UPS Field Service Engineer (Mitsubishi)

Location: South Florida (Doral / Miami Metro)
Job Type: Full-time W-2 Non-Exempt (Overtime Eligible)
Travel: Primarily South Florida with up to 25% overnight travel throughout the Southeast as needed.

About the Role

We are seeking an experienced Field Service Engineer with expertise in Mitsubishi Electric 9900 Series UPS systems to support mission-critical power infrastructure across South Florida. This role is responsible for servicing troubleshooting commissioning and maintaining large-scale UPS systems for data center healthcare government and other mission-critical facilities.

The ideal candidate is a self-motivated field professional with extensive UPS experience strong electrical troubleshooting skills and active Mitsubishi 9900 Series training.

Key Responsibilities

• Perform preventative and corrective maintenance on Mitsubishi 9900 Series UPS systems.
• Troubleshoot and repair electrical and mechanical issues with minimal technical support.
• Commission and start up new UPS installations.
• Perform load bank testing and integrated system testing.
• Execute firmware updates calibration battery testing capacitor replacement and fan replacement.
• Respond to emergency service calls and restore equipment to normal operation.
• Develop and execute Methods of Procedure (MOPs) for maintenance and service activities.
• Complete accurate field service reports following each service visit.
• Maintain company tools diagnostic equipment PPE and service vehicle.
• Support additional UPS platforms as workload permits.
• Mentor junior engineers on Mitsubishi systems and field best practices.
• Identify service opportunities lifecycle upgrades and preventative maintenance recommendations.
• Participate in scheduled on-call rotation.
• Attend ongoing manufacturer training to maintain certifications.

Required Qualifications

• Active Mitsubishi Electric 9900 Series UPS Field Certification (9900A 9900B 9900D or 9900AEGIS).
• Minimum 5 years of UPS field service experience.
• Minimum 2 years servicing Mitsubishi UPS systems.
• Experience performing:
  • Preventative Maintenance
  • Corrective Maintenance
  • Emergency Repairs
  • Startup & Commissioning
  • Advanced Troubleshooting
• Experience servicing UPS systems up to 750 kVA or larger.
• Valid drivers license with a clean driving record.
• Ability to pass a background check and drug screening.
• OSHA-10 Certification (or ability to obtain within 30 days).
• NFPA 70E Certification (or ability to obtain within 30 days).

Preferred Qualifications

• Additional Mitsubishi certifications on legacy platforms (SUMMIT).
• Experience servicing Eaton Schneider/APC Vertiv/Liebert Toshiba ABB or GE UPS systems.
• Military electrical or electronics background.
• Associate degree in Electrical Engineering Technology Electronics or a related technical field.
• Experience developing Methods of Procedure (MOPs).
• Experience using Mitsubishi SmartClear or similar OEM diagnostic software.

Skills & Competencies

• Strong electrical and mechanical troubleshooting skills.
• Excellent analytical and problem-solving abilities.
• Ability to work independently in the field.
• Strong communication and customer service skills.
• High attention to detail.
• Excellent organizational and time management skills.
• Ability to prioritize multiple service requests.
• Commitment to workplace safety and quality workmanship.

Compensation & Benefits

• Competitive compensation based on experience and qualifications.
• Overtime eligibility.
• Company vehicle or vehicle allowance.
• Company gas card.
• Health insurance.
• 401(k).
• Paid Time Off (PTO).
• Paid holidays.
• Company-provided laptop cell phone tools diagnostic equipment and PPE.
• Ongoing manufacturer training and professional development.
• Career growth opportunities within a growing critical power organization.

Why Join Us

• Work with cutting-edge mission-critical power systems.
• Be recognized as a technical expert in Mitsubishi UPS platforms.
• Join a growing organization with opportunities for career advancement.
• Enjoy a field-based role with strong autonomy and support.
• Competitive compensation excellent benefits and ongoing investment in your professional development.

How to Apply

If youre an experienced Field Service Engineer with Mitsubishi 9900 Series UPS expertise and are interested in this opportunity wed love to hear from you.

Please send your resume to with the subject line:

Field Service Engineer Mitsubishi UPS Specialist

Qualified candidates will be contacted regarding the next steps in the interview process.

Required Experience:

IC