The Assistant Supervisor supports the daily operations, maintenance and supervision of the plant’s refrigeration systems, ensuring all equipment operates efficiently, safely, and in compliance with regulatory standards.

Essential Duties and Responsibilities

Supports Allen Harim’s vision, mission and values
Assist in supervising the daily activities of the refrigeration team to ensure smooth and efficient operation of all systems.
Monitor, troubleshoot, and maintain ammonia refrigeration systems, compressors, condensers, evaporators, and related equipment.
Support in scheduling and assigning work orders, preventive maintenance, and emergency repairs.
Ensure compliance with PSM (Process Safety Management), RMP (Risk Management Program), and other regulatory requirements (EPA, OSHA, etc.).
Maintain detailed logs and records of maintenance, inspections, and system performance.
Support startup, shutdown, and defrost operations as needed.
Assist in training and mentoring technicians on safety, procedures, and equipment operation.
Participate in system audits, inspections, and emergency response activities.
Monitor ammonia levels, pressures, and temperatures to ensure system reliability and safety.
Coordinate with production, maintenance, and safety departments to minimize downtime and maintain safe operations.
Ensure compliance with company safety policies and actively promote a safe work environment.
Assist in identifying opportunities for process improvement, energy savings, and system optimization.
All other related duties as assigned.

Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Note for level:

Basic: Incumbent is able to use their knowledge/skill with support by more experienced individuals.
Advanced: Incumbent is able to independently use their knowledge/skill.
Expert: Incumbent is able to train others on their knowledge/skill.

Education and/or Experience

High School Diploma or Equivalent
Five years of industrial refrigeration experience
Related technical training
RETA I – IV Certified (preferred)

Knowledge/Skills

High degree of attention to detail
Strong understanding of ammonia refrigeration systems, controls, and equipment.
Knowledge of PSM, RMP, and OSHA standards.
Strong troubleshooting and problem-solving skills.
Effective communication and leadership skills.
Computer proficiency for logging, maintenance tracking, and reporting.
Ability to work flexible hours, including weekends, holidays, and on-call shifts.

Supervisory Responsibilities

List the supervisory responsibilities the position must perform; include the department or position titles responsible for and the level of authority exercised in performing the responsibilities

N/A.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions

Must have the ability to enter all areas of the plant and offices being exposed to temperatures (hot and cold) as well as exposure to different levels of noise.

Work Environment

Work environment is predominantly wet and exposed to a variety of odors as well as presenting with hot and cold temperatures. Ice box storage and chilled warehouse conditions may be present with moderate to extreme levels of noise. Safety protection is provided.

Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time. This job description does not constitute a written or implied contract of employment.

Refrigeration Assistant Supervisor