Building Automation System (BAS) / HVAC Controls Programmer

Building Automation System (BAS) / HVAC Controls Programmer Durell Control Systems Inc. has an immediate opportunity for Building Automation System (BAS) / HVAC Controls Programmer. We are located in London, Ontario and are the Delta Controls Distributor for Southwestern Ontario. Durell Control Systems Inc. design, install and service Delta control systems. Provide system integration via Delta enteliWEB and Tridium N4 platform, as well as Energy Management services. Job Type: Full-time Wages: Negotiable as per experience and company benefits Essential Duties and Responsibilities Program Building Automation Systems. Create codes for Direct Digital Control (DDC) panels to meet specifications of control sequence; install and program building operator’s workstation front end dashboards per end user’s requirements. Design and program graphics user interface per project specifications. Work with project managers and supervisors to communicate with clients, implement any customized format, additions/revisions to satisfy clients’ needs. Communicate with site technicians, implement site changes /directives and incorporate changes in database and programs. Deliver the databases and necessary support to site technician in time. Carry out BAS Point-to-point and functional commissioning; report commissioning progress and outstanding issues to supervisors/project managers in time. Follow up on the outstanding items; provide commissioning reports and other finishing documents. Test DDC control components and verify control system design functions. Troubleshoot equipment and system problems through software programs. Process site documentations (as- built marks/notes, commissioning sheets, etc.). Conduct final review of system programming, revise databases per specifications and commissioning reports, and document all associated changes. Work closely with engineering designers, provide support and help with engineering as needed. Respond to service phone calls as required, provide timely response/support to diagnose source of problems and customer concerns, fix problems via program revisions and recommend corrective site actions. Exercise initiative or, as directed, perform additional duties to meet the needs of the organization. Requirements College diploma in HVAC, Electrical/Electronic Technologist program; or Automation and Instrumentation program. 2+ years’ experience in DDC / PLC programming or HVAC industry. Programming knowledge and experience in visual basics, C++, Python or other languages. Basic knowledge in computer software and network. Ability to interpret mechanical/electrical blueprints. Proficiency with Microsoft Office Suite. Attention to details. Motivated team player; effective communication skills. Positive and professional attitude. References will be required after an interview. Please email your application to johnx@durellcontrols.com

Program and commission Building Automation Systems, including creating DDC codes and designing GUI dashboards. Collaborate with project managers and technicians to implement system changes and provide technical support for customer concerns.

Requires a college diploma in HVAC, Electrical/Electronic Technology, or Automation and Instrumentation. Candidates need 2+ years of experience in DDC/PLC programming and proficiency in languages such as Visual Basic, C++, or Python.

• C++Preferred
• PythonPreferred

Identified from the job description. Confirm important requirements above.

• BAS Programming
• HVAC Controls
• DDC Programming
• PLC Programming
• Visual Basic
• C++
• Python
• System Integration
• Commissioning
• Blueprint Reading
• Troubleshooting
• Microsoft Office Suite
• Graphic User Interface Design
• Network Basics
• Delta Controls
• Tridium N4

• Engineering
• Trades
• Construction
• Technology
• Energy

Minimum education

College diploma

Minimum experience

2+ years

Apply by

Sep 5, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Mid-Senior level

Application method

Direct apply is available