Ammonia Refrigeration Technician I — 3rd Shift

High Liner Foods; Portsmouth (NH); On-site; USD 65,000 - 85,000; Full time

Job summary

High Liner Foods in Portsmouth, NH seeks a Refrigeration Technician I for the 3rd shift (2:00 am – 10:30 am). You will operate, inspect and repair ammonia refrigeration systems in a frozen food manufacturing environment.

The role emphasizes planned maintenance, IIAR/ASHRAE compliance, and safety, with collaboration across a range of teams. On-site, full-time position offering growth opportunities.

Qualifications

• Minimum 3 years of HVAC and refrigeration experience.
• Prefer ammonia-based systems experience.
• Ability to manage administrative and technical aspects of the job.

Responsibilities

• Operate, inspect and repair ammonia refrigeration systems in a frozen food manufacturing environment.
• Provide planned, scheduled maintenance of equipment to minimize unplanned outages and costly repairs.
• Perform periodic inspections to locate and determine causes of malfunctions.
• Assist with capital refrigeration projects to come in on time and within budget.
• Maintain and inspect plant fire prevention and emergency response systems and equipment.
• Assist with general building maintenance as required.

Skills

HVAC experience

Refrigeration experience

Ammonia systems

Job description

High Liner Foods in Portsmouth, NH seeks a Refrigeration Technician I for the 3rd shift (2:00 am – 10:30 am). You will operate, inspect and repair ammonia refrigeration systems in a frozen food manufacturing environment.

The role emphasizes planned maintenance, IIAR/ASHRAE compliance, and safety, with collaboration across a range of teams. On-site, full-time position offering growth opportunities.