Service Technician - HVAC III

MSS Solutions, LLC; Lexington (SC); On-site; USD 52,000 - 79,000; Full time

Job summary

MSS Solutions, LLC is hiring a Service Technician – HVAC III to support preventative maintenance, troubleshooting, and repair of light to mid-size commercial HVAC equipment. The role requires deep knowledge of electrical systems, duct design, and DDC control components, with responsibilities including equipment logs and coordination with team members.

Based in the Lexington, SC area, the technician will work under supervision, perform scheduled maintenance, and ensure safety and accuracy in all

Qualifications

• Universal EPA certification.
• Ability to understand mechanical drawings and equipment specifications.
• Troubleshoot complex high and low-voltage electrical systems; read wiring schematics.
• Understand large HVAC equipment (>25 tons), SWUD units, VRF, chillers and pumps.
• Thorough understanding of DDC controls and pneumatic systems.
• Ability to communicate with customers and explain complex technical issues.

Responsibilities

• Assist the Senior HVAC technicians.
• Perform preventative maintenance contracts.
• Troubleshoot, repair, and maintain light commercial equipment.
• Log maintenance and equipment data; document in project database.
• Complete assigned tasks with minimal call-backs and timely paperwork.

Skills

Universal EPA certification

Mechanical drawings

Electrical troubleshooting

Wiring schematics

HVAC equipment knowledge

DDC controls & pneumatics

Customer communication

Valid driver's license

Background check & drug test

Heavy physical work

Job description

A career at MSS is more than the work you do — it’s the people you work alongside, the opportunities to grow, and the impact you make along the way.

Our people are at the heart of everything we do. Since 1996, MSS has built a strong team by creating a workplace where people are respected, supported, and encouraged to grow. We believe in working together, taking pride in what we do, and giving our employees opportunities to build rewarding, long-term careers.

The well-being of our team members, including their health and financial security, is important to us. We take care of our team by offering market competitive benefits to all eligible employees.

Get a closer look at the work behind some key career paths at MSS:

MSS offers opportunities for students to explore the field of mechanical construction, security, controls, and fire & life safety. If you think this is the right path for you, we’d love to talk to you about our internship program. As an intern, you’ll have a chance to learn hands‑on the functional skills necessary to be successful in the industry.

MSS also offers DOL registered apprenticeship opportunities in North and South Carolina for:

Developing a construction workforce in our communities is crucial for the future of the industry. MSS is proud to take part in skilled trades training and mentorship programs by partnering with local groups committed to developing highly trained trades people.

Come grow with us! Are you looking for a career and not just a job? If so, we have many opportunities available. We strive to solve problems through passion and integrity and we’re looking for talented and creative people like you to help determine our company’s future.

As a result of our phenomenal growth, MSS Solutions, LLC has an opening for a Service Technician – HVAC III. If you are an experienced professional who is looking to grow your career and contribute fresh and innovative ideas to serve our customers, this is an opportunity you should explore!

A career at MSS is not just a job -- it's collaborating with the business's best talent. It's having a part in building a better future. It's making a difference in people's lives.

The success of MSS is a direct reflection of our team's dedication, passion, and hard work. Since 1996, MSS has taken pride in retaining some of the best talents in the industry by promoting a culture of respect, collaboration, and empowerment.

Role and Responsibilities

• Assist the Senior HVAC technicians.
• Perform preventative maintenance contracts.
• Troubleshoot, repair, and maintain light commercial equipment.
• Perform scheduled maintenance such as replacing belts/filters and identify anomalies in HVAC equipment.
• Log HVAC equipment such as refrigerant circuit, electrical circuit, condition of equipment, etc.
• Ability to braze, leak checks, and the evacuation process.
• Understands the commercial DX equipment up to/over 25 tons, intake/exhaust fans, split systems, heat pumps, water source heat pumps, min-splits, electric motor controls, etc.
• Communicate with Team Lead, Coordination Staff, Sales Staff, and customers.
• Complete equipment log sheets for Project Managers and upload them into the database.
• Complete assigned tasks with minimal call-backs
• Be responsive to supervisor and dispatcher.
• Complete all paperwork in an accurate and timely manner.
• Abide by basic safe work practices.
• Take care of and maintain company tools and company vehicle.
• Other such duties and responsibilities as assigned by the company from time to time.

Qualifications and Requirements

• Universal EPA certification
• Ability to understand mechanical drawings and equipment specifications
• Ability to troubleshoot complex high and low-voltage electrical systems. Expert ability to read wiring schematics.
• Has a thorough understanding of various equipment to include large unitary packaged equipment over 25 tons, SWUD units, VRF, basic air-cooled chillers, semi-hermetic compressors, dehumidification equipment, complex specialty equipment, air handlers of all types, simple boilers, cooling towers, water pumps, valves, actuators, and VFD's.
  • Proficient with troubleshooting, repairing, and maintaining all components of the above equipment.
  • Complete understanding of the sequence of operation and control strategies for the above equipment
• Thorough understanding of airflow for variable air volume systems. Must understand duct design for these systems and control strategy.
• Understanding of DDC control components and pneumatic systems
• Demonstrated experience in understanding basic refrigerant cycle, various heating components, and air distribution systems.
• Ability to communicate with customers and explain complex technical issues in laymen's terms
• Valid driver's license and acceptable driving record
• Must successfully pass a background check and drug test.
• Physical Demands: Occasional sitting, frequent stooping, crouching, kneeling, balancing and climbing. Constant standing, walking, reaching and gripping. Vision abilities required for this job include close vision, distance vision, color vision, peripheral vision, depth perception and the ability to adjust focus. Must be able to talk and hear. Occasional lifting up to 50 lbs. (maximum solo lift) and constant lifting to 25 lbs., placing this position in the very heavy physical demand classification (PDC).
• Material Handling: Frequent lifting up to 50 lbs. and constant lifting up to 25 lbs., placing this position in the very heavy physical demand classification (PDC).

Work Environment

Exposure to weather, extreme heat or cold, high noise intensity level, atmospheric conditions, exposure to electrical shock, exposure to toxic or caustic chemicals, wet and/or humid, vibration, proximity to moving mechanical parts, working high exposure places.

At MSS, we value our employees by providing a supportive culture with competitive compensation and a benefits package that continues to evolve based on our business's growth and our employees' needs. Currently, our benefits include:

• MSS Solutions, LLC is an equal opportunity employer and a drug-free environment.
• All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

MSS Solutions, LLC is an EQUAL OPPORTUNITY EMPLOYER and a DRUG-FREE ENVIRONMENT. All qualified applicants will receive equal consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.