e-STORAGE · 1 day ago
Field Service Supervisor
Phoenix, AZ
Full-time
Onsite
Senior Level
5+ years expe-STORAGE is a leading company in the renewable energy sector, focused on designing and integrating advanced battery energy storage systems. The Field Service Supervisor will lead the service team in commissioning and maintaining battery energy storage systems, ensuring compliance with service agreements and overseeing technicians on-site.
BatteryEnergyEnergy StorageManufacturing
Responsibilities
Assign tasks to Senior Service and Service Technicians
Support the Senior Service and Service Technicians during daily/weekly tasks
Coordinate Senior Service and Service Technicians to attend sites to complete tasks as necessary
Commission CSI Energy Storage’s Solbank Storage Power Block
Perform preventative and corrective maintenance of SPBs to adhere to warranty requirements
Fulfill obligations for BESS equipment under LTSA’s, which may include:
Energy Storage Cabinets (ESC’s)
Power Conversion Stations (PCS)
Ring Main Units (RMU’s) / Switchgear
Transformers
SCADA and networking devices
Provide onsite diagnostic, troubleshooting, and hands-on support to maintain equipment and achieve availability and capacity guarantees
Oversee and supervise subcontractors on site where required
Assist in developing standard operating procedures and processes
Complete work order documentation in a timely manner
Ensure inventory of spare parts is accurate
Perform proper LOTO and switching procedures as required
Support client training during commissioning
Adhere to all health and safety rules and policies
Complete other duties and projects as assigned
Qualification
Required
Minimum 2 years in a Team Leader/Supervisor role
Qualified Electrical Technician
Minimum 5+ years of relevant work experience in a service environment, preferably in renewable energy
Excellent verbal and written communication skills
Demonstrated proficiency using MS Office Applications (Word, Excel)
Must possess a valid driver's license with a clean driving record
Must be able to travel to regional locations as needed
Ability to function successfully both independently and within a team
Demonstrated professional appearance and conduct
Preferred
Construction Skills Certification Scheme will be beneficial
Previous training and knowledge of inverters
Knowledge of BESS equipment preferred
SCADA experience will be beneficial
Knowledge of general and national codes, medium voltage power systems, and Energy Storage system applications is an asset
Previous experience with a CMMS software program preferred
First Aid Trained will be beneficial
Benefits
Health coverage
Retirement plans
Paid time off
Performance bonuses
Company
e-STORAGE
e-STORAGE designs and manufactures battery energy storage systems and EPC services for utility-scale applications.
1001-5000 employees
H1B Sponsorship
e-STORAGE has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (1)
2023 (3)
2021 (2)
Funding
Current Stage
Late StageRecent News
Energy-Storage.News
2025-11-19
Energy-Storage.News
2025-11-14
Company data provided by crunchbase