Field Service Technician – Fired Equipment

Field Service Technician – Fired Equipment Location(s)

Atlanta, Georgia | Charlotte, North Carolina | Chicago, Illinois | Dallas, Texas | Denver, Colorado | Houston, Texas | Kansas City, Kansas | Nashville, Tennessee | Phoenix, Arizona | St Paul, Minnesota

John Zink is hiring a Field Service Technician in the Fired Equipment Group supporting customers across a range of industries including colleges, hospitals, refineries, petrochemical facilities, plastics manufacturing, and other industrial heating environments.

This is a home-based role where you will operate from your location while traveling to customer sites nationwide approximately 75% of the time. Candidates must live within reasonable commuting distance of a major airport to effectively support travel requirements.

John Zink Company, a Koch Engineered Solutions (KES) company, serves customers with innovative, engineered-to-order solutions. Our equipment group business supplies components for applications in various markets with a focus on the refining and petrochemical industry. Our Field Service Technicians support our customers at their sites across the country with commissioning, maintenance and other service needs.

• Travel from your home base to customer facilities to support electrical/mechanical installation, inspection, troubleshooting, and repair of fired equipment across a variety of industrial heating applications
• Diagnose and resolve electrical issues on combustion systems, including burner components, fuel trains, valves, dampers, and associated hardware
• Provide technical expertise on register burners, duct burners, and utility burners, including startup support, tuning, mechanical adjustments, and performance optimization
• Lead with safety in all aspects of field execution, proactively identifying and mitigating risk while working in live industrial environments; model and reinforce PBM culture through ownership and sound judgment
• Interpret P&IDs, mechanical drawings, and system layouts to identify issues and implement effective, field‑ready solutions
• Support and interface with instrumentation and controls systems (PLCs, HMIs, and control logic) to assist with system operation and troubleshooting
• Calibrate, test, and maintain field instrumentation such as transmitters, valves, actuators, and 4–20 mA loop devices to support overall system performance
• Build strong, trust-based relationships with customer operations and maintenance teams through clear communication and consistent, high-quality service execution
• Maintain accurate documentation including service reports and updates to drawings while adhering to safety and compliance expectations

• Experience troubleshooting, installing, and maintaining industrial electrical, instrumentation, and mechanical systems
• Experience working with PLC-based control systems (e.g., Allen‑Bradley, GE), including troubleshooting and interfacing with control systems
• Ability to read and interpret P&IDs, electrical schematics, and control systems
• Willingness and ability to travel approximately 75%
• Valid driver’s license and ability to obtain a Transportation Worker Identification Credential (TWIC) within six (6) weeks; ability to travel from a major airport

• Ability to lift up to 50 lbs occasionally and 25 lbs routinely.
• Ability to bend, stoop, crawl, climb, and maneuver around industrial equipment and piping.
• Ability to work in outdoor environments, sometimes for extended or irregular workdays.
• Ability to enter and work in confined or enclosed spaces for extended periods.
• Visual and auditory capability to safely perform electrical and mechanical diagnostics.

• Field service experience supporting industrial fired equipment or combustion systems within refining, petrochemical, power generation, pulp & paper, or industrial heating environments
• Hands‑on experience working with OEM burner systems, including John Zink, Coen, TODD or Peabody
• Experience performing startup, tuning, and performance optimization of register burners, duct burners, or utility burners
• Experience working with Allen‑Bradley PLC…