Senior Field Service Technician

HTS Engineering Ltd.•Manchester, NH
•$38 - $50•Onsite

About The Position

Control Technologies, Inc. (CTI) is seeking an experienced Field Service Technician to support, maintain, and troubleshoot HVAC and building automation systems throughout New Hampshire. This role is ideal for a technician who enjoys hands-on work, problem-solving, and customer interaction, with an interest in growing into more advanced commercial and controls-based work. CTI offers training to expand skillsets, regardless of whether the candidate's background is residential or commercial, mechanical or controls. The ideal candidate will live in or near Concord, NH, Manchester, NH, or Nashua, NH, to ensure efficient response times and reasonable travel. A major perk is the on-call rotation, which is only 3-4 times a year, significantly lighter than industry norms.

Requirements

  • 3–5+ years of experience in HVAC, mechanical, or related field
  • Ability to interpret mechanical, electrical, and control schematics
  • Comfortable using diagnostic tools, software, and field instrumentation
  • Strong communication skills and a professional, customer-focused approach
  • Valid driver’s license and ability to travel to various job sites

Nice To Haves

  • Residential technicians encouraged to apply — commercial transition supported
  • Experience with oil, gas, or AC systems (training available in these areas)

Responsibilities

  • Perform service, troubleshooting, and preventive maintenance on all types of Boilers, RTU’s, MAU’s, Water Heaters, Air Handlers, and HVAC systems.
  • Diagnose mechanical and electrical issues and make reliable repairs.
  • Complete clear service documentation and reports.
  • Commission and support HVAC control systems and related software.
  • Review alarms, trends, and system data to optimize performance.
  • Assist with system configuration, updates, and troubleshooting.
  • Provide professional on-site and remote customer service.
  • Communicate findings, recommendations, and next steps clearly.
  • Build strong, long-term customer relationships.

Benefits

  • Over 70% company-paid health insurance
  • 401(k) with company contribution after 6 months
  • Company-paid $50,000 life insurance
  • Annual uniform allowance for service and construction employees
  • Full safety gear provided
  • Training and development across controls, oil, gas, and AC systems
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