Mark III Construction

HVAC Service Technician

Job Locations US-Southern California
Job ID
Regular Full-Time


Who we are:

Mark III Construction is growing, and we want you to grow your career with us! Our benefits, competitive compensation, and dedication to training and growth are what keep our employees happy but our work hard and play hard environment is what keeps everyone excited about coming to work every day. 


Mark III Construction is a commercial and industrial construction company headquartered in Sacramento, California. Founded in 1976, Mark III started as an electrical contractor with a vision to become a multi-trade construction company. Fast-forward, Mark III’s footprint extends from Central to Northern California with additional operating offices in Fresno.


Mark III takes a big picture approach to the construction process self-performing electrical, plumbing, processed piping, HVAC, low voltage, underground, pre-fabrication, and MEP design. Instead of multiple consultants and countless sub-contractors, the customer works with just one company to eliminate multiple profit layers and complexity of schedules. With an impressive project history in the industrial, commercial, biotechnology, and food-grade technology industries we are able to perform initial construction, tenant improvements, and remodeling. From construction to service, Mark III has the capabilities to support you from the beginning of your project to preventative maintenance for years after. In addition, our dedicated service team is available for 24/7 emergency service and has the capabilities to perform plumbing, electrical, HVAC, general maintenance repairs, and much more.


Mission: Leading the Evolution of Construction


Vision: Exposing the World to a New Way to Build


Core Values:

  • Teamwork
  • Integrity
  • Transparency
  • Innovation
  • Work Hard, Play Hard


What we offer:

Competitive Compensation, Personal Time Off, Internal and External Training, 401K, Medical, Dental and Vision


The Preventative Maintenance Service Technician role at Mark III offers hard working individuals the opportunity to build a career in HVAC with a cutting-edge company.   Technicians routinely perform tasks including maintenance, repair, replacement, and installation of heating and air conditioning equipment, controls and distribution systems.


  • Establish and maintain positive relationships with customers
  • Install, troubleshoot and repair HVAC units and heat pumps
  • Troubleshoot malfunctioning HVAC systems to determine the cause of the malfunction
  • Perform scheduled maintenance inspections and adjust, clean and calibrate various systems to assure proper system operation
  • Repair wiring and electronic components associated with automated building management systems
  • Replace expansion valves, compressors, motors, coil units and other component parts
  • Check distribution systems for proper velocity, volume, temperature, pressure, etc.
  • Prepare records and reports describing procedures, actions taken and recommended solutions
  • Prepare and submit requests for supplies and equipment
  • Complete all paperwork in a timely manner including invoices, quote requests and weekly timesheets.
  • Respond to emergency service requests
  • Willingness to travel and work overtime, when necessary
  • Follow all pertinent rules and regulations, guidelines, safety orders, departmental operating procedures and safety regulations to ensure that work is performed in compliance with applicable law.
  • Maintain all company tools, equipment, and company vehicle.
  • Employ good housekeeping practices at all job sites




  • Integrity in all interactions with customers and team members
  • Excellent work ethic
  • Team player
  • Strong mechanical aptitude
  • Solid knowledge of HVAC fundamentals



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.



  • High school diploma or general education degree (GED)
  • Trade school education a plus
  • Two (2) or more years of experience working with a variety of commercial HVAC systems and equipment including package units, boxcar units, split systems, and VAV systems
  • Refrigeration, boiler, and chiller experience a plus, though not necessary
  • Computer literate with the ability to navigate software programs via a tablet or smartphone


  • Industry certification (e.g. UTI, NATE)
  • Possession of a valid driver’s license with an acceptable driving record for the previous three years


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