Industrial HVAC Technical Support Lead

We are seeking an experienced Industrial HVAC Technical Support Lead to provide expert-level technical support, troubleshooting, and leadership for commercial and industrial HVAC/R systems. This role serves as a key resource for field technicians, customers, and internal teams, ensuring world-class service, rapid cost-effective problem resolution, and continuous improvement across all operations.

The ideal candidate is a highly skilled HVAC professional with extensive experience in system diagnostics, controls, refrigeration, commissioning, and customer support. They thrive in a fast-paced environment and are passionate about equipment support and driving operational excellence., * Serve as the primary technical resource for complex HVAC/R troubleshooting and support.

• Provide real-time assistance to field technicians during installation, startup, commissioning, maintenance, and repair activities.
• Diagnose and resolve issues involving:
• Chillers
• Rooftop units (RTUs)
• Air Handlers (AHU's)
• Hydronic systems
• Commercial refrigeration equipment
• Building automation, controls systems, programming and high voltage.
• Collaborate with engineering, operations, and sales, teams to improve product reliability and customer satisfaction.
• Support major projects, equipment modifications, and system optimization efforts.
• Maintain a customer-first mindset while delivering exceptional technical solutions.
• Maintain outgoing equipment documentation, which involves I.O.M's and Custom unit labels.

• 5+ years of commercial or industrial HVAC/R experience.
• Advanced troubleshooting skills across mechanical, electrical, refrigeration, and controls systems.
• Strong understanding of refrigeration cycles, superheat, subcooling, airflow, and system performance analysis.
• Experience with BACnet, and other building automation protocols preferred.
• Ability to interpret electrical schematics, wiring diagrams, and mechanical drawings.
• Excellent communication skills.
• Ability to prioritize multiple technical issues while maintaining high service standards.
• Able to perform occasional repairs in the field.

What Defines Success

• Delivers expert technical solutions with urgency and accuracy.
• Builds confidence and capability within the technician workforce.
• Demonstrates ownership, accountability, and professionalism.
• Contributes to a culture of continuous improvement and operational excellence.

Here at Fisen we value our culture, which is centered on respect. We take pride in our ability to solve complex problems and welcome opportunities to help our employees grow. We manufacture custom modifications to commercial HVAC equipment right here in Grand Rapids, MI. If you have a good mechanical aptitude, love to learn, and are a problem solver, then you may be a good fit. We are committed to helping our employees and their families while providing our customers with high quality solutions which nobody else can.

Referral program, 401(k), Health insurance, Retirement plan, Tools provided, Paid time off, Vision insurance, Health savings account Full-time Comstock Park, MI 49321, * 401(k)

• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Referral program
• Retirement plan
• Tools provided
• Vision insurance