Lead Building Automation Field Technician

divcon; Chicago (IL); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Insurance

401K with Employer Match

Disability Coverage

Flexible PTO

Field-Based Employee Benefits

Job summary

Divcon is seeking a Lead Service Technician to provide on-site service, troubleshooting, maintenance, and support for Delta Controls BAS. This hands-on role requires strong technical aptitude and a customer-focused approach.

You will lead technicians on the team, coordinate with customers and engineering, and help ensure reliable operation, energy efficiency, and service excellence across commercial and data center environments.

Qualifications

• 6+ years experience with Delta Controls (preferred) or similar BAS platforms.
• Advanced understanding of HVAC equipment, BAS field wiring.
• Advanced networking knowledge (IP addressing, BACnet, MSTP).
• Strong troubleshooting skills and mechanical/electrical aptitude.
• Excellent communication skills and ability to interact professionally with customers.
• Valid driver’s license and ability to travel locally.

Responsibilities

• Perform on-site troubleshooting, diagnostics, and repair of Delta Controls BAS, including controllers, sensors, actuators, and networked devices.
• Support commissioning, system startups, point-to-point verification, and functional testing under guidance of engineering or senior technicians.
• Respond to service calls, alarms, and customer-reported issues in a timely and professional manner.
• Perform firmware updates, configuration changes, and minor programming adjustments as directed.
• Conduct scheduled preventative maintenance, system inspections, and health checks.
• Identify failing or at-risk components and recommend corrective actions.
• Assist with system optimization to improve performance, reliability, and energy efficiency.
• Serve as Divcon’s on-site representative, maintaining a professional and customer-focused approach at all times.
• Clearly explain system issues, findings, and corrective actions to customers in non-technical terms.
• Coordinate with customers regarding access, scheduling, and service completion.
• Accurately document service activities, findings, and resolutions in Divcon’s service management system.
• Record parts usage, system changes, and follow-up recommendations.
• Communicate recurring issues or improvement opportunities to service leadership and engineering teams.
• Work closely with Service Engineers, Project Teams, and Controls Engineers for advanced troubleshooting or escalations.
• Support handoff between project completion and ongoing service contracts.
• Participate in knowledge sharing and continuous improvement initiatives.
• Coordinate best practices, training and support for all technicians assigned to the Lead Service Technician team.
• Suggest training courses (both external and internal) to leadership team for technicians.
• Assist office team in quoting new service work opportunities

Skills

Delta Controls experience

HVAC BAS field wiring

Networking knowledge

Wiring diagrams reading

Troubleshooting skills

Communication skills

Attention to detail

Valid driver’s license

Travel readiness

Leadership skills

Coaching/training ability

Tools

Delta Controls BAS

Tridium Niagara

Schneider

Siemens

Johnson Controls

Job description

Divcon is seeking a Lead Service Technician to provide on-site service, troubleshooting, maintenance, and support for Delta Controls BAS. This hands-on role requires strong technical aptitude and a customer-focused approach.

You will lead technicians on the team, coordinate with customers and engineering, and help ensure reliable operation, energy efficiency, and service excellence across commercial and data center environments.