Ammonia Technician

Job Title: Ammonia Technician
Job Description
As an Ammonia Technician, you will maintain ammonia and HVAC cooling systems, ensuring high equipment availability rates. You will utilize preventive and predictive maintenance processes to rapidly troubleshoot equipment breakdowns and restore equipment to service promptly. Your role will involve proactively seeking methods of improvement by communicating with supervisors, other system technicians, and contractors.
Responsibilities

• Respond to any breakdowns, including boilers and air compressors, especially when on call.
• Perform charging, evacuation, and pressure testing of system vessels and components during projects and Line Breaking procedures in accordance with established policies and industry standards.
• Install and replace refrigeration system components and associated equipment, following the guidelines set forth by the management of change procedure.
• Lift and carry less than 100 lbs frequently; handle objects with manual dexterity; reach outward and climb frequently around equipment and occasionally use ladders to access roofs.
• Execute diagnostics and repair of valves, controls, and pumps in ammonia systems.
• Fabricate and fit system components using power and hand tools.
• Perform regular preventive maintenance tasks to prolong the lifespan and utility of equipment.
• Test lines, components, and connections to locate leaks.
• Work independently with minimal supervision and communicate effectively.
• Pass a respirator fit test.
• Perform basic maintenance on production equipment when necessary.

Essential Skills

• Strong electrical, mechanical, pneumatic, and hydraulic skills.
• Ability to read and understand technical diagrams.
• Solid working experience with two-stage ammonia systems, mechanical, electrical, and troubleshooting.
• Minimum of 3 years of experience in Industrial Maintenance & Refrigeration.
• Experience with preventive/predictive maintenance procedures in ammonia refrigeration systems.
• Blueprint and schematic reading skills.
• Experience working on screw compressors, ammonia pumps, controls, ammonia valve stations, spiral freezers, and chill water systems.
• RETA or Operator 1 or 2 certification required.

Additional Skills & Qualifications

• Steam boiler experience and thermal fluid boiler experience are a plus.
• 24 hr./40 hr. Hazmat training is a plus.
• Knowledge of electrical motor control or PLC is a plus.
• PSM training is a plus.
• Ability to read and understand documents.
• Availability to work nights, weekends, and holidays as needed.
• Ownership of hand tools.
• Good observation skills.

Why Work Here?
Join a team that values innovation and continuous improvement. We provide opportunities for professional growth and the chance to work with cutting-edge technologies. Our company fosters a collaborative and inclusive environment where your contributions are recognized and rewarded.
Work Environment
This role operates within a food and beverage manufacturing environment, predominantly in freezer and cold conditions.
Job Type & Location
This is a Contract to Hire position based out of Greenville, TX.
Pay and Benefits
The pay range for this position is $34.00 - $40.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Greenville,TX.
Application Deadline
This position is anticipated to close on Apr 14, 2026.

About Aerotek:

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meets their goals, skills and interests. Since 1983, we have provided a variety of career opportunities across North American industry - from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role solving for companies' construction, manufacturing and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are everything spirit to the test as your career continues to grow.


Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.


The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.