Field Service Technician Keeps customer equipment running safely and reliably through responsive field service.

DEPARTMENT

Service

REPORTS TO

Service Manager

LOCATION

Assigned Goodfellow Position Purpose The Field Service Technician sets up, maintains, troubleshoots, repairs, and tears down customer equipment, with a primary focus on mobile rock crushing equipment, conveyors, and related systems. This position works directly at customer sites to minimize downtime, support safe equipment operation, and provide responsive technical service. The technician also instructs customers on proper equipment use and works closely with Service, Parts, Sales, manufacturers, and technical support to strengthen customer relationships. Responsibilities Diagnose, Repair and Maintain Equipment Diagnose, troubleshoot, service, and repair mobile rock crushing equipment, conveyors, and related systems. Perform preventive maintenance and scheduled service to improve equipment reliability and reduce customer downtime. Repair or replace conveyor belts, steel hoppers, wear components, and other mechanical components as required. Perform basic welding and fabrication repairs in the field as needed. Read and interpret basic electrical and hydraulic schematics to assist with equipment diagnosis and repair. Use calipers, feeler gauges, tape measures, and other measuring tools accurately when inspecting or repairing equipment. Set Up Equipment and Support Customers Set up, commission, relocate, and tear down crushing plant equipment and related systems at customer locations. Instruct customers on the safe and proper operation of rented or purchased equipment. Communicate clearly with customers regarding equipment condition, repairs, service recommendations, and next steps. Coordinate with Goodfellow Service, Parts, Sales, and manufacturer technical support to resolve equipment issues efficiently. Support customer relationships by providing professional, responsive, and solutions-focused field service. Document and Maintain Field Operations Document service work, repairs, parts used, equipment condition, and other required information accurately and promptly. Maintain assigned tools, service equipment, and company vehicle in clean, safe, and serviceable condition. Maintain required vehicle documentation and comply with applicable company and DOT requirements when operating company vehicles. Prioritize field assignments and communicate delays, additional repair needs, or unresolved technical concerns promptly. Own Safety and Compliance Follow all Goodfellow safety policies, customer-site rules, and applicable OSHA, MSHA, and DOT requirements. Work safely in above-ground mines, rock quarries, aggregate operations, and other industrial environments. Use required personal protective equipment and follow safe work practices around heavy equipment, stored energy, elevated work, and moving machinery. Identify and report hazards, unsafe conditions, equipment concerns, and incidents promptly; stop work when conditions cannot be safely controlled. Measures of Success

• Safe, accurate diagnosis and repair
• Equipment uptime and responsive service
• Complete, timely service documentation
• Customer communication and satisfaction
• Preventive-maintenance completion
• DOT/MSHA/company safety compliance Qualifications High school diploma, GED, or an equivalent combination of education and relevant experience.

Valid driver's license and driving record that meets company requirements. Hands-on mechanical experience with heavy equipment, industrial equipment, crushing equipment, conveyors, or similar machinery. Basic welding and fabrication experience. Ability to understand basic electrical and hydraulic schematics. Ability to safely use hand tools, power tools, measuring tools, and equipment required for field service work. Clear customer communication, problem-solving skills, and the ability to work independently in the field. Previous aggregate, crushing and screening, mining, construction, heavy-equipment, or MSHA experience is highly valued. Supervisory Responsibilities This position does not have direct supervisory responsibilities. Goodfellow Corporation | Field Service Technician Updated 09/23/2026 GOODFELLOW

CORPORATION

Work Environment and Physical Requirements This position is performed primarily in the field at customer locations, including aggregate operations, rock quarries, above-ground mining sites, construction or industrial sites, and equipment yards. Work may involve heavy equipment, moving machinery, dust, dirt, noise, weather, uneven terrain, grease, oils, and other industrial conditions. The employee must be able to stand, walk, bend, stoop, kneel, climb, reach, push, pull, work around heavy equipment, and safely lift and/or move up to 50 pounds. Required personal protective equipment must be worn. Travel and Schedule Regular travel within the assigned service area is required. Overnight travel may be necessary depending on customer needs and field assignments; trips are generally fewer than five days at a time. Work schedules may vary based on service demand and may include extended hours. Field service technicians should be prepared for approximately 40-60 hours per week when business needs require, with schedules varying by assignment. Safety and Compliance Safety is an essential responsibility of this position. The Field Service Technician must maintain required training and qualifications, follow company and customer-site procedures, use required PPE, comply with applicable OSHA, MSHA, and DOT requirements, and report hazards or unsafe conditions promptly. Equal Employment Opportunity Goodfellow Corporation is an equal opportunity employer. We value different experiences and perspectives and are committed to a respectful, inclusive workplace. Employment decisions are based on business needs, job requirements, individual qualifications, and merit, consistent with applicable federal, state, and local law. Other Duties This job description describes the general nature of the position and is not a complete list of every duty or responsibility. Duties may change as operational and business needs evolve.