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EMS Senior Service Technician

Koro BAS Inc.
Phoenix, AZ Full Time
POSTED ON 10/8/2026
AVAILABLE BEFORE 2/1/2027

Job Summary

Sr. Service Technician will be responsible for responding to service calls, technical service and support, after-hours on call and conducting service care agreements to assure the utmost in customer and client satisfaction. Troubleshoots, maintains, and repairs building control systems, primarily for HVAC and refrigeration, including programming and calibrating components. This role involves diagnosing electrical and mechanical faults, performing preventive maintenance, and ensuring systems operate efficiently and comply with safety standards. In addition to working in a service capacity you will also be in a backup capacity for BAS projects to perform startup support and warranty services.

Responsibilities

Troubleshooting and Repair:

- Diagnose and repair hardware and software issues within the EMS, as well as associated HVAC, refrigeration, and mechanical systems

Installation and Commissioning:

- Install, configure, and commission EMS hardware, such as sensors, actuators, and controllers for HVAC, refrigeration, and lighting systems

Maintenance and Calibration:

- Perform routine preventive maintenance, calibrate sensors and control devices, and keep systems operating at peak performance.

Programming and Optimization:

- Program and adjust EMS to meet specific operational needs and energy-saving goals, which can include tuning parameters for optimal performance

System Monitoring & Reporting:

- Monitor system performance and energy usage, analyze data, and generate reports for clients or management.

Technical Support:

- Provide technical direction, on-the-job training to installation technicians, and support for customer inquiries.

Documentation:

- Maintain detailed logs of all maintenance, calibration, and repair activities. (service reports, daily reports, notes & work orders)

Compliance and Safety:

- Ensure all work complies with company policies, industry standards, and safety regulations, and use appropriate personal protective equipment (PPE)

Qualifications

  • 5-8 years controls/HVAC industry experience
  • Must have excellent communication, documentation, reporting, note keeping, time keeping skills, along with service/company system processing tool use
  • Service Technician role coverage experience
  • Has completed Certification training for Niagara, Johnson, KMC, control troubleshooting. Continues to show progress with training and connecting with resources for technical support (Manufacturers, Distributors, Team Leads & Consulting Partners)
  • Can connect, navigate and perform programming/configuration in Niagara, Johnson, KMC
  • Advanced understanding of BACnet MS/TP, BACnet IP, LON & MODbus communication protocols
  • Understands what all standard controls parts, devices and sensors are
  • Can provide accurate parts and wire ordering lists
  • Knows how to use a meter, manometer and communication network tester
  • Can test and troubleshoot all communication protocol trunks
  • Can respond to all service calls on their own, without technical support, requires support for only advanced programming, and/or product specific technical concerns.
  • Can perform Service Care Agreements for all clients
  • Capable of setting up and programming and creating graphics with Niagara Supervisors/Stations/Platforms
  • Advanced understanding of HVAC systems
  • Can perform basic Niagara integrations
  • Can perform basic Niagara migrations
  • Can configure and set up Cradlepoint cellular connections
  • Can configure and set up BACnet routers
  • Can set up Neeve Niagara Cloud solutions
  • Can perform advanced complex controls troubleshooting on all HVAC systems, along with IT level Niagara/network connection testing (setting up and configuring IP’s, subnets, ports, etc.)
  • Supports “BAS” team project startups
  • Can lead and mentor other technicians and manage for small service projects and technical service needs
  • Must be able to interact and coordinate with other contractors and manufacturers
  • Can perform and manage turnkey small complex (AHU’s & CP’s) service projects with only the scope and drawings on their own without any supervision. Must have a positive communication attitude and be able to clearly communicate directly with all clients internally and externally (Koro team, GC, MC, Owner, Facility Engineers, etc)
  • Provides and recommends client/owner direct controls repairs, upgrades, integration and migration solutions
  • Must be available for OT, should a service call require staying until an urgent issue is corrected
  • Must be available for “After Hour On-Call” rotation

Pay: $30.00 - $45.00 per hour

Expected hours: No less than 40.0 per week

Benefits:

  • 401(k)
  • Dental insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Vision insurance

Work Location: In person

Salary : $30 - $45

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