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HVAC Controls Service Technician

  • London, ON
  • On-site
  • Posted Oct 10, 2026
  • 1 position

$25–$31 / hour

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Employment type
Full-time
Experience level
Entry, Junior · 0+ years
Minimum education
Professional degree
Posting language
English
Working hours
40 hours per week

Job summary

The technician will perform system commissioning, diagnostics, and maintenance on HVAC mechanical and control systems at customer sites. They are also responsible for documenting job progress, managing administrative tasks, and ensuring compliance with safety standards.

Job details

Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward. Your next incredible opportunity is just a few clicks away! Here's what we have to offer Competitive pay. Paid vacation, holidays, and sick time. Comprehensive benefits package, including pension, medical, dental, and vision care - available from day one. Extensive product and on-the-job/cross-training opportunities, supported by our outstanding internal resources. Encouraging and collaborative team environment. Dedication to safety through our Zero Harm policy. JCI Employee discount programs (The Loop by Perk Spot). Company vehicle, tools, and equipment provided to complete all jobs. Scheduling and management support. What you will do Performs system commissioning using Johnson Controls configuration and commissioning tools. Solves problems and resolves basic HVAC mechanical, electrical, and control problems. Responds to basic warranty calls. How you will do it Loads system-level controller software. Performs basic commissioning and system diagnostics from system-level controllers to end devices (i.e., sensors, actuators, etc.) and completes all required commissioning documentation Keeps management and customers informed of job progress and issues Calibrates systems requiring basic electronic test equipment Completes administrative tasks including but not limited to time sheets, expense reports, and on-site documentation Documents changes and provides information for as-built documentation Communicate with the JCI contractor or customer upon arrival and before leaving the work site Follows all safety standards and attends required safety training. A high degree of regard for employee and subcontractor safety. What we look for Required Vocational School program graduate or an associate's degree in a technical field, or two years’ experience in servicing electronic and or mechanical systems. Demonstrated ability to install and/or service electronic control systems and HVAC equipment. Effective communication skills to represent Johnson Controls on customer sites. Possesses the ability to explain technical information to technical and non-technical people. Demonstrate effective writing skills as well as understanding of programs and software applications. Knowledge of control theory, automatic temperature controls, building automation systems and other building subsystems. HIRING HOURLY RANGE: $24.85 - $31.25 (Hourly rate to be determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data.) This position includes a competitive benefits package. The posted salary range reflects the target compensation for this role. However, we recognize that exceptional candidates may bring unique skills and experiences that exceed the typical profile. If you believe your background warrants consideration beyond the stated range, we encourage you to apply. To support an efficient and fair hiring process, we may use technology assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers. For details, please visit the About Us tab on the Johnson Controls Careers site at https://jobs.johnsoncontrols.com/about-us Johnson Controls’ Canadian subsidiaries are committed to providing reasonable accommodation to applicants, candidates and employees with disabilities, in accordance with applicable human rights legislation, and in Ontario, in accordance with the Accessibility for Ontarians with Disabilities Act (“AODA”). When requested, accommodation will be provided throughout all stages of the recruitment and selection process. To request accommodation, please contact us. Any information you provide related to accommodation measures will be treated as confidential. A copy of Johnson Controls’ applicable AODA policies are available on our website at www.johnsoncontrols.com for your reference, and can be made available in accessible formats upon request.

What you’ll do

The technician will perform system commissioning, diagnostics, and maintenance on HVAC mechanical and control systems at customer sites. They are also responsible for documenting job progress, managing administrative tasks, and ensuring compliance with safety standards.

Requirements

Candidates must have a vocational school diploma, an associate's degree in a technical field, or at least two years of relevant experience. Proficiency in control theory, HVAC equipment servicing, and effective communication skills are required.

Benefits

  • Pension
  • Medical insurance
  • Dental insurance
  • Vision care
  • Paid vacation
  • Paid holidays
  • Paid sick time
  • Employee discount programs
  • Company vehicle
  • Tools and equipment provided

Listed skills

  • Technical Documentation · Preferred
  • Safety Compliance · Preferred
  • Electrical troubleshooting · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • HVAC maintenance
  • System commissioning
  • Electronic control systems
  • Mechanical troubleshooting
  • Building automation systems
  • Control theory
  • Automatic temperature controls
  • Technical documentation
  • Diagnostic tools
  • Customer communication
  • Safety compliance
  • Electrical troubleshooting
  • Software configuration
  • Calibration
  • Effective Writing
  • Automatic Temperature Control Systems
  • Expense Reports
  • Actuators
  • Decarbonation
  • Effective Communication
  • Sensors
  • Resilience
  • Administrative Functions
  • Advanced Manufacturing
  • HVAC
  • Building Management System
  • Management
  • Control Theories
  • Data Centers
  • Electronic Control Unit
  • Electronic Test Equipment
  • Equities
  • Optometry
  • Higher Education
  • Market Data
  • Mechanical Systems
  • Pharmaceuticals
  • Safety Standards
  • Safety Training
  • Subcontracting
  • Technology Life Cycle
  • Thermal Management
  • Scheduling
  • Commissioning

Job areas

  • Trades
  • Engineering
  • Energy
  • Manufacturing
  • HVAC Controls Technician
  • HVAC Mechanic / Installer
  • Air Conditioning and Refrigeration Mechanics
  • Heating, Air Conditioning, and Refrigeration Mechanics and Installers

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