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Zeiss

Corporate venture capital for deep-tech startups

Senior HVAC Technician

HVAC & Building SystemsConfirmed live in the last 24 hours
Full-timeOntario, CA, USA

About the Job

Requirements

  • A high school diploma or equivalent and completion of an HVAC trade school or equivalent technical training are required.
  • EPA Section 608 Universal Refrigerant Certification is required.
  • At least 5 years of HVAC maintenance experience in commercial, industrial, or manufacturing environments is required.
  • Hands-on experience troubleshooting HVAC mechanical systems, refrigeration systems, chilled water systems, air handling equipment, and HVAC controls and sensors is required.
  • Ability to read and interpret mechanical drawings, schematics, and equipment manuals is required.
  • Strong troubleshooting, analytical, and problem-solving skills are required.
  • Ability to prioritize multiple tasks and respond effectively to emergency equipment failures while maintaining customer service is required.
  • Organizational and documentation skills, including experience maintaining accurate records in a computerized maintenance management system, are required.
  • Ability to work independently with minimal supervision and provide technical guidance and mentoring to junior maintenance technicians is required.
  • Verbal and written communication skills and the ability to work with Production, Engineering, Quality, contractors, and leadership are required.
  • A valid California driver's license with an acceptable driving record is required.
  • Ability to lift and carry up to 50 pounds is required.
  • Ability to frequently climb and descend building and roof-access ladders is required.
  • Ability to work from ladders, lifts, and elevated platforms for extended periods is required.
  • Ability to work in mechanical rooms, manufacturing areas, and controlled environments, including cleanrooms, is required.
  • Ability to stand, walk, bend, kneel, and work in various positions for extended periods is required.
  • Ability to respond to emergency maintenance situations as needed is required.
  • Appropriate safety procedures and personal protective equipment must be used as required.

Responsibilities

  • Perform preventive maintenance, inspections, troubleshooting, and repairs on commercial and industrial HVAC systems.
  • Maintain and troubleshoot air handling units, rooftop units, variable frequency drives, chillers, chilled water and glycol cooling systems, boilers, heating systems, exhaust systems, pumps, valves, and related mechanical equipment.
  • Diagnose system failures, identify root causes, and implement corrective actions.
  • Monitor and maintain required temperature, humidity, airflow, and pressure conditions throughout the facility.
  • Maintain HVAC systems supporting ISO-classified manufacturing and laboratory environments.
  • Help ensure cleanroom environmental requirements are consistently maintained, including temperature, humidity, airflow, and pressure relationships.
  • Troubleshoot environmental excursions and support implementation of corrective actions.
  • Follow cleanroom gowning, contamination control, and other applicable procedures when entering controlled environments.
  • Perform scheduled preventive maintenance using the Facilities CMMS, MPulse.
  • Document maintenance activities, findings, repairs, and recommendations accurately in the CMMS.
  • Identify equipment deficiencies and recommend improvements to enhance system reliability and performance.
  • Support facility and equipment uptime goals by proactively identifying and addressing potential issues.
  • Monitor and troubleshoot HVAC controls through the Building Automation System.
  • Identify alarms, abnormal operating conditions, and equipment trends.
  • Work with controls contractors and other technical resources when advanced troubleshooting or repairs are required.
  • Perform work in accordance with applicable safety and quality requirements, including OSHA requirements, Lockout/Tagout procedures, electrical safety practices, company Environmental, Health and Safety policies, and quality system requirements.
  • Maintain accurate maintenance records and documentation.
  • Support internal and external audits by providing required documentation and technical information.
  • Follow applicable procedures and requirements associated with a medical device manufacturing environment.
  • Support HVAC installation projects, equipment upgrades, and facility improvement initiatives.
  • Assist with contractor coordination and verify that work is completed according to specifications and requirements.
  • Provide technical expertise and recommendations for HVAC-related projects and facility improvements.

Desired Qualifications

  • Experience in cleanrooms or other controlled environments is highly desirable.
  • Experience in medical device manufacturing is highly desirable.
  • Experience in pharmaceutical manufacturing is highly desirable.
  • Experience in semiconductor manufacturing is highly desirable.
  • Experience in other regulated manufacturing environments is highly desirable.
  • Experience with Building Automation Systems (BAS) is preferred.
  • Experience using Computerized Maintenance Management Systems (CMMS), such as MPulse or similar platforms, is preferred.
  • Knowledge of ISO cleanroom requirements and environmental monitoring is preferred.
  • Working knowledge of cGMP, FDA, ISO 13485, and other requirements associated with regulated manufacturing environments is highly desirable.

About the Company

Zeiss

Corporate venture capital for deep-tech startups

ZEISS Ventures is the corporate venture capital arm of the ZEISS Group, investing in deep-tech startups that align with its core business areas. It focuses on early-stage rounds (pre-Series A to Series A), typically $1–$5 million, across Information Technology, Industrial Tech, MedTech, and Life Sciences. It adds value by providing targeted funding and using ZEISS’s global network and expertise to support portfolio companies. The goal is to accelerate development of new technologies and business models that complement ZEISS’s portfolio, while actively engaging with external innovation.

Company size
5,001-10,000
Company stage
Growth Equity (Non-Venture Capital)
Total funding
$69.9M
Headquarters
Oberkochen, Germany
Founded
2001

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