Diesel mechanic/project manager

ZACHERY CASTELLANOS

503-***-**** ️ ****************@*****.***

Professional Summary

Versatile and results-driven technician with 10+ years of hands-on experience in industrial equipment maintenance, HVAC systems, diesel engines, and heavy machinery repair. Proven track record in troubleshooting, project management, and safety compliance. Skilled in welding, fabrication, and mechanical systems with certifications in forklift operation/instruction and OSHA safety standards. Adept at leading teams, managing vendor relationships, and improving operational efficiency. Core Competencies

• HVAC & Industrial Chiller Systems

• Diesel & Heavy Equipment Maintenance

• Hydraulic Component Rebuild & Repair

• Welding (MIG, Stick, Arc) & Fabrication

• Project Management & Vendor Coordination

• OSHA Safety Compliance & Training

• Troubleshooting & Non-POR Repairs

• Forklift Operation & Certification Instruction

• Customer Service & Team Leadership

Professional Experience

FST Corp. – HVAC Chiller Technician / Project Manager (April 2023 – Present)

● • Service and maintain Korean OEM industrial chillers for Intel and other high-tech clients.

● • Manage all vendor and parts supplier communications, ensuring parts meet strict manufacturing standards.

● • Oversee contractor selection, bid evaluation, and project execution for CEO-approved initiatives.

● • Serve as OSHA Representative and Shop Safety Coordinator, implementing safety protocols and training.

● • Certified forklift operator and in-house instructor/certifier.

● • Lead shop organization and workflow improvements. Intel Corp. – Maintenance Technician (LAM’s RCL Ash Tools) (Oct 2019 – April 2023)

● • Performed troubleshooting, repair, and maintenance on semiconductor manufacturing equipment.

● • Achieved Level 3 certification; served as module lead and trainer for new hires.

● • Conducted non-POR (Process of Record) repairs to reduce downtime and maintain production targets.

Caterpillar Inc. – Hydraulic Component Technician (Sept 2018 – Oct 2019)

● • Rebuilt and repaired hydraulic systems for a wide range of Caterpillar machinery.

● • Performed field service calls for component removal and installation.

● • Operated cranes, hoists, and heavy machinery; skilled in MIG/stick welding, torch cutting, and fabrication.

Mauer Truck Repair, Inc. – Diesel Mechanic (Aug 2016 – Sept 2018)

● • Repaired and maintained dump trucks, OTR trucks, off-road vehicles, and trailers.

● • Completed rear-end rebuilds, motor swaps, and transmission replacements.

● • Performed welding, cutting, and custom metal fabrication. Pihl Excavating – Diesel Engine Mechanic (June 2015 – May 2016)

● • Maintained and repaired earthmoving equipment including dozers, excavators, and compactors.

● • Fabricated and welded custom metal parts to restore or improve equipment function. Far West Recycling – Maintenance Mechanic (Dec 2013 – June 2015)

● • Serviced front-end loaders and mechanically driven sorting systems.

● • Maintained chains, sprockets, bearings, belts, and structural components. Fred Meyer – Gas Station Attendant (Sept 2011 – Sept 2013)

● • Delivered exceptional customer service and handled cash transactions.

● • Served as team lead to ensure smooth daily operations. Klauson Construction – Laborer (2008 – 2009)

● • Assisted in residential remodeling and equipment operation. Buxton Feed Co. – Laborer (2005 – 2007)

● • Managed livestock and harvested crops; operated farm equipment and forklifts. Education

WyoTech, Laramie, WY – Associates Degree, Specialized Technology – Diesel Technician

(Sept 2009 – Aug 2010)

Banks High School, Banks, OR – Coursework in Welding, Metal Fabrication, Construction, and Automotive Technology

Certifications

• Forklift Operator & Instructor Certification – Overtone Safety

• OSHA Safety Representative Training

• Level 3 Equipment Maintenance Certification (Intel)

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