Field Service Technician — Delta Controls BAS

Divcon Controls; San Antonio (TX); On-site; USD 55,000 - 85,000; Full time

Benefits offered by this job

Opportunities for Growth

Medical, Dental, and Vision Insurance

401K with Employer Match

Disability Coverage

Flexible PTO

Field-Based Employee Benefits

Job summary

Divcon delivers integrated automation solutions for HVAC, lighting, energy, and mission-critical systems and is seeking a Lead Service Technician for on-site support of Delta Controls BAS. You will troubleshoot, maintain, and optimize customer systems while guiding technicians and interfacing with sales and engineering teams.

Key duties include diagnostics, firmware updates, preventative maintenance, and documenting findings.

Qualifications

• 3+ years experience with Delta Controls (preferred) or similar BAS platforms.
• Advanced understanding of HVAC equipment, control devices, and BAS field wiring.
• Advanced networking knowledge (IP addressing, BACnet, MSTP).
• Ability to read wiring diagrams, control drawings, and point lists.
• Strong troubleshooting skills and mechanical/electrical aptitude.
• Excellent communication skills and ability to interact professionally with customers.
• Strong attention to detail, organization, and documentation accuracy.
• Valid driver’s license and ability to travel locally.
• Experience with remote monitoring platforms or service desk support environment
• Previous experience performing corrective service or field diagnostics for BAS/HVAC systems.
• Strong leadership skills with the ability to motivate, develop, and hold team members accountable.
• Strong training and coaching skills with the ability to effectively develop employees and support continuous learning

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

BAS platforms knowledge

HVAC equipment understanding

Networking (IP, BACnet, MSTP)

Wiring diagrams reading

Troubleshooting skills

Customer communication

Attention to detail

Valid driver’s license

Remote monitoring / service desk

Field diagnostics experience

Leadership abilities

Training & coaching

Job description

Divcon delivers integrated automation solutions for HVAC, lighting, energy, and mission-critical systems and is seeking a Lead Service Technician for on-site support of Delta Controls BAS. You will troubleshoot, maintain, and optimize customer systems while guiding technicians and interfacing with sales and engineering teams.

Key duties include diagnostics, firmware updates, preventative maintenance, and documenting findings.