Job Description

COMMERCIAL HVAC-R SERVICE TECHNICIAN

Refrigeration, Ice Machines & Kitchen Equipment

M.S. Johnston Company | Hagerstown, MD

Keep Critical Equipment Running. Deliver Exceptional Service.

M.S. Johnston Company is seeking an experienced Commercial HVAC-R Service Technician to join our growing service team. This position is responsible for troubleshooting, maintaining, and repairing commercial refrigeration systems, ice machines, and food service equipment at customer facilities throughout the region.

We are looking for a dependable, safety-focused technician who takes pride in solving problems, building customer relationships, and delivering high-quality service.

Who Thrives Here

This position is ideal for a hands-on professional who enjoys troubleshooting equipment, solving complex mechanical and electrical problems, and helping customers keep their businesses running.

Successful technicians are self-motivated, organized, customer-focused, and capable of working independently while representing M.S. Johnston professionally in the field.

What You'll Do

Service & Repair

Diagnose, troubleshoot, and repair commercial refrigeration systems, ice machines, and kitchen equipment
Inspect equipment and recommend corrective actions
Identify and resolve electrical, mechanical, and control-related issues
Perform equipment startups, operational checks, and testing
Complete service calls efficiently while maintaining quality workmanship

Preventative Maintenance

Perform preventative maintenance on refrigeration and kitchen equipment
Inspect equipment for wear, damage, and potential failures
Make recommendations to customers regarding maintenance, repairs, and equipment replacement
Help customers maximize equipment performance and reliability

Customer Service

Build strong relationships with customers through professional communication and service
Clearly explain findings, repair options, and recommendations
Maintain a positive and professional attitude while representing M.S. Johnston
Document service activities accurately and thoroughly

Emergency Response

Respond to emergency and after-hours service calls as needed
Troubleshoot equipment failures that impact customer operations
Work independently to diagnose problems and restore equipment to operation

Safety

Follow all company safety policies and industry best practices
Maintain a safe and organized work environment
Properly use tools, testing equipment, and personal protective equipment
Keep safety as a top priority at all times

Qualifications

Required

Experience servicing commercial refrigeration systems or commercial kitchen equipment
Experience servicing walk-in coolers, walk-in freezers, ice machines, and commercial refrigeration systems
Working knowledge of refrigeration cycles, electrical systems, controls, and mechanical troubleshooting
Ability to diagnose and repair equipment effectively and efficiently
Current Universal EPA Section 608 Certification (Required)
Current OSHA 10 Certification (Required)
Must have and maintain a standard set of personal trade tools appropriate for commercial HVAC-R and kitchen equipment service
Strong problem-solving and critical-thinking skills
Ability to work independently with minimal supervision
Excellent customer service and communication skills
Ability to lift, carry, climb, and perform physical work in commercial environments
Valid driver's license with a good driving record

Preferred

OSHA 30 Certification
Experience servicing reach-in refrigerators, reach-in freezers, prep tables, ice machines, and commercial cooking equipment
Experience with refrigeration controls and electronic troubleshooting
Commercial HVAC service experience
Experience using mobile service software and digital work order systems
Technical school training in HVAC/R, refrigeration, electrical, or mechanical systems
Military experience in mechanical, utilities, refrigeration, HVAC, facilities, or engineering specialties

Veterans Encouraged to Apply

We strongly encourage military veterans to apply, especially those with backgrounds in:

U.S. Navy Seabees
U.S. Air Force RED HORSE
HVAC, Utilities, and Refrigeration Specialists
Military Facilities and Public Works Organizations
Engineering and Mechanical Maintenance Specialties

Equivalent combinations of education, military service, and industry experience will be considered.

What Makes Someone Successful Here?

The best candidates will demonstrate:

Strong troubleshooting and diagnostic abilities
Excellent customer service skills
Strong work ethic and reliability
Professional communication
Mechanical and electrical aptitude
Attention to detail
Strong time management skills
Ability to work independently
Commitment to safety
Pride in workmanship and quality
A team-first attitude
Desire to continuously learn and improve technical skills

Why Join M.S. Johnston?

For more than a century, M.S. Johnston Company has built a reputation for quality, craftsmanship, accountability, and customer service. We are a growing commercial mechanical contractor serving customers throughout the Mid-Atlantic region.

We invest in our people, provide opportunities for advancement, and support ongoing training and professional development.

Employment Requirements

Employment with M.S. Johnston Company is contingent upon meeting pre-employment requirements and successfully completing the introductory employment period.

The selected candidate must:

Successfully pass a pre-employment drug screening
Successfully complete a 90-day introductory/probationary period
Maintain a valid driver's license and acceptable driving record
Maintain all required certifications necessary to perform the duties of the position
Maintain all personal trade tools required to perform the duties of the position
Be authorized to work in the United States

Tools & Equipment

Technicians are expected to provide and maintain their own hand tools and standard trade tools.

M.S. Johnston will provide a company vehicle, specialty diagnostic equipment, recovery equipment, electronic test instruments, and other company-issued tools and equipment as required to perform the job safely and effectively.

Compensation & Benefits

Competitive pay based on experience
Overtime opportunities
Access to a company vehicle
Health Insurance
Dental Insurance
Vision Insurance
Simple IRA with Company Match
Paid Time Off
Paid Holidays
Ongoing training and professional development
Career advancement opportunities within a growing organization

Ready to Join Our Team?

If you're an experienced HVAC-R professional who enjoys solving problems, working independently, helping customers, and building a long-term career, we'd like to hear from you.

Apply today and become part of the M.S. Johnston team.

M.S. Johnston Company is an Equal Opportunity Employer and Veteran-Friendly Employer.

Company Description

M.S. Johnston is a 94 year-old commercial mechanical contractor that believes in hiring great employees and then stepping out of their way and letting them do their jobs. We focus on operational efficiency that satisfies customers and leads to profitable growth. Most of our employees have been with us for 20+ years.

Company Description

MS Johnston Company

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