming, extrusion, food packaging, or related industries preferred.
• Experience supporting high-volume manufacturing operations.
• Experience with Lean Manufacturing Principles and Continuous Improvement Projects.
• Experience troubleshooting industrial equipment.
• Preferred: Six Sigma Green Belt or Lean certification, Project Management experience, experience with OEE improvement and PLC-controlled equipment, knowledge of extrusion and thermoforming processes, SAP or ERP experience.

Responsibilities

• Provide technical leadership during production shifts.
• Coordinate activities between Extrusion, Thermoforming, Recycling, Packing and Shipping.
• Assist supervisors in resolving operation issues that impact production.
• Analyze processes to improve efficiency and reduce waste.
• Optimize machine settings to maximize throughput and product quality.
• Lead root cause analysis using structured problem-solving methodologies.
• Work with Maintenance to improve equipment reliability.
• Lead Lean Manufacturing and Continuous Improvement initiatives.
• Drive Kaizen events and waste reduction projects.
• Promote safety, GMP, HACCP, SQF, and food packaging standards.

Skills

Lean Manufacturing

Six Sigma Green Belt

Project Management

Root Cause Analysis

Waste Reduction

Kaizen

Education

Bachelor's Degree in Mechanical/Industrial Engineering or related

Tools

SAP ERP

PLC control equipment

Job description

Posted on: October 01, 2026 • Category: Growth

Apply By: October 30, 2026
No. of Jobs: 4
Job Type: Full-Time
Pay Type: Salary
Compensation: 75,000
Education: Bachelor's Degree

Marimar Santos
Phone 1: 3042120096
[e-mail]
https://treplar.com/
Treplar
5115 Winchester Ave.
Martinsburg , Berkeley , WV 25405
US
Get Directions

Education Bachelor’s Degree in one of the following: • Mechanical Engineering • Process Engineering • Shift Engineering • Industrial Engineering or a closely related Engineering discipline Experience • Minimum 3-5 years of manufacturing experience. • Minimum of 2 years in plastics manufacturing, thermoforming, extrusion, food packaging, or related industries preferred. • Experience supporting high-volume manufacturing operations. • Experience with Lean Manufacturing Principles and Continuous Improvement Projects. • Experience troubleshooting industrial equipment. Preferred Qualifications • Six Sigma Green Belt or higher • Lean Manufacturing certification • Project Management experience • Experience with OEE improvement and PLC-controlled equipment • Knowledge of extrusion and thermoforming processes. • SAP or ERP experience

Responsibilities:

Operational Leadership • Provide technical leadership during assigned production shifts. • Support supervisors and production team in achieving daily production goals. • Monitor production performance and ensure schedules are met. • Coordinate activities between Extrusion, Thermoforming, Recycling, Packing and Shipping. • Assist supervisors in resolving operation issues that impact production. Process Engineering • Analyze manufacturing processes to improve efficiency and reduce waste. • Optimize machine settings to maximize throughput and product quality. • Develop and maintain standard operating parameters. • Investigate production losses and recommend corrective actions. • Monitor process capability and identify opportunities for improvement. • Lead root cause analysis using structured problem-solving methodologies. Equipment Reliability • Work closely with Maintenance to improve equipment reliability. • Analyze equipment downtime trends. • Recommend equipment modifications and upgrades. • Participate in preventative and predictive maintenance programs. • Support installation and commissioning of new equipment. • Troubleshoot mechanical and process-related issues. Continuous Improvement • Lead Lean Manufacturing and Continuous Improvement initiatives. • Drive Kaizen events and waste reduction projects. • Improve Overall Equipment Effectives (OEE) • Reduce scrap, downtime, changeover time, and operating costs. • Standardize best manufacturing practices across all shifts. • Develop and implement process improvement projects. Safety & Food Safety • Promote a culture of safety throughout the facility. • Ensure compliance with OSHA regulations. • Enforce PPE requirements and safe work practices. • Ensure compliance with GMP, HACCP, SQF, and Food packaging standards. • Participate in Safety investigations and corrective actions. • Conduct routine safety and operational audits. Quality Assurance • Ensure products meet customer specifications. • Support Quality during investigations of defects and customer complaints. • Monitor production quality trends and KPI’s • Implement corrective and preventative actions (CAPA) • Reduce quality defects through process improvements. Leadership & Employee Development • Provide technical coaching to supervisors and operators. • Support employee training in equipment and manufacturing processes. • Assist with onboarding and cross-training initiatives. • Promote teamwork and continuous learning. • Participate in performance improvement discussion when technical support is needed. Project Management • Lead capital improvement projects • Assist in equipment layout modifications. • Support new product launches. • Coordinate engineering activities with outside vendors. • Participate in facility expansion and automation projects.