Sr. HVAC Controls/BAS Service Technician

Sr. BAS/HVAC Controls Technician Kelso Building Services (KBS) – Denver, CO Join One of the Fastest Growing Smart Building Teams in the Country Kelso Building Services (KBS) is seeking experienced Senior Building Automation Systems (BAS) Service Technicians to support and grow our Building Automation Systems (BAS) service business throughout the country. This position is ideal for a highly skilled BAS professional who enjoys troubleshooting complex building systems, working directly with customers, mentoring junior technicians, and helping facilities operate at peak performance. As a Senior BAS Technician, you will serve as a trusted technical resource for commercial, healthcare, education, industrial, retail, and mission-critical facility customers while leveraging KBS’s advanced remote monitoring and analytics capabilities through the Kelso Digital Operations Center (DOC). Position Summary The Senior BAS Technician is responsible for the service, maintenance, troubleshooting, repair, optimization, and customer support of Building Automation Systems and integrated smart building technologies. The role combines field service expertise with remote diagnostics, analytics, cybersecurity awareness, and customer relationship management. This position requires a self-motivated professional capable of independently resolving complex BAS and HVAC control issues while maintaining exceptional customer satisfaction. Primary Responsibilities Troubleshoot and repair BAS control systems and field devices. Diagnose HVAC, mechanical, electrical, and controls-related issues. Perform preventative maintenance and service agreement inspections. Support controller replacements, upgrades, migrations, and system expansions. Validate sequences of operation and optimize system performance. Assist with commissioning, retro-commissioning, and startup activities. Complete point-to-point verification and functional performance testing. Maintain accurate documentation and system backups Support enterprise and site-level building automation platforms. Assist customers with energy optimization initiatives. Configure alarming, trending, dashboards, and analytics. Support integration of HVAC, lighting, power monitoring, refrigeration, and specialty systems. Assist with Fault Detection & Diagnostics (FDD) initiatives. Utilize remote monitoring tools to identify and resolve issues proactively. Develop strong customer relationships. Serve as the primary technical contact for assigned accounts. Provide recommendations for system improvements and lifecycle planning. Identify and develop service agreement and project opportunities. Coordinate with project managers, service managers, and sales teams. Mentor junior technicians and apprentices. Assist with technical training and onboarding. Provide field leadership on complex service projects. Support technical standards and best practices. Preferred Technical Experience Experience with one or more of the following platforms: Tridium Niagara Johnson Controls Metasys Distech Controls Delta Controls Siemens Desigo Honeywell WEBs Alerton Reliable Controls KMC Controls Carrier i-Vu ABB Schneider Electric EcoStruxure Additional Experience Desired BACnet/IP BACnet MS/TP Modbus RTU/TCP LonWorks MQTT API Integrations Networking fundamentals VPN technologies Remote access solutions OT cybersecurity best practices Qualifications Required 3+ years of BAS service experience. Strong HVAC troubleshooting knowledge. Experience reading control drawings and sequences of operation. Experience commissioning and servicing DDC systems. Valid driver’s license with acceptable driving record. Ability to pass background screening and drug testing. Strong communication and customer service skills. Preferred Niagara N4 Certification. Manufacturer certifications. HVAC Technician certification. Electrical troubleshooting experience. Associate degree or technical training in HVAC, Controls, Electronics, or related field. Compensation & Benefits Compensation $35.00 – $45.00+ per hour based on experience and certifications. Overtime opportunities. Performance incentives. company vehicle Benefits Medical, Dental, and Vision Insurance. 401(k) with company match. Paid Time Off. Paid Holidays. Company-provided training and certifications. Career advancement opportunities. Access to industry-leading smart building technologies. Why Join KBS? At Kelso Building Services, we are building the future of intelligent facilities through our nationwide Smart Buildings and Digital Operations initiatives. Our technicians are supported by the KBS Digital Operations Center, advanced analytics tools, remote engineering resources, and a growing team of BAS experts across the country. If you are looking for a career where you can combine HVAC expertise, controls technology, data analytics, and customer engagement while working on some of the most advanced facilities in the Southwest, we want to hear from you.

The Senior BAS Technician is responsible for the service, maintenance, troubleshooting, and optimization of building automation systems and integrated smart building technologies. This role involves providing technical support to customers, mentoring junior staff, and utilizing remote monitoring tools to ensure peak facility performance.

Candidates must have at least 3 years of BAS service experience and strong HVAC troubleshooting knowledge. Proficiency in reading control drawings, servicing DDC systems, and holding relevant certifications is preferred.

• Medical insurance • Dental insurance • Vision insurance • 401(k) with company match • Paid time off • Paid holidays • Company-provided training • Certifications • Career advancement opportunities • Company vehicle

Identified from the job description. Confirm important requirements above.

• HVAC troubleshooting
• Building automation systems
• DDC systems
• Preventative maintenance
• System optimization
• Commissioning
• Electrical troubleshooting
• Customer relationship management
• Technical mentoring
• Control drawings
• Energy optimization
• Fault detection and diagnostics
• Networking fundamentals
• OT cybersecurity
• System integration
• Electrical/Electronic Troubleshooting
• Energy Efficiency Improvement
• Smart Buildings
• Alerton (Building Automation System)
• Tridium/Niagara Framework
• Distech (Building Automation System)
• Good Driving Record
• Metasys Building Automation System
• Time Off Management
• Delta Controls Systems
• Advanced Analytics
• Siemens Desigo
• LonWorks
• HVAC Controls
• Valid Driver's License
• Johnson Controls Systems
• Planning
• Self-Motivation
• Application Programming Interface (API)
• HVAC
• Data Analysis
• Customer Support
• Backup Devices
• Customer Relationship Management
• Building Management System
• Dashboard
• Customer Service
• Communication
• Customer Engagement
• Control Systems
• Cyber Security
• Direct Digital Controls (DDC)
• Electronics
• Sales
• Field Service Management

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

Minimum education

Professional degree

Minimum experience

2+ years

Posting language

English

Working hours

40 hours per week