Preventative Maintenance Field Service Technician III

Number of employees

1010

San Diego, CA, USA, United States

Posted on: 2025-07-24

Category: energy

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Fluence is the leading global energy storage technology and services company, created and backed by Siemens and AES, two industry powerhouses and pioneers in energy storage. Fluence unites the scale, experience, breadth, and financial backing of the two most experienced icons in energy storage.

Our mission is to create a more sustainable future by transforming the way we power our world. Energy storage is critical to this transformation, yet today the market is fragmented and customers face the challenge of finding a trusted technology partner amidst conflicting technical claims, inexperienced vendors and installers, and new market entrants with limited power sector knowledge.

Fluence brings the proven technology solutions and services that overcome the commercial and regulatory barriers that stand in the way of modernizing our energy networks. We are the partner that can deliver at a global scale with the most experienced and knowledgeable team in the world.

About Fluence: Fluence (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our solutions and operational services are helping to create a more resilient grid and unlock the full potential of renewable portfolios. With gigawatts of successful implementations across nearly 50 markets, we are transforming the way we power our world for a more sustainable future. For more information, please visit fluenceenergy.com.
 
Our Culture
At Fluence, our culture is the foundation that drives our ambitious growth strategy and fuels our mission to transform the future of energy. Our core cultural pillars empower us to innovate, collaborate, and lead with purpose, ensuring we continue to deliver unparalleled value to our customers and the world.

Unleash Voices
We believe every voice matters. We encourage openness, active listening, and decisive action to create a culture where everyone has the opportunity to contribute to our success. We foster an environment where diverse perspectives are heard and valued, driving innovation and progress.

Customer Fluent
Our customers are at the heart of everything we do. We’re committed to delivering exceptional value that exceeds expectations by understanding our customers' needs and adapting swiftly to meet them. Our deep focus on customer satisfaction drives us to continuously improve and innovate.

Infinite Impact
We are committed to creating the impossible. We push boundaries to deliver sustainable, game-changing solutions that shape a brighter, more energy-efficient future for all. Our team is passionate about making a lasting impact that will resonate for generations to come.

All In
We are all in for growth. Our teams are relentlessly focused on identifying and seizing opportunities that propel us forward. We embrace an ownership mindset, pushing ourselves and each other to accelerate progress and create lasting success.

ABOUT THE POSITION:
The BESS PM Field Service Technician (FST) under the general direction of the PM Manager
Manager, performs all aspects of service operations, maintenance, and support for Battery Energy
Storage Systems. The PM Field Service Technician will assist the PMM with site reports, and
other written and verbal communications between the site and the Management Team, customers,
vendors, etc.

As the BESS PM Field Service Technician, you will:
•Be responsible for site safety by utilizing best practices, building on established Fluence safety
culture, and utilizing Fluence safety management systems. Utilize stop-work authority when
warranted. Alert project team members immediately of issues and concerns.
•Perform scheduled preventative maintenance on various BESS equipment and related assets
(including but not limited to SCADA communications, Inverters, MV (Medium Voltage) & HV
operations, HVAC, substations switching & inspections, etc.).
•Aid in inspection, testing, and repair of utility-scale power and controls equipment, execute various
technical tasks, processes, and procedures, such as: interpret single-line drawings and schematics,
troubleshoot BESS installations and configurations, perform electrical testing, troubleshoot control
wiring and I/O racks, configure TCP/IP and Modbus protocols, etc.
•Support the PML/PMM in managing multiple 3rd party service vendors in the safe execution of
O&M services across contracted BESS projects.
•Assists the PML/PMM with creating/reviewing/approving/executing Work Orders accurately
inventory management, data collection and summary reports.
•Hold responsibility for meeting timelines and schedules, scopes of work, quality assurances, and
inspections, successful troubleshooting and repairs, and work orders.
•Maintain open lines of communication to supervisors, engineers, and managers by effective use of
MS Teams, emails, and other communication tools.
•All other job-related duties as assigned.

What will our ideal candidate bring to Fluence?
HS Degree and 2-4 years’ experience working in the electrical or renewable energy industries within
generation / operations / technical teams (solar/wind/BESS/gas/hydro/distribution).

Demonstrated problem-solving skills related to electrical troubleshooting, read, and interpret
schematic drawings, ability to follow company QC and testing procedures.

High level of attention to detail and focus on proper documentation.

Preferred experience with:
Bidirectional inverters, 1500VDC and 690 VAC systems, extra for substations.

Using electrical testing equipment, including meggers and multimeters.

Managed Ethernet Switches, Media Converters (Fiber & Serial).
HVAC & Chiller systems operations & maintenance.

Using Torque tools and Thermal Imaging tools to maintain/verify proper electrical connections.

Other Requirements:
Ability to adapt and work in extreme hot and cold environments, manage time and tasks effectively
with a sense of urgency, and work overtime/weekends as needed.

Either currently hold, or able to immediately obtain certifications for OSHA 10, NFPA 70E, and CPR

Must be willing to travel frequently, up to 3 weeks

Able to operate company vehicles both on-site as well as on public roads and highways. Must have a current driver’s license with a good DMV record.

Requires the ability to physically bend, stoop, sit, stand, walk, reach, climb ladders/steps, and lift at least
50 lbs 


At Fluence we are dedicated to building a diverse, inclusive, and authentic workplace. Fluence fosters a purpose-driven, and innovation-focused culture where every voice is valued, customer impact is paramount, and teams are united in driving sustainable energy transformation. 
To support our teams and their families beyond the workplace, Fluence provides an outstanding benefits package effective day one of employment!  
 
🔋 Competitive salary and benefits package 
🔋 ERG Opportunities #diversity  
🔋 Unlimited PTO for valuable work-life balance 
🔋 Medical, Dental, Vision, Life and Pet Insurance 
🔋 Generous 401K Match 
🔋 Annual Bonus Incentive 
🔋 Long Term Incentives for Director level and above 
🔋 Collaborative and supportive work environment 
🔋Opportunities for professional development and growth 
  
Follow Fluence on LinkedIn:  Fluence LinkedIn 
Fluence Career Page: Fluence Careers 
 
Questions?  Message your Talent Acquisition Partner Directly:

Fluence IS AN EQUAL OPPORTUNITY EMPLOYER and fully subscribes to the principles of Equal Employment Opportunity to ensure that all applicants and employees are considered for hire, promotion, and job status without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, marital or familial status. 

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