Eric Zieman
Armada
Summary
Heavy Equipment Mechanic and Field Technician with hands-on experience diagnosing, repairing, and maintaining heavy equipment, heavy-duty trucks, and light-duty vehicles. Strong foundation in electrical, hydraulic, and diesel systems with advanced troubleshooting skills using OEM diagnostic software and scan tools. Experienced in isolating complex system faults through data interpretation, circuit testing, and component-level validation.
CDL Class A licensed with practical experience hauling equipment and materials in field operations. Background includes dealership internship experience with Caterpillar equipment, providing exposure to industry-standard maintenance practices, contamination control procedures, and structured repair workflows.
Known for strong problem-solving ability, attention to detail, and the ability to work independently in field environments while maintaining safety and efficiency under pressure.
Overview
11
11
years of professional experience
Work History
Technician
F&M Contractors
Utica, MI
05.2016 - Current
- Operated and maintained tools for various construction tasks, ensuring compliance with safety protocols.
- Collaborated with team members to execute project plans efficiently and effectively on-site.
- Conducted routine inspections on equipment to identify maintenance needs and prevent downtime.
- Assisted in training new technicians on operational procedures and safety standards.
- Perform advanced diagnostics and repairs on heavy equipment, heavy-duty trucks, and light-duty vehicles in both field and shop environments
- Utilize OEM diagnostic platforms and OBD scan tools to retrieve, analyze, and interpret fault codes, sensor data, and system performance metrics
- Systematically troubleshoot complex electrical and mechanical issues using voltage drop testing, continuity checks, and known-good component validation
- Repair and replace critical components across hydraulic, electrical, fuel, and mechanical systems to restore full operational performance
- Support fleet uptime by quickly identifying root causes and executing effective repair solutions under time-sensitive conditions
- Operate CDL Class A equipment for safe transportation of machinery, attachments, and construction materials
- Communicate technical findings and repair recommendations to supervisors and team members to support efficient workflow and job planning
Technician Intern
Michigan CAT
Shelby Township, MI
05.2015 - 08.2015
- Assisted certified technicians with maintenance, inspections, diagnostics, and repair of Caterpillar heavy equipment
- Performed routine servicing including fluid changes, filter replacements, and preventative maintenance tasks
- Followed strict contamination control procedures to ensure system integrity and equipment longevity
- Supported diagnostic procedures and troubleshooting under supervision, gaining hands-on experience with dealership-level repair standards
- Developed foundational understanding of hydraulic, electrical, and diesel engine systems in heavy equipment applications
Education
Bachelor of Science - Heavy Equipment Service Engineering Technology
Ferris State University
Big Rapids, MI05-2018
Skills
- Heavy equipment diagnostics, repair, and maintenance
- Hydraulic systems troubleshooting (pumps, valves, cylinders, circuits)
- Diesel engine performance diagnosis and repair
- Powertrain systems (transmissions, driveline, differentials)
- Brake systems and air systems (heavy-duty applications)
- OEM diagnostic software utilization
- OBD scan tools and fault code interpretation
- Electrical system troubleshooting (wiring, sensors, ECM inputs/outputs)
- Voltage drop testing, continuity testing, circuit analysis
- Sensor and actuator diagnostics and validation
Heavy Equipment Systems
Electrical & Electronic Diagnostics
- Field service repair and roadside troubleshooting
- Preventative and corrective maintenance programs
- Component teardown, inspection, and replacement
- Use of technical manuals, schematics, and service documentation
- Equipment inspection and failure analysis
- CDL Class A licensed equipment transport and hauling
- Safe loading, securing, and movement of heavy machinery
- Contamination control procedures (shop and field compliance)
- Safety compliance and hazard awareness (OSHA-aligned practices)
- Efficient work prioritization in high-pressure environments
Mechanical & Field Service
Worksite & Operational Skills
Timeline
Technician
F&M Contractors
05.2016 - Current
Technician Intern
Michigan CAT
05.2015 - 08.2015
Bachelor of Science - Heavy Equipment Service Engineering Technology
Ferris State University