[Skip to main content](#main-content)

[OpenNash Jobs](https://jobs.opennash.com/)
[Hiring report](/reports/hiring/) · [All Kraft Heinz Company jobs](https://jobs.opennash.com/companies/kraft-heinz-company/) · [Search jobs](/search/)

Kraft Heinz Company · Mason City Plant, IA

# Ammonia Refrigeration Technician

Mason City Plant, Iowa, United States of America Skilled Trades & Maintenance 

Listed on Kraft Heinz Company’s official careers site. Posted September 22, 2026. Check that it is still open and apply there.
[Apply on Kraft Heinz Company’s careers site →](https://jobs.kraftheinz.com/careers/job/1970324837529808)

[OpenNash Jobs](https://jobs.opennash.com/) / [Kraft Heinz Company](https://jobs.opennash.com/companies/kraft-heinz-company/) / Ammonia Refrigeration Technician

## Job description

Work 4 days, 4 days off, work 4 nights, 4 days off, repeat. Determine operational/mechanical failures in Utility areas, including boiler operations, waste water, water systems, ammonia and freon refrigeration, and compressed air equipment Replace components within the refrigeration system, with safe LOTO procedures and in accordance with PSM program. Responsible for helping with maintenance of all systems. Familiar with CMMS systems.

Help plant maintain compliance with all permits. Responsible for maintaining all federal, state, and local regulatory compliance parameters as required. (i.e.: wastewater discharge permit, SPCC, SWPPP, air emissions, etc Preferred: CFC Certification - Type I & Type II: (Minimum) as defined by EPA. Ammonia Operator 1 Certification preferred. Experience running boilers, refrigeration, compressed air, and/or waste water systems.

Electrical experience, 240V and below.

## At a glance
- Posted by the employer: Sep 22, 2026
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 26 days
- Location: Mason City Plant, Iowa, United States of America[Apply on Kraft Heinz Company’s careers site →](https://jobs.kraftheinz.com/careers/job/1970324837529808)

## More jobs at Kraft Heinz Company

### [Maintenance Manager](https://jobs.opennash.com/companies/kraft-heinz-company/jobs/19165fa08b4e81a8b007/)

Mason City Plant, Iowa, United States of America

### [Manufacturing Maintenance Technician](https://jobs.opennash.com/companies/kraft-heinz-company/jobs/245c3b807257e0d5ffe9/)

Mason City Plant, Iowa, United States of America

### [Manufacturing Team Member](https://jobs.opennash.com/companies/kraft-heinz-company/jobs/b7617beadca5187ed025/)

Mason City Plant, Iowa, United States of America

### [Production Supervisor](https://jobs.opennash.com/companies/kraft-heinz-company/jobs/d2e89f1e3aad04fe050d/)

Mason City Plant, Iowa, United States of America

### [Quality Manager](https://jobs.opennash.com/companies/kraft-heinz-company/jobs/1e1f4606052df67021d1/)

Mason City Plant, Iowa, United States of America

## Similar jobs at other companies

### [Ammonia Refrigeration Technician](https://jobs.opennash.com/companies/comfort-systems-usa/jobs/632a5a8935cd75ca5b73/)

Comfort Systems USA · Golden, CO

### [Ammonia Refrigeration Service Technician](https://jobs.opennash.com/companies/comfort-systems-usa/jobs/cc1f45e6f87efad51bae/)

Comfort Systems USA · Harrisonburg, VA

### [Maintenance Technician - Refrigeration Mechanic Ammonia Exp Req'd - Days](https://jobs.opennash.com/companies/coca-cola/jobs/3b7ddb14fcc3bcb8a9f6/)

Coca-Cola · Auburndale, FL, US

### [Maintenance Technician - Refrigeration Mechanic Ammonia Exp Req'd- Nights](https://jobs.opennash.com/companies/coca-cola/jobs/6e8d60649b460cb690ee/)

Coca-Cola · Auburndale, FL, US

### [Ammonia Refrigeration/Boiler Technician](https://jobs.opennash.com/companies/smithfield-foods/jobs/93b4caa43bdb936bf83b/)

Smithfield Foods · Sioux Falls, SD

OpenNash lists jobs from employers’ own careers sites and does not handle applications.
Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)