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Senior Field Service Technician- Chillers

Location:
Job ID: 3987
Position type Regional (for Remote positions required to be located in specific geography)

POSITION SUMMARY

Perform advanced project site coordination, troubleshooting, commissioning, and repair of commercial and industrial chiller systems for internal and external customers. Utilize expert-level mechanical, electrical, and controls knowledge to diagnose complex system issues, lead field execution, and direct other technicians. Serve as a technical leader in the field to ensure reliable system performance, customer satisfaction, and safe work practices.

ESSENTIAL FUNCTIONS

  • 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 Division through effective dealings with customers, vendors, and internal departments.

QUALIFICATIONS

  • 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.
  • Demonstrated leadership ability to direct work of others and lead field activities.
  • 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.  
  • 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.

Applicants are considered for all positions without regard to race, color, religion, sex, gender, sexual orientation, gender identity, gender expression, pregnancy, marital status, national origin, ancestry, age, physical or mental disability or (as defined by applicable law) medical condition or genetic information, military or veteran status or any other legally protected status. 

 

Notice to Agency and Search Firm Representatives: Mitsubishi Electric Power Products, Inc. is not accepting unsolicited resumes from agencies and/or search firms for this job posting. Resumes submitted to any Mitsubishi Electric Power Products, Inc. employee by a third party agency and/or search firm without a valid written and signed search agreement, will become the sole property of Mitsubishi Electric Power Products, Inc.  No fee will be paid if a candidate is hired for this position as a result of an unsolicited agency or search firm referral. 


 

 

 

 

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