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Principal Systems Engineer BESS Product Development

Fluence Energy


Job Location:

Bengaluru - India

Monthly Salary: Not provided by the employer
Posted: 29 September 2026 (12 hours ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

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.

Job Description:

As a Principal Systems Engineer you will drive system architecture technicalmeetings and engineering excellence across Fluences product portfolio. You will lead the definition of complex multi-megawatt (multi-MW) system architectures guide multidisciplinary engineering teams and directly influence product roadmaps.

This role requires deep technical expertise exceptional systems thinking and the ability to solve the energy storage industrys most challenging engineering problems while mentoring engineers and establishing world-class systems engineering best practices across the organization.

Key Responsibilities

  • Act as the systems architecture lead for utility-scale energy storage products (BESS) and platform development.

  • Develop maintain and oversee product system architecture integrating batteries power conversion systems (PCS) transformers communications auxiliary power mechanical software and controls.

  • Lead system-level requirements functional decomposition interface control documents (ICDs) and technical specifications using tools likeJAMA Connector MBSE tools

  • Drive technical trade-offs and resolve complex cross-disciplinary challenges

  • Leadpreparation for technicalreviews and provide technical guidance for major Product Development initiatives

  • Partner with Product Management engineering leadership and business stakeholders to define long-term technology roadmaps.

  • Convert customer market regulatory and grid-connection requirements into highly scalable technical architectures.

  • Champion platform standardization modularity and product scalability across multiple generations of products

  • Lead system-level trade studies balancing performance safety reliability manufacturability cost and schedule.

  • Own complex integration strategies across electrical mechanical controls communications and cloud interfaces.

  • Define verification and validation (V&V) strategies. Collaborate with lab and field engineering teams to oversee hardware testing prototype validation FAT/SAT protocols and full qualification

  • Support lead and facilitate Root Cause Analysis (RCA) Management of Change and incorporate field feedback into future designs

  • Lead product safety engineering activities including DFMEA FMEA HARA and Fault Tree Analysis (FTA)

  • Ensure product compliance with global standards codes and regulatory requirements (e.g. UL 9540 UL 9540A IEC 62933 NFPA 855 NFPA 70 IEEE etc).

  • Actively mentor coach and guide Systems Engineers across multiple product lines.

  • Drive collaboration across Product Management Hardware Software Controls Manufacturing Quality and Service teams

Required Qualifications

  • Bachelors orMasters degree in Electrical Engineering Systems Engineering Mechanical Engineering Computer Engineering or a related technical discipline.

  • 12 years of industry experience in systems engineering product development or system architecture within renewable energy or power systems.

  • Extensive experience with utility-scale Battery Energy Storage Systems (BESS) Power Conversion Systems (PCS) microgrids or grid integration

  • Deep understanding of systems engineering principles including requirements development functional decomposition interface management system architecture and verification & validation.

  • Strong technical background spanning electrical mechanical controls embedded and software systems.

  • Proven track record of conducting safety and risk assessments (DFMEA FMEA HARA) and root cause analysis.

  • Experience developing products compliant with international safety and performance standards (UL 9540 UL 9540A IEC 62933 NFPA 855 etc.)

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. Were 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.


Required Experience:

Staff IC


About Company

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Fluence is a global market leader in energy storage products and services, and cloud-based software for renewables and storage assets.

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