BAS Controls Service Technician - L2

CMS Controls Ohio; Dayton (OH); On-site; USD 55,000 - 83,000; Full time

Job summary

CMS Controls Ohio is seeking a Level 2 Controls Service Technician to deliver advanced service, diagnostics, and optimization of BAS and HVAC control systems.

You will mentor Level 1 technicians, serve as primary technical contact for clients, and support commissioning and system upgrades. The role requires strong control logic knowledge, electrical skills, and excellent communication.

Qualifications

• 3-5 years with Controls or HVAC service experience.
• Strong DDC control logic knowledge and programming fundamentals.
• Experience with 24VAC/120V/277V/480V electrical systems and motor controls.
• Familiarity with BAS platforms and industry protocols such as BACnet/Modbus/LON.

Responsibilities

• Diagnose and resolve complex BAS issues and network faults.
• Perform advanced system tuning, calibrations, and sequence verifications.
• Assist with commissioning and startup of BAS installations or upgrades.
• Mentor Level 1 Technicians and document service activities.

Skills

Controls knowledge

HVAC

Diagnostics

Networking

Electrical

Programming

Communication

Leadership

Tools

BACnet

Modbus

LON

Job description

CMS Controls - Ohio

Level 2 Controls Service Technician

The Level 2 Controls Service Technician is a seasoned professional responsible for providing advanced service, complex troubleshooting, maintenance, and optimization of Building Automation Systems (BAS) and associated HVAC control systems. This role requires a comprehensive understanding of control logic, network protocols, electrical systems, and complex HVAC operations. The Level 2 technician works with increased autonomy, mentors Level 1 technicians, and serves as a primary technical point of contact for clients, ensuring peak system performance and client satisfaction.

Key Responsibilities

• Advanced System Diagnostics and Troubleshooting:
  • Independently diagnose and resolve complex issues within integrated building automation systems, including intermittent faults, network communication problems, and intricate control sequence errors.
  • Thoroughly analyze and interpret control logic, programming, and graphics within various BAS platforms to pinpoint root causes of system malfunctions.
  • Utilize advanced diagnostic tools and software to troubleshoot communication protocols (e.g., BACnet IP/MSTP, Modbus, LON, proprietary protocols) and network infrastructure.
  • Perform comprehensive troubleshooting of mechanical HVAC systems, including central plant equipment (e.g., chillers, boilers, cooling towers), VFDs, and complex air/water distribution systems, leveraging in-depth knowledge of mechanical and electrical wire schematics.
• System Optimization and Commissioning Support:
  • Implement strategies to optimize BAS performance for energy efficiency, indoor air quality, and occupant comfort.
  • Perform and verify system calibrations, functional tests, and sequence of operation validations.
  • Assist with commissioning new BAS installations or system upgrades, ensuring all components operate as designed and specified.
  • Identify opportunities for system enhancements or upgrades and communicate findings to project management or sales.
• Programming and Configuration:
  • Modify and create basic to intermediate control programs and sequences of operation within various DDC (Direct Digital Control) platforms.
  • Configure and troubleshoot network settings for controllers and field devices.
  • Make minor graphic modifications or additions to BAS user interfaces.
• Electrical Work:
  • Demonstrate strong proficiency in working with low, medium, and line voltage electrical circuits in a commercial environment.
  • Safely perform advanced electrical troubleshooting, including motor controls, variable frequency drives (VFDs), and complex power distribution for control panels.
  • Ensure all electrical work complies with NEC and local codes.
• Customer Interaction and Relationship Management:
  • Serve as a primary technical contact for clients, providing clear, concise, and professional explanations of complex technical issues and solutions.
  • Build and maintain strong customer relationships through exceptional service and proactive communication.
  • Train clients on basic system operation and functionality as needed.
• Mentorship and Documentation:
  • Provide technical guidance and on-the-job training to Level 1 Controls Service Technicians.
  • Maintain meticulous and comprehensive documentation of all service activities, including detailed troubleshooting steps, resolutions, configuration changes, and system performance data.
  • Contribute to the development of best practices and standard operating procedures for service operations.

Basic Requirements

• Experience: Minimum of 3-5 years of direct experience as a Controls Service Technician, HVAC Service Technician with strong controls exposure, or a similar field role.
• In-depth Controls Knowledge: Strong understanding of DDC control logic, programming fundamentals (function blocks, scripts), and various control signal types (analog, digital, serial). Ability to interpret and modify complex sequences of operation.
• Advanced Mechanical HVAC Knowledge: Comprehensive understanding of commercial HVAC systems, including central plant operations, air handlers, terminal units, and refrigeration cycles. Proficient in reading and applying complex mechanical and electrical wire schematics.
• Proficient Electrical Experience: Strong experience and proficiency working safely with low (24VAC/DC), medium (120V/277V), and line voltage (up to 480V) electrical systems in commercial settings, including troubleshooting motor controls and VFDs.
• Networking Fundamentals: Solid understanding of IP networking principles, including subnetting, routing, and troubleshooting common network issues within a BAS environment.
• Software Proficiency: Demonstrated ability to navigate, configure, and troubleshoot within at least one major BAS platform (e.g., Tridium Niagara Framework, Distech, Honeywell, Johnson Controls, Siemens, Schneider Electric).
• Excellent verbal and written communication skills, with the ability to convey complex technical information clearly to non-technical audiences.
• Exceptional problem-solving, analytical, and critical thinking skills.
• Valid driver's license.
• Ability to perform physical duties such as lifting up to 50 lbs., climbing ladders, working in confined spaces, and varied environmental conditions.

Preferred Qualifications

• Associate's or Bachelor's degree in HVAC, Controls, Electrical Engineering, or a related technical field.
• Specific BAS platform certifications (e.g., Niagara N4 Certified Professional).
• Relevant industry certifications (e.g., EPA Universal Refrigerant, Master Electrician License, ASHRAE, CEM).
• Experience with system integration protocols (e.g., BACnet, Modbus, LON).
• Proven experience in energy management or building optimization.
• Experience with project commissioning and startup procedures.
• OSHA 30-hour construction safety certification.

Skills and Abilities

• Independent Problem Solver: Ability to work autonomously on complex issues with minimal supervision.
• Leadership and Mentorship: Capable of guiding and training junior technicians.
• Customer Focus: Dedicated to achieving high levels of customer satisfaction and building lasting relationships.
• Adaptability: Thrives in a dynamic environment, adapting to new technologies and challenging situations.
• Attention to Detail: Meticulous in diagnosing, repairing, and documenting system performance.
• Strategic Thinking: Able to consider the long-term implications of service actions on overall system health and client objectives.

Compensation

Compensation: $40.00-60.00 / hourly

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