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Freelance Ammonia Process Engineer Jobs (NOW HIRING)

J&J Snack Foods

Process Engineering Lead

La Vergne, TN · On-site

$98K - $127K/yr

The Process Engineering Lead partners closely with cross-functional teams to translate product ... Provides engineering support for bakery utilities, including steam systems, ammonia refrigeration ...

United Employment Group

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Ammonia Refrigeration Technician

Henderson, NV · On-site

$32.96 - $40/hr

... programmable hardware such as input/output cards, backplanes, processor and various other logic ... Ammonia refrigeration maintenance experience preferred. * Must have the knowledge to diagnose and ...

RXinsider LTD.

Process Chemical Engineer II

Plano, TX · On-site

$80 - $110/hr

Process Chemical Engineer II We are seeking a Process Chemical Engineer II to design, specify, and ... ammonia peroxide treatment, copper slurry waste, chemical mechanical polish metal, and oxide waste

RXinsider LTD.

$80 - $110/hr

Process Chemical Engineer II We are seeking a Process Chemical Engineer II to design, specify, and ... ammonia peroxide treatment, copper slurry waste, chemical mechanical polish metal, and oxide waste

Ecolab

Process Chemical Engineer II

Plano, TX · On-site

$80K - $110K/yr

We are seeking a Process Chemical Engineer II to design, specify, and implement chemical ... ammonia peroxide treatment, copper slurry waste, chemical mechanical polish metal, and oxide waste

Ecolab

Process Chemical Engineer II

Plano, TX

$80K - $110K/yr

We are seeking a Process Chemical Engineer II to design, specify, and implement chemical ... ammonia peroxide treatment, copper slurry waste, chemical mechanical polish metal, and oxide waste

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How much do freelance ammonia process engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for freelance ammonia process engineer in the United States is $137,385.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,500.00 and $147,500.00 per year, depending on experience, location, and employer.

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Ammonia Refrigeration Technician 2nd Shift

Surlean Foods

Dallas, TX

Other

Re-posted 11 hours ago

Job description

Purpose
Extensive knowledge operating, testing, troubleshooting and repairing ammonia-based refrigeration systems, HVAC stand-alone “rack" systems, and boiler and hot water systems. Basic knowledge of General Maintenance and Electrical and Electronic Systems are also required. The associate must be able to work in a team environment, or individually with little or no supervision. Must comply with all Company SAFETY rules (LOCKOUT/TAGOUT, ETC), Good Manufacturing Practices (GMP’s), and all Process Safety Management (PSM) regulations.
PRIMARY DUTIES AND RESPONSIBILITIES:
  • Operation, testing, troubleshooting and repair of the ammonia-based refrigeration system, its sub-systems and all ancillary processes and/or equipment related to the operation of the refrigeration system.
  • Operation, testing, troubleshooting and repair of all rack-mounted, stand-alone gas refrigerant HVAC units.
  • Operation, testing, troubleshooting and repair of boiler and hot water systems, their sub-systems and all ancillary equipment related to the operation of the boiler and/or hot water systems.
  • Perform refrigeration, HVAC, boiler and hot water system PM’s.
  • Maintains the material integrity of the engine and utility rooms in accordance with established best practices.
  • Rebuilds ammonia, HVAC, boiler and hot water system components in accordance with technical manuals.
  • Complete all applicable documentation in performance of and as required by the job including but not limited to: PSM-related modifications or changes, Work Orders (WO’s), refrigeration system operation notes, and as deemed necessary by upper management.
  • Adheres to all Environmental Management Systems/ISO 14001 practices and procedures.
  • Adheres to all Company policies including but not limited to: safety, Good Manufacturing Practices (GMP’s) and Standard Operating Procedures (SOP’s).
  • Monthly Training on PSM Standard Operating Procedures,
  • Tri-annual Instructor led training on Ammonia Systems.
  • Daily rounds and inspections of Temperatures and Condition of Ammonia System.
  • Any other duties assigned by Plant engineer or supervisor.
CERTIFICATES, LICENSES, REGISTRATIONS: (Not Required)
  1. Ammonia Refrigeration Operator I
  2. Ammonia Refrigeration Operator II
  3. Ammonia Refrigeration Operator III
  4. PSM/RMP, meeting OSHA Standard 29CFR 1910.119
Working Conditions:
Frequently requires standing, lifting, walking, reaching, stooping, bending, smelling, listening, speaking, and seeing to perform the essential job duties.
Work conditions vary, quitting time will vary based upon production needs, and flexibility is critical. Temperatures range from 30 to 50 degrees in processing departments.
Exposure to potentially dangerous machinery and equipment are present in the plant. Potential electrical, mechanical, and chemical, hazards are also present. The noise level is high and constant. Floors are damp and slick.
Must be able to bend, stoop, pull and lift up to 50 lbs., and to stand for long periods of time.
Education And/Or Experience
High School Diploma or general education (GED); 3 to 5 years related experience and/or training; or equivalent combination of education and experience.

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