Lead Ammonia Refrigeration Maintenance Technician

We're looking for a skilled Ammonia Refrigeration Technician to join our maintenance team. In this role, you'll be hands‑on with the systems that keep our cold storage facility running — especially industrial refrigeration systems using ammonia, CO2, or Freon. You’ll troubleshoot, repair, and maintain refrigeration equipment while following strict safety and regulatory standards.

• Perform inspections, repairs, and preventative maintenance on ammonia refrigeration systems (and CO2/Freon systems as needed)

• Conduct testing to ensure systems operate within design specifications and safety guidelines

• Support refrigeration operations through equipment calibration, adjustments, and performance evaluations

• Log completed work in our CMMS (computerized maintenance system) daily

• Perform general maintenance on electrical systems, building infrastructure, and warehouse equipment

• Monitor and assist contractors working on or near ammonia systems to ensure compliance with safety procedures

• 2+ years of industrial refrigeration experience, including ammonia systems (REQUIRED)

• Knowledge of Freon and CO2 refrigeration systems a plus

• Completion of (or ability to complete)
  CARO or Refrigeration Operator I certification within 6 months of hire

• Working knowledge of P&IDs, safety controls, and refrigerant regulations

• Mechanical aptitude, including working with tools and systems in an industrial/warehouse environment

• Basic electrical, instrumentation, pneumatic, and hydraulic experience (especially in automated environments)

• Trade school or technical training in refrigeration or electrical systems

• Experience maintaining equipment in food production, cold storage, or industrial warehousing settings

• Ability to use motorized lifts, hand tools, and diagnostic equipment safely and effectively

• Temperature ranges from
  -20°F in freezer zones to 100°F in dry storage areas (gear provided)

• Must be able to lift 40+ lbs.

• Flexibility to work various shifts or weekends when needed

• Must be comfortable working around noise and at heights (some locations)

Ammonia refrigeration is the backbone of our cold storage operations. Your expertise helps us safely preserve food and protect critical supply chains. You’ll be joining a team that values your skill set, supports your certifications, and provides opportunities to grow.

This is an excellent position to begin your career path within Lineage! Success in this role enables greater responsibilities and promotions! A career at Lineage starts with learning about our business and how each team member plays a part each and every day to satisfy our customers’ requirements. Beyond that, you’ll help us grow and learn on our journey to be the very best employer in our industry.

We’ll ask you for your opinion and ensure we do our part to keep you developing and engaged as we grow our business. Working at Lineage is energizing and enjoyable. We value respect and care about our team members.

Lineage is an Equal Employment Opportunity Employer and is committed to compliance with all federal, state, and local laws that prohibit workplace discrimination and unlawful harassment and retaliation. Lineage will not discriminate against any applicant on the basis of race, color, age, national origin, religion, physical or mental disability or any other protected status under federal, state and local law.

Lineage provides safe, stable, reliable work environments, medical, dental, and basic life and disability insurance benefits, 401k retirement plan, paid time off, annual bonus eligibility, and a minimum of 7 holidays throughout the calendar year.