Sr. HVAC Controls/BAS Service Technician

Join Kelso Building Services (KBS), one of the fastest-growing smart building teams in the country, as we deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. With over 4,000 employees across 40+ companies, Kelso Industries fosters a culture of partnership, innovation, excellence, and safety.

About the role

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. This role combines field service expertise with remote diagnostics, analytics, cybersecurity awareness, and customer relationship management. 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).

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 and 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.

Requirements

• 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 Qualifications

• Niagara N4 Certification.
• Manufacturer certifications (e.g., Johnson Controls, Siemens, Honeywell).
• HVAC Technician certification.
• Electrical troubleshooting experience.
• Associate degree or technical training in HVAC, Controls, Electronics, or related field.
• Experience with platforms such as Tridium Niagara, Johnson Controls Metasys, Distech Controls, Delta Controls, Siemens Desigo, Honeywell WEBs, Alerton, Reliable Controls, KMC Controls, Carrier i-Vu, or ABB.
• Experience with BACnet/IP, BACnet MS/TP, Modbus RTU/TCP, LonWorks, MQTT, or API Integrations.
• Networking fundamentals, VPN technologies, remote access solutions, or OT cybersecurity best practices.

Pay

$30.00 – $45.00+ per hour based on experience and certifications. Overtime opportunities and performance incentives available.

Benefits

• Medical, Dental, and Vision Insurance.
• 401(k) with company match.
• Paid Time Off and Paid Holidays.
• Company-provided training and certifications.
• Career advancement opportunities.
• Access to industry-leading smart building technologies.
• Company vehicle.

Why Join Us

At Kelso Building Services, you’ll be part of a team building the future of intelligent facilities through 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. You’ll experience growth opportunities, a supportive company culture, meaningful impact, and competitive compensation while working on some of the most advanced facilities in the industry.