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Ammonia Tech Jobs in Iowa (NOW HIRING)

Cargill

Maintenance Technician

Mason City, IA · On-site

$26.55 - $40.55/hr

Optimize ammonia operations through the use of the Logix system * Writing and review of task ... Predictive Technology Experience * Experience working with SAP * Ability to read & interpret detail ...

Cargill

Maintenance Technician

Mason City, IA · On-site

$26.55 - $40.55/hr

Optimize ammonia operations through the use of the Logix system * Writing and review of task ... Predictive Technology Experience * Experience working with SAP * Ability to read & interpret detail ...

Cargill

Maintenance Technician

Mason City, IA · On-site

$26.55 - $40.55/hr

Optimize ammonia operations through the use of the Logix system * Writing and review of task ... Predictive Technology Experience * Experience working with SAP * Ability to read & interpret detail ...

Cargill

Maintenance Technician

Mason City, IA · On-site

$26.55 - $40.55/hr

Optimize ammonia operations through the use of the Logix system * Writing and review of task ... Predictive Technology Experience * Experience working with SAP * Ability to read & interpret detail ...

Mintex Technology

Assistant Plant Engineer

Denison, IA · On-site

$115K - $140K/yr

PLC and ammonia refrigeration experience (required) * Food manufacturing experience required * Strong knowledge of maintenance systems and CMMS * Experience with TPM, preventive/predictive ...

Mintex Technology

Maintenance Supervisor

Denison, IA · On-site

Ammonia refrigeration experience * Meat processing / food manufacturing experience * Experience with TPM and CMMS systems * Strong leadership and team development skills * Bilingual (preferred)

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Ammonia Tech information

See Iowa salary details

$19

$30

$47

How much do ammonia tech jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for ammonia tech in Iowa is $30.75, according to ZipRecruiter salary data. Most workers in this role earn between $26.39 and $33.17 per hour, depending on experience, location, and employer.

What does an ammonia tech do?

An Ammonia Tech, or Ammonia Technician, is responsible for operating, maintaining, and repairing ammonia refrigeration systems commonly used in industrial settings like food processing plants, cold storage facilities, and ice rinks. Their job includes monitoring system performance, conducting preventative maintenance, troubleshooting issues, and ensuring compliance with safety and environmental regulations. Ammonia Techs play a critical role in keeping refrigeration systems running efficiently and safely, as ammonia is a hazardous refrigerant that requires specialized handling and knowledge.

What are the key skills and qualifications needed to thrive as an ammonia tech?

To thrive as an Ammonia Technician, you need a solid understanding of refrigeration systems, ammonia safety protocols, and mechanical troubleshooting, often backed by a relevant technical diploma or certification. Familiarity with programmable logic controllers (PLCs), refrigeration monitoring systems, and EPA or RETA certifications is typically required. Attention to detail, effective communication, and strong problem-solving abilities distinguish top performers in this field. These skills are vital to ensure safe, efficient operation and maintenance of ammonia refrigeration systems, minimizing downtime and hazards.

What is the difference between Ammonia Tech vs Refrigeration Technician?

AspectAmmonia TechRefrigeration Technician
CertificationsAmmonia refrigeration certification, HVAC licensesHVAC/R certifications, EPA 608
Work EnvironmentIndustrial ammonia refrigeration systems, chemical plantsCommercial and residential refrigeration, HVAC systems
Industry UsageFood processing, cold storage, chemical industriesSupermarkets, restaurants, HVAC services

Ammonia Techs specialize in ammonia-based refrigeration systems used mainly in industrial settings, requiring specific certifications. Refrigeration Technicians work on a broader range of refrigeration and HVAC systems in commercial and residential environments. While both roles involve refrigeration, Ammonia Techs focus on ammonia systems, whereas Refrigeration Technicians handle various refrigerants across different settings.

How long does it take to become an ammonia tech?

