BMS/Controls Technician
- Location
- Orange, CA
- Work mode
- On-site
- Employment type
- Full-time
About the job
About Us Zaretsky Engineering Solutions has built its reputation on over 40 years of experience providing engineering and technical field services for Smart Buildings. We are a one-stop solutions provider for design professionals, mechanical contractors, building owners and end users. Zaretsky Engineering Solutions focuses on Building Management Systems, Building Systems Commissioning, Critical Air Flow Control, Indoor Air Quality Control, and HVAC Testing Adjusting and Balancing. ZES services a cross-section of industries that include: Hospitals, Laboratories, Commercial Spaces, Vivariums, Schools, Pharmaceuticals, and Petrol-chemical facilities. With extensive knowledge of the Smart Buildings space, we can effectively eliminate potential costly issues that may arise while providing safety and comfort to each user. Our niche area of expertise and unique approach to providing solutions, unparalleled support and customer service has secured our position in the marketplace.
Job Description Controls Technician – Building Automation
Overview
We are seeking an experienced Controls Technician to join our BAS team. In this role, you will program, integrate, commission, and troubleshoot Building Automation Systems (BAS) for commercial HVAC applications. The ideal candidate has strong hands-on experience with Niagara 4 (N4) and Niagara Workbench, and holds a current Niagara 4 certification. You will work closely with project managers, engineers, controls technicians, and customers to develop and implement control strategies that maximize system performance, energy efficiency, and occupant comfort.
Duties
- Program, configure, commission, and troubleshoot BAS for commercial HVAC applications, including AHUs, RTUs, VAVs, central plants, and other HVAC equipment.
- Develop and support Niagara 4 applications, including JACE and Supervisor stations, graphics, histories/trends, alarms, schedules, point databases, and operator interfaces.
- Configure and troubleshoot BACnet/IP, BACnet MS/TP, and third-party integrations.
- Review project drawings, specifications, and sequences of operation to develop and modify control logic.
- Perform system startup, point-to-point verification, functional testing, and commissioning.
- Troubleshoot programming, controller, communication, and system integration issues.
- Collaborate with project managers, engineers, controls technicians, customers, and contractors throughout all phases of a project.
- Maintain accurate programming documentation, controller and station backups, database records, and project files.
Requirements
- 2–5 years of experience programming Building Automation Systems.
- Current Niagara 4 (N4) certification strongly preferred; demonstrated hands-on Niagara 4 programming experience may be considered in lieu of certification.
- Proficiency with Niagara Workbench, including station setup, drivers, point discovery, histories, alarms, schedules, graphics, and backups.
- Strong knowledge of commercial HVAC systems, including AHUs, RTUs, VAV systems, chillers, boilers, and related equipment.
- Experience developing and modifying control sequences from written sequences of operation.
- Working knowledge of BACnet/IP, BACnet MS/TP, and IP networking.
- Ability to read and interpret mechanical plans, electrical schematics, wiring diagrams, and control drawings.
- Strong troubleshooting, analytical, and problem-solving skills, with the ability to work independently through startup and commissioning.
- Excellent written and verbal communication skills.
- Ability to manage multiple projects while meeting deadlines.
Preferred Experience & Certifications
• Current Niagara 4 (N4) certification.
- Current Niagara 4 (N4) certification.
- Experience engineering, programming, and commissioning Niagara JACE and Supervisor applications.
- Experience integrating third-party systems and devices into BAS platforms using BACnet.
- Experience commissioning and optimizing BAS from startup through project completion.
Ambient Enterprises provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
From Johnson Barrow INC's careers page (Workday), checked 29 Oct 2026.
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Posted 27 Oct 2026 · checked 29 Oct 2026 · Report this job