Ammonia (NH3) Technician - 3rd Shift

Cal-Maine Foods, Inc.; Franksville (WI); On-site; USD 65,000 - 85,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Health insurance

Free Life insurance

Paid time off

Vision insurance

Free Uniforms

Company stock

Job summary

Echo Lake Foods in Wisconsin is seeking an Ammonia (NH3) Maintenance Mechanic to operate and maintain our industrial ammonia refrigeration and utility systems in a refrigerated food production setting. You will perform preventive and corrective maintenance, troubleshoot alarms, and support safety programs in line with IIAR and PSM/RMP standards.

Ideal candidates have 3+ years of ammonia refrigeration experience, a high school diploma or GED, and CMMS experience; RETA CIRO/CARO certification is

Qualifications

• High school diploma or GED required; technical training preferred.
• 3+ years of industrial ammonia refrigeration experience.
• RETA CIRO/CARO certification strongly preferred.
• Strong knowledge of PSM/RMP, IIAR, and refrigeration best practices.
• Ability to read P&IDs, schematics, and technical manuals.
• Skilled in troubleshooting, mechanical repair, and CMMS use.
• Comfortable working in cold, wet, or confined environments and lifting up to 50 lbs.

Responsibilities

• Operate, monitor, and maintain ammonia refrigeration systems, compressors, condensers, and controls.
• Perform preventive and corrective maintenance per PSM/RMP and IIAR standards.
• Troubleshoot and resolve system issues; respond promptly to alarms.
• Conduct daily inspections and maintain required documentation.
• Support PSM/RMP compliance, audits, and safety training.
• Assist with plant utilities (boilers, air compressors, HVAC, water systems).
• Partner with production and maintenance teams to ensure system reliability.
• Follow all safety policies, including LOTO, confined space, and chemical handling.

Skills

Troubleshooting

CMMS use

P&ID reading

Mechanical repair

Education

High school diploma or GED

Technical training

RETA CIRO/CARO certification

Job description

Echo Lake Foods is a leading manufacturer of ready-to-eat egg products and breakfast foods, including waffles, pancakes, French toast, scrambled eggs, omelets, and egg patties, serving major retail, foodservice, and national restaurant customers across the United States. Founded in 1941 and headquartered in Burlington, Wisconsin, the company operates multiple production facilities throughout the Midwest and has built a strong reputation for quality, innovation, and customer partnerships.

In 2025, Echo Lake Foods was acquired by Cal-Maine Foods, Inc., the largest producer and distributor of fresh shell eggs in the United States, marking an exciting new chapter of growth. This partnership strengthens our resources, expands our capabilities, and supports continued investment in our people, facilities, and products. Creating new opportunities for employees to grow their careers within a stable and expanding organization.

The Ammonia (NH₃) Maintenance Mechanic ensures the safe and efficient operation of Echo Lake Foods’ industrial ammonia refrigeration and utility systems. This role performs preventive maintenance, troubleshooting, and repairs in compliance with IIAR standards, PSM/RMP programs, and company safety policies. Ideal candidates bring solid technical expertise, a proactive mindset, and experience in food or industrial manufacturing environments.

Schedule

Monday - Friday 11:00 PM - 7:30 AM one weekend day every other weekend.

Key Responsibilities

• Operate, monitor, and maintain ammonia refrigeration systems, compressors, condensers, and controls.
• Perform preventive and corrective maintenance per PSM/RMP and IIAR standards.
• Troubleshoot and resolve system issues; respond promptly to alarms.
• Conduct daily inspections and maintain required documentation.
• Support PSM/RMP compliance, audits, and safety training.
• Assist with plant utilities (boilers, air compressors, HVAC, water systems).
• Partner with production and maintenance teams to ensure system reliability.
• Follow all safety policies, including LOTO, confined space, and chemical handling.

Qualifications

• High school diploma or GED required; technical training preferred.
• 3+ years of industrial ammonia refrigeration experience.
• RETA CIRO/CARO certification strongly preferred.
• Strong knowledge of PSM/RMP, IIAR, and refrigeration best practices.
• Ability to read P&IDs, schematics, and technical manuals.
• Skilled in troubleshooting, mechanical repair, and CMMS use.
• Comfortable working in cold, wet, or confined environments and lifting up to 50 lbs.

Work Environment

This is a hands-on industrial role within a refrigerated food production setting. Technicians may work in cold or wet conditions and must comply with all PPE and safety standards.

Why Join Echo Lake Foods?

• 401(k)
• Dental insurance
• Health insurance
• Free Life insurance
• Paid time off
• Vision insurance
• Free Uniforms
• Company contributes 3% of your base pay in Company Stock — regardless of your contribution

We are an equal opportunity employer. We do not discriminate based on race, color, religion, age, sex, national origin, disability, military service, protected veteran status, genetic information, sexual orientation, gender identity, or any other characteristic protected by federal, state or local law.