Industrial Refrigeration & Piping Field Technician

McDonough Mechanical Services Inc.; Baltimore (MD); On-site; USD 39,000 - 52,000; Full time

Job summary

McDonough Mechanical Services Inc. is a Baltimore-based provider of ammonia and halocarbon refrigeration services, piping, and HVAC support.

The Service Technician will perform daily maintenance and repair of industrial refrigeration and piping systems, troubleshoot issues, replace components and relief valves, and assist with piping installation and insulation. This on-site, full-time role requires strong field service skills, safety awareness, and the ability to communicate with customers

Qualifications

• Experience with industrial refrigeration, piping, and HVAC maintenance.
• Strong troubleshooting for mechanical, electrical, and control issues.
• On-site field service experience at customer facilities.
• Knowledge of ammonia and halocarbon systems; glycol systems.
• Familiarity with PSM/RMP and mechanical integrity.
• Ability to read technical drawings and P&IDs.

Responsibilities

• Perform daily maintenance and repair of industrial refrigeration and piping systems.
• Troubleshoot system issues and replace faulty components and relief valves.
• Assist with piping installation and insulation.
• Support mechanical integrity inspections and documentation.
• Conduct field service at customer sites and communicate service needs.
• Provide clear updates on work status to ensure safe, efficient operation.

Skills

Maintenance & Repair

Troubleshooting

Field Service

Customer Service

Ammonia refrigeration

Regulatory compliance

P&IDs reading

Technical training

Valid driver’s license

Travel willingness

Education

Trade training

Apprenticeship

Job description

McDonough Mechanical Services Inc. is a Baltimore-based provider of ammonia and halocarbon refrigeration services, piping, and HVAC support.

The Service Technician will perform daily maintenance and repair of industrial refrigeration and piping systems, troubleshoot issues, replace components and relief valves, and assist with piping installation and insulation. This on-site, full-time role requires strong field service skills, safety awareness, and the ability to communicate with customers