Demo

Field Service Technician - III

BESS Service Technology Corporation (BEST)
Arizona, AZ Full Time
POSTED ON 3/14/2026
AVAILABLE BEFORE 5/14/2026

Job Title: Field Service Technician III

This role involves nationwide travel across the U.S., depending on project needs.
While our office is located in Plano, TX, we are specifically looking for candidates based in Arizona for easier mobilization.

The Role:
Are you a road warrior who loves solving complex electrical puzzles? We are looking for a Field Service Technician III to be our "Boots on the Ground" leader. You aren't just swapping parts; you are ensuring the reliability of the nation's energy storage systems (BESS). If you want to travel, lead onsite teams, and work with cutting-edge green tech without the hassle of freelance paperwork, this is for you.

We are seeking an experienced Field Service Technician III (FST3) to serve as an onsite lead responsible for executing and coordinating complex maintenance and repair activities for BESS, inverters, and power systems. This role bridges the gap between technicians and engineers and plays a key leadership role onsite. This is a W-2 position with variable hours.

Responsibilities

Site Support & Execution:

  • Support installation, commissioning assistance, and onsite inspections for BESS, inverters, and power equipment.
  • Perform troubleshooting and fault diagnostics, transitioning from guided support to independent problem-solving.
  • Execute rework tasks such as harness replacement, board swaps, and cooling system maintenance according to SOPs.
  • Accurately collect site data, photos, and maintain daily activity logs.

Safety & Compliance:

  • Strictly follow company and client safety requirements, including PPE, LOTO, and electrical safety protocols.
  • Participate in daily job briefings and hazard assessments.
  • Immediately report any safety risks or abnormal conditions.

Team Coordination:

  • Collaborate effectively with the onsite team and maintain professional communication with supervisors and site personnel.
  • Prepare basic documentation, including daily reports and checklists.
  • Promptly communicate technical issues, progress, and delays to internal and external stakeholders.

Qualifications

Minimum Requirements:

  • High school diploma or equivalent.
  • 3 years of experience in electrical, mechanical, industrial, solar, BESS, construction, or related fieldwork.
  • Ability to travel extensively (70%-100%) nationwide.
  • Valid driver's license.
  • Ability to lift 50 lbs or more.
  • Basic electrical or mechanical aptitude with the ability to read SOPs, checklists, and basic diagrams.
  • Proficiency with common tools and safe operation practices

Preferred Qualifications:

  • OSHA 10/30, NFPA 70E, or relevant electrical certifications.
  • Experience on utility-scale sites (solar, BESS, heavy electrical).
  • Basic electrical measurement experience (voltage/current testing).
  • Experience operating forklifts or skid steers.
  • Veterans and those with trade-skill backgrounds are encouraged to apply.

Job Type: Part-time

Pay: $26.00 - $28.00 per hour

License/Certification:

  • Driver's License (Required)

Willingness to travel:

  • 100% (Preferred)

Work Location: On the road

Salary : $26 - $28

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Field Service Technician - III?

Sign up to receive alerts about other jobs on the Field Service Technician - III career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$65,102 - $82,712
Income Estimation: 
$75,028 - $92,753
Income Estimation: 
$70,094 - $94,325
Income Estimation: 
$102,517 - $196,564
Income Estimation: 
$92,982 - $115,182
Income Estimation: 
$65,102 - $82,712
Income Estimation: 
$75,028 - $92,753
Income Estimation: 
$70,094 - $94,325
Income Estimation: 
$102,517 - $196,564
Income Estimation: 
$92,982 - $115,182
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Not the job you're looking for? Here are some other Field Service Technician - III jobs in the Arizona, AZ area that may be a better fit.

  • Air Products and Chemicals, Inc. Chandler, AZ
  • At Air Products, our purpose is to bring people together to reimagine what's possible, collaborate and innovate solutions to the world's most significant e... more
  • 7 Days Ago

  • ARIZONA WATER COMPANY Casa, AZ
  • JOB SUMMARY Under the supervision of the General Division Manager, Assistant Manager and the Operations Superintendent, the Field Service Technician ("FST"... more
  • 13 Days Ago

AI Assistant is available now!

Feel free to start your new journey!