It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Job Description: Be responsible for HVAC system operation and maintenance, including chiller, pump, cooling tower, individual air-conditioner, MAU, AHU, FCU, exhaust fan and waste gas treatment system Be responsible for clean room environment condition sustaining, including particle control, temperature and humidity control Be responsible for electric power supply system operation and maintenance, including high-voltage station, transformer, distribution cabinet & switch, lighting Be responsible for building management system maintenance and improvement Be responsible for energy management, including data collection and analysis, as well as energy cost reduction project & renewal energy replacement Be responsible for new added and improvement project in above systems Be responsible for the related operation & maintenance procedure preparation or update for above systems Requirements: Bachelor's degreedegree or above in engineering, prefer in HVAC (Heating, Ventilation, Air-Conditioning), at least 5 years experiences in facility operation or project management Familiar with HVAC, electric power system, air-compressor, process cooling water, building management system, as well as clean room management Good at team working, passion, cooperation & patience Good at reading & writing English skill, including English document preparation Prefer to have work experiences in joint-venture or foreign manufacturing companies, especially in Photo-electronics product manufacturing industry We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations.