Shift Engineer

Development Authority; Martinsburg, Northern (WV, KY); 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.