Performance Engineer

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

We are seeking a Performance Engineer for the Fluence Americas Region who will serve as a subject matter expert for technical and engineering aspects related to the overall performance of battery energy storage systems. This role operates in a fast‑paced, challenging environment and requires strong analytical capabilities, cross‑functional collaboration, and a focus on delivering high‑quality results aligned with customer commitments.

• Evaluate site performance in alignment with customer contractual commitments and expectations
• Develop point lists and perform data acquisition to support detailed performance analysis
• Conduct battery DC and AC data analysis using a variety of analytical tools
• Prepare and deliver testing reports for all customer projects during both execution and services phases
• Review and provide redlines to customer contracts during the sales phase
• Interpret performance exhibits and single line diagrams and develop acceptance test plans based on contractual requirements
• Plan, schedule, coordinate, and execute project work efficiently to meet deadlines
• Develop and maintain standard operating procedures and processes for performance engineering activities
• Collaborate cross‑functionally with battery, sales, operations and execution, services, and product teams to identify and implement performance improvements, including design enhancements and testing strategies
• Perform root cause analysis and troubleshooting and provide recommendations to improve site performance

• Bachelor’s degree in Electrical Engineering with a Master’s degree preferred
• Experience working with an energy storage company
• Strong understanding of AWS tools such as S3 and Sage Maker as well as proficiency in Python
• Advanced skills in Microsoft Office including Excel, Word, and Power Point
• Proven ability to work independently and manage multiple priorities effectively

• Strong multitasking and time management capabilities
• Demonstrated ability to perform in a fast‑paced, high‑pressure environment with tight timelines
• Collaborative mindset with a desire to work in an entrepreneurial setting
• High level of ownership and accountability with a track record of delivering results
• Willingness to travel domestically as needed

Fluence is an Equal Opportunity Employer and welcomes qualified applicants of all backgrounds. Employment decisions are made without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, veteran status, gender identity or expression, genetic information, or any other status protected by law.

Applicants must be legally authorized to work in the United States at the time of application and throughout employment without the need for employer sponsorship. Fluence does not sponsor work visas for this position.