Becoming an ammonia technician typically requires completing a technical training program or apprenticeship that lasts several months to a year, depending on the specific requirements and certifications needed. Candidates often need to obtain safety and handling certifications, such as ammonia refrigeration licenses, which can add additional time to the process.

Is ammonia refrigeration a good career?

Ammonia Techs work with refrigeration systems that use ammonia as a refrigerant, often in industrial or commercial settings. The career offers steady employment, requires technical skills, and often involves certifications such as EPA or OSHA training. It can be a stable and well-paying field for those with technical aptitude and safety awareness.

What are popular job titles related to Ammonia Tech jobs in Iowa?

For Ammonia Tech jobs in Iowa, the most frequently searched job titles are:

What job categories do people searching Ammonia Tech jobs in Iowa look for?

The top searched job categories for Ammonia Tech jobs in Iowa are:

Ammonia Tech jobs near you
Infographic showing various Ammonia Tech job openings in Iowa as of August 2026, with employment types broken down into 1% As Needed, 71% Full Time, 17% Part Time, 10% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $63,969 per year, or $30.8 per hour.

Ammonia Refrigeration Technician

Mary Ann's Specialty Foods Inc

Webster City, IA • On-site

Full-time

Re-posted 10 days ago

Job description

Description:

Utilities Technician

Description

Assure the Utilities Systems involving Ammonia Refrigeration, Compressed Air, Boilers, Steam, Condensate Return, Glycol, Brine, HVAC, Fire Sprinklers, Fire Pumps, Fire Risers, Wastewater Pretreatment, and Natural Gas are operated, inspected,

And maintained in a safe, productive, and reliable manner to meet our business needs and comply with regulatory requirements including Process Safety Management (PSM) and our Risk Management Plan for environmental.

Responsibilities:

  • Perform Housekeeping of various Equipment, Engine, and Mechanical Rooms.
  • Perform Labeling and Tagging of systems and/or checks for verifications.
  • Work with a qualified Engineer-On-Duty to learn and train to take Rounds and achieve taking Rounds by yourself.
  • Provide assistant and perform, as needed, Building Maintenance tasks.
  • Work with a qualified Engineer-On-Duty to learn and train to work on, eventually alone after being signed off, the monitoring for operations and maintenance of the Utilities Systems mentioned in the General Function.
  • Participate in reviewing, red-lining, and updating Standard Operating Procedures (SOP’s), as well as, utilize the SOP’s to perform the operations and maintenance on the systems.
  • Perform Maintenance Tracking Sheet (MTS) Inspections for the Mechanical Integrity of the Ammonia Refrigeration Systems.
  • Perform IIAR Bulletin 109 Inspections for the Ammonia System Equipment.
  • Perform Friends Helping Friends (FHF’s) checks as required monthly.
  • Participate in Incident and Accident Investigations if they arise.
  • Participate in the TPM Seven Step Process for search of root causes.
  • Fill in for Coverage for other technician positions during their leave.
  • Perform non-routine tasks that support the business needs as assigned.
  • Order parts as needed.
  • Focus direction for predictive and preventive maintenance measures to avoid/eliminate downtime of utilities’ systems.
  • Participate to seek understanding and provide corrective responses to the Fire Alarm, Fire Sprinklers, Fire Risers, and ADT Systems.
  • Perform various other duties as directed by the Utilities System Manager and/or the Utilities Resource to include assistance with other departmental issues.

Qualifications

Qualifications & Characteristics:

Education: Associate degree in Industrial Ammonia refrigeration technology, HVAC, or equivalent preferred. Relevant technical experience may substitute for education requirements.

Experience: Minimum six (6) years’ experience as an ammonia operator and technician preferred. Strong Electrical and Maintenance Skills required. Understanding and experience with PSM implementation and system maintenance preferred.

Good written and communication skills. Knowledge of MS Word, Excel, MS Access, SAP

Job

Engineering/Packaging

Primary Location

Webster City, IA - US

Organization

Mary Ann’s Specialty Foods

Schedule

 Full-time

Unposting Date

Ongoing – Until filled

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.


Requirements: