Derek Calloway

Profile

Senior Machine Operator with 11 years of experience running CNC and injection-molding equipment in high-volume automotive and plastics manufacturing environments. Certified in OSHA 30 and Six Sigma White Belt, with a track record of reducing scrap rates and increasing line throughput. Consistently maintains equipment uptime above 97% across multi-shift operations.

Work Experience

Senior Machine OperatorMar 2019 - Present

Midvale Precision Components, Akron, OH

Operated and fine-tuned a 5-axis CNC milling center producing 1,200+ automotive bracket assemblies per shift, holding tolerances within ±0.002 in. on 98.6% of units.
Reduced scrap rate from 4.1% to 1.7% over 8 months by implementing a pre-run checklist and adjusting coolant flow parameters, saving an estimated $43,000 annually in material waste.
Mentored 4 junior operators on setup procedures and SPC charting, cutting average new-hire ramp-up time from 6 weeks to 3.5 weeks.

Machine Operator IIJun 2016 - Feb 2019

Trenton Plastics Group, Canton, OH

Ran dual 350-ton injection-molding presses on rotating 12-hour shifts, producing 8,000–10,000 polypropylene components per day with a first-pass yield of 96.4%.
Identified a recurring flash defect traced to mold temperature variance and coordinated with the tooling team to recalibrate heater bands, eliminating the defect within 2 production cycles.
Completed 480+ hours without a recordable safety incident, contributing to the plant's first OSHA VPP Star recognition in company history.

Machine Operator IAug 2013 - May 2016

Kellerman Stamping Works, Youngstown, OH

Operated hydraulic stamping presses (up to 200 tons) producing sheet-metal components for HVAC OEMs, averaging 1,500 parts per shift at a reject rate under 2%.
Performed daily die changes and lubrication schedules on 6 machines, reducing unplanned downtime by 18% over a 12-month period.
Cross-trained on laser-cutting workstation, expanding department capacity by 11% during peak-season demand surges.

Profile

Work Experience

Education

Skills

Links