Field Service Technician Jobs in Arizona

Your Job

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.

In this role, you will serve as a field expert supporting the installation, commissioning, troubleshooting, and maintenance of industrial fired equipment critical to safe and reliable operations. You will work directly at customer sites, partnering with operations and maintenance teams to provide technical guidance, resolve issues, and support overall system performance.

Travel

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.

Our Team

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 their commissioning, maintenance and other service needs.

What You Will Do

• 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

Who You Are (Basic Qualifications)

• 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

Physical & Work Environment Requirements

• 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.

What Will Put You Ahead

• 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 systems in combustion, boiler, or steam generation applications
• Knowledge of NFPA 70E electrical safety standards
• Experience modifying PLC logic

For this role, we anticipate paying $35 - $47 an hour. This role is eligible for variable pay, issued as a monetary bonus or in another form.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

Who We Are

As a Koch Engineered Solutions company, John Zink (JZ) is a global leader in emissions control and a pioneer in modern Smart Combustion solutions. Our research and development facilities make up the largest testing complex of its kind. Additionally, our worldwide service organization is the largest, most technically advanced team of its kind. We provide solutions to capture emissions, destroy pollutants, manage waste and heat vital processes to help industries operate more cleanly and efficiently.

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Our Benefits

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.

Equal Opportunities

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aquí, or tu).