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Field Service Technician - Vapor

Koch Business Solutions, LP
life insurance, parental leave, company vehicle
United States, Texas, Beaumont
Apr 16, 2026

Your Job

John Zink is hiring a Field Service Technician in the Vapor group to support refining and petrochemical clients in the Beaumont, TX region. In this remote role, you'll travel to customer sites to perform maintenance, troubleshooting, and commissioning on a wide range of electrical and mechanical equipment-including PLCs, VFDs, and combustion systems-while ensuring safe work practices and accurate technical documentation.

Frequent travel is required within your assigned region-up to 75%-with occasional travel across the United States as needed.

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 office to customer sites to perform preventative maintenance, testing, troubleshooting, and commissioning of a wide range of electrical and mechanical equipment. This includes, but is not limited to, pumps, motors, variable frequency drives (VFDs), positioners, valves, actuators, transmitters, combustion equipment, emissions monitoring equipment, digital recorders, and programmable logic controllers (PLCs).
  • Commission, troubleshoot, and modify various control systems, including PLCs (primarily Allen-Bradley and GE), proportional-integral-derivative (PID) loop controllers, VFDs, human-machine interfaces (HMIs), and other control devices.
  • Participate in an on-call rotation to provide customer support as needed.
  • Update technical documents and drawings (redlines) to reflect field modifications and corrections made during equipment commissioning.
  • Perform maintenance and inspections in confined spaces such as tanks, vaults, and crawl spaces.
  • Follow all safety procedures for confined space entry, including the use of gas detection monitors and retrieval systems.

Who You Are (Basic Qualifications)

  • Experience modifying, diagnosing, and troubleshooting PLCs, including Allen-Bradley, GE, and similar platforms.
  • Working knowledge and application of NFPA 70E electrical safety standards.
  • Experience reading and interpreting Piping and Instrumentation Diagrams (P&IDs), fabrication drawings, and electrical schematics.
  • Willingness and ability to travel more than 75% of the time.
  • Ability to obtain a Transportation Worker Identification Credential (TWIC) within six (6) weeks of employment.
  • Valid driver's license with the ability to operate a company vehicle and respond to customer needs as required.

Physical requirements

  • Able to lift up to 50# on occasion and 25# routinely, able to bend, stoop, crawl, climb and maneuver around skidded equipment and piping.
  • Able to hear distinct sounds, visualize all colors of spectrum and visually see up close and at distance.
  • This work is in an outdoor environment and long workdays on occasion.
  • Enter and exit confined spaces (may involve crawling, climbing, or crouching)
  • Work in tight or enclosed environments for extended periods
What Will Put You Ahead
  • Field experience in industries such as petrochemical, power generation, renewable energy, pulp & paper, or food processing.
  • Electrical journeyman license.
  • Experience with industrial electrical and electronic equipment, including motors, VFDs, positioners, valves, actuators, and transmitters.
  • Experience programming, calibrating, and configuring 4-20 mA loop devices and instrumentation.

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, aqui, or tu).

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