Facilities Technician– Plant Operations

Join our organization and support our vision to inspire future technology through leading semiconductor solutions.

Diodes deliver advanced analog and power semiconductor solutions to the world’s leading technology companies, driving innovation, efficiency, and performance across high‑growth markets. Our teams collaborate across engineering, manufacturing, support and corporate functions in a fast‑paced, transparent culture guided by our core values:

Integrity

Commitment

We design reliable technology that improves the world—while prioritizing sustainability, safety, and employee well‑being.

We have an exciting opportunity within Diodes for a Facilities Technician/Plant Engineer
at our South Portland, Maine wafer fabrication facility. This role is responsible for the uninterruptible operations of all mechanical and electrical systems associated with supporting a semiconductor manufacturing facility. This position will be the primary resource for covering scheduled time off requests for the 12-hour shift Plant Engineers, 7 AM
-7 PM or 7 PM – 7 AM, which may include weekends and holidays. When not performing shift coverage, there is some flexibility with this position’s schedule, and the job activities would include maintenance activities related to the Facilities equipment operations and continuous commissioning to optimize facility systems. Candidates must be flexible when requested to work outside of normal schedule to cover vacations and call outs.

South Portland

Pay range $24 to $39/hr actual compensation may vary based on experience, qualifications, skills, and geographic considerations. Incentive compensation and benefits may also be available. Night shift provides a 15% shift differential on top of the base pay.

We offer a competitive benefits package to include medical, dental, vision, FSA, 401k with company match, company paid Short-Term and Long-Term disability and standard life insurance policy. We also provide paid time off and have an employee wellness program.

This position offers an excellent opportunity for applicants who possess systemic knowledge of the following systems: low-pressure steam boilers, air compressors, low vacuum, chilled water plant, process and tempered cooling water packages, make-up and recirculation air handlers, wastewater neutralization system, acid / caustic wet fume scrubbers, volatile organic compound incinerator, emergency generators, fire alarm, and solvent and acid waste collection systems.

Responsibilities will include monitoring, inspecting, starting/stopping equipment, and adjusting operations of the site’s Facilities systems.

Within 30 days a successful candidate will be introduced to:

• Clean-room classifications and environmental control requirements.
• Building Management System.
• Preventative maintenance and work request systems.
• Environmental abatement systems operations: volatile organic compound incinerator, wet fume scrubbers, wastewater neutralization system.
• Key facility systems operations: centrifugal chillers, fire-tube boilers, cooling water, supply & exhaust fans.

At the end of 90 days the candidate will:

• Be able to perform all testing of manufacturing environmental controls: particles, air velocity, temperature, and humidity.
• Understand our Building Management System with ability to make adjustments as required and access historical operational data.
• Begin performing operational inspection rounds under the guidance of an experienced peer.

In the first 6 months the candidate will:

• Be cross trained in ultra-pure de-ionized water plant operations.
• Be proficient in all Facilities department preventive maintenance activities.
• Troubleshoot technical issues and identify system modifications as needed.
• Participate and support continuous commissioning/improvement projects.
• Have completed all certifications within assigned job training plan.
• Prepare technical reports and present engineering findings and recommendations to stakeholders and management.

• Building Management Systems (BMS) and maintenance management software
• Microsoft Office Suite (Word, Excel)
• Centrifugal chillers, boilers, and…