HVAC Controls Service Technician III

Position Purpose

As a Controls Service Technician III, you will work as a part of the LONG Service Team to support our Customer Base and Impact-Driven Service (Commercial HVAC Controls Service) offering that includes Fault Detection & Diagnostics (FDD) software and task management. You will collaborate with Service Supervisors, HVAC Systems & Energy Analysts, salespeople, other Controls Service Technicians, dispatchers, and contract administrators to deliver service offerings for our clients.

Your role will involve leveraging your experience to understand diagnostics and tasking from the FDD platform, prioritizing system outputs, and resolving root causes. Tasks include existing programming investigation, setpoint adjustments, loop tuning, simple programming fixes, complex HVAC controls programming, system-wide analysis, troubleshooting, break/fix issues, mechanical system support, and urgent responses for client service calls. You will also mentor junior service technicians in a team environment.

$35.54 - $42.50 per hr. plus potential profit share.

• Medical, Dental and Vision Insurance
• Voluntary Life Insurance
• Voluntary Accident and Critical Care Insurance
• Basic Life, Short‑Term and Long‑Term Disability
• Employee Assistance Program (EAP)
• 401(k) with Employer Matching contributions
• Profit Sharing/Bonus/Commission Program as applicable
• Paid Time Off, Community Service Day, 8 Paid holidays
• Tuition Reimbursement, Pet Insurance, Legal and IDShield offered to eligible employees

• Utilize the FDD platform to evaluate faults, diagnostics, equipment and building performance, and provide recommendations to improve system performance and energy efficiency.
• Analyze existing programming logic, compare intended/designed Sequence of Operations (SoO) with building nuances, and optimize programming to address FDD faults.
• Determine the most effective action based on FDD findings, controls plans, mechanical operation and BAS data, considering overall system dynamics.
• Program, tune, and adjust setpoints in accordance with manufacturer and engineering design recommendations and LONG standards.
• Calibrate and troubleshoot control systems and equipment to verify or improve operation.
• Update drawings, maintain as‑built documentation, and submit drafting to application engineers.
• Instruct client personnel on HVAC control systems, sequences, and energy optimization.
• Assist with client needs beyond FDD: graphics, user setup, alarming, system communication, hardware/software updates, wiring, etc.
• Become proficient in the Clockworks Platforms and use them for fault detection and diagnostics.
• Optimize widgets, filters and visualizations to analyze data and generate insights.
• Create, modify and manage dashboards for clients, the Analytics Team, and technical users.
• Review diagnostics, communicate solutions, and create, assign, and track tasks for resolving issues.
• Pursue in‑depth product and service knowledge and acquire advanced technical skills.
• Alert service and sales managers to additional business opportunities aligned with LONG’s strategy and goals.
• Independently create pricing and quotes, including time and materials estimates for small projects or upgrades.
• Perform preventative maintenance such as cleaning, part replacements, software updates, and system optimizations.
• Diagnose and rectify a broad range of complex system issues independently, ensuring client satisfaction and compliance with LONG standards.
• Program databases for supported systems to meet specified sequences and manufacturer recommendations, in accordance with LONG standards.
• Perform on‑call work as required on a periodic basis.

• Associate degree from a tech school (or service experience equivalent)
• 5+ years of DDC/BAS control system construction or service experience
• 4 years of customer‑facing/customer support experience
• 2+ years of DDC/BAS control system programming and integration experience
• Legal ability to operate a company vehicle
• Experience with commercial HVAC control systems, installation and construction procedures
• Extensive knowledge of building automation systems and communication protocols including BACnet,…