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Together We Build - Partnership, Innovation, Excellence, and Safety
At Kelso Industries, 3,500+ employees across 30 companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first.
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Senior BAS Technician
Kelso Building Services (KBS) - Phoenix, Arizona
Join One of the Fastest Growing Smart Building Teams in the Southwest
Kelso Building Services (KBS) is seeking an experienced Senior Building Automation Systems (BAS) Service Technician to support and grow our Building Automation Systems (BAS) service business throughout the Phoenix metropolitan area. 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
Building Automation Service & Support

• 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

Smart Building Technologies

• 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.

Customer Support

• 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.

Leadership & Mentoring

• 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

• 5+ 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

• $40.00 - $60.00+ 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.
Why Join Kelso Industries?
Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.
Here you will experience:
Growth Opportunities: Develop new skills, take on exciting challenges, and advance your career in meaningful ways.
Company Culture: You'll thrive in an environment that supports your growth, values your contributions, and makes work fulfilling and enjoyable.
Impact: Your work directly contributes to meaningful outcomes, allowing you to see the difference you make and feel a sense of purpose every day.
Competitive Compensation & Benefits: You'll be rewarded fairly for your contributions while enjoying perks that enhance your financial security, health, and overall well-being.
Kelso Industries celebrates diversity and is committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment based on race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business