Senior Field Service Technician- Chillers

MEPPI is seeking an experienced Senior Field Service Technician – HVAC to perform advanced project site coordination, troubleshooting, commissioning, and repair of commercial and industrial chiller systems for internal and external customers. In this role, you'll utilize expert-level mechanical, electrical, and controls knowledge to diagnose complex system issues, lead field execution, and direct other technicians. You'll serve as a technical leader in the field to ensure reliable system performance, customer satisfaction, and safe work practices.

• Prepare and execute chiller service projects, including startups, commissioning, preventive maintenance, repairs, and contractor coordination, while ensuring safe and efficient project delivery.

• Diagnose and resolve complex refrigeration, electrical, controls, and hydronic system issues using advanced troubleshooting and root cause analysis techniques.

• Perform system startups, commissioning, functional performance testing, and validation to ensure operation meets design and customer requirements.

• Optimize chiller system performance, reliability, and energy efficiency through system analysis, tuning, performance monitoring, and corrective recommendations.

• Troubleshoot advanced chiller components and system-level interactions, including compressors, magnetic bearing systems, expansion devices, VFDs, fan systems, controls, airflow, and water flow dynamics.

• Mentor, train, and develop technicians through hands-on field support, technical coaching, certification programs, and advanced diagnostic instruction.

• Serve as the primary technical resource for customers, contractors, commissioning teams, and internal stakeholders, providing expert support and coordinating service activities across projects.

• Prepare and maintain technical documentation, including service reports, root cause analyses, incident reports, methods of procedure (MOPs), and regulatory compliance records.

• Support continuous improvement efforts by evaluating system performance, identifying product and service enhancements, recommending upgrades, and providing emergency/on-call technical support as needed.

• Further the goals and positive, professional image of the Division through effective dealings with customers, vendors, and internal departments.

• Associate's degree in HVAC, electrical, or related field and a minimum of 5 years of experience servicing and troubleshooting commercial and industrial chiller systems, or equivalent education and experience.
• Previous experience with air-cooled and/or water-cooled chillers, including large tonnage systems (350–500+ tons), low-lift and high-efficiency cooling applications, advanced system components including magnetic bearing compressors (e.g., Danfoss Turbocor), expansion devices, VFDs, and control systems.

• EPA 608 Universal Certification.

• Strong electrical and mechanical troubleshooting skills across complex HVAC systems.
• Ability to read and interpret wiring diagrams, schematics, and sequence of operations.

• Demonstrated leadership ability to direct work of others and lead field activities.
• Advanced verbal and interpersonal communication skills with the ability to work effectively with customers and internal teams.

• Proficiency in Microsoft Office and field service software platforms.

• Competitive Compensation: $50+/hour based on experience.
• Health Benefits: MEPPI pays 90% of medical, dental, and vision insurance.
• Retirement Benefits: 401(k) match to help you plan for the future.
• Paid Time Off: Vacation and 12 paid holidays.
• Career Growth: Training, certifications, tuition assistance, and opportunities for professional development.
• Additional Benefits: Profit sharing, employee discounts, and assistance programs.
• Meaningful Work: Support critical commercial and industrial infrastructure through advanced chiller technology and field service.

At MEPPI, you’re not just another team member—you’re part of a mission to innovate and make an impact. As a U.S. affiliate of Mitsubishi Electric, we’re a leader in providing cutting-edge solutions for power systems and rail transportation. Join our collaborative environment where your ideas matter, and your skills help shape the future.

About Us: Mitsubishi Electric Power Products, Inc. is a leader in the North American power systems, rail transportation, and large visual display markets. Join us, and be part of a global team that’s driving the future of transportation and energy solutions.

Equal Opportunity Employer: MEPPI is committed to creating an inclusive workplace. We welcome applications from all backgrounds and ensure that every candidate is considered fairly.

Notice to Agencies and Search Firms: MEPPI is not accepting unsolicited resumes from agencies or search firms for this job posting. Resumes submitted without a signed search agreement will become the property of MEPPI, and no fee will be paid if a candidate is hired as a result of an unsolicited referral.