Chief Battery Energy Storage System (BESS) Engineer

Fluence is a global market leader delivering intelligent energy storage and optimization software for renewables and storage, helping to create a more resilient grid and unlock the full potential of renewable portfolios.
Houston, TX, USAArlington, VA, USA91 Erlangen, Germany
Distributed Systems
Principal Software Engineer
Hybrid
15+ years of experience
Energy · Renewable Energy

Description For Chief Battery Energy Storage System (BESS) Engineer

Fluence, a global market leader in intelligent energy storage and optimization software for renewables and storage, is seeking a highly qualified Chief BESS Engineer to hold ultimate technical authority over the design, development, and optimization of the company's Battery Energy Storage Systems (BESS). This role is responsible for directing the engineering strategy, ensuring cohesive integration across mechanical, thermal, and battery systems, and driving innovation to meet evolving market demands.

As the Chief BESS Engineer, you will lead the overall design and technical strategy for BESS, maintaining full responsibility for system-level architecture and integration. You will serve as the ultimate technical authority in Design Reviews, making decisions on design direction, performance criteria, and safety standards. You will direct the integration of all BESS subsystems, ensuring that mechanical, electrical, thermal management, power conversion, and battery technologies work together to optimize system performance.

Key responsibilities include developing a long-term vision for BESS evolution, facilitating strong collaboration between engineering teams, overseeing the resolution of complex engineering challenges, and ensuring full system testing protocols are in place. You will also provide leadership and mentorship to engineers, fostering a culture of excellence, innovation, and accountability within the organization.

The ideal candidate will have a Bachelor's degree in electrical engineering, Mechanical Engineering, or a related field (Master's or Ph.D. preferred), with 15+ years of experience in battery systems, energy storage, or related fields. You should have a strong track record of leading complex, multi-disciplinary engineering projects, in-depth knowledge of battery technologies and systems, and demonstrated ability to provide technical leadership across multiple engineering disciplines.

Join Fluence and be part of a team that is transforming the way we power our world for a more sustainable future. This role offers the opportunity to lead cutting-edge developments in energy storage technology and make a significant impact on the renewable energy industry.

Last updated a month ago

Responsibilities For Chief Battery Energy Storage System (BESS) Engineer

  • Lead the overall design and technical strategy for BESS
  • Serve as the ultimate technical authority in Design Reviews
  • Direct integration of all BESS subsystems
  • Set and enforce Fluence's engineering standards across all engineering disciplines
  • Develop a long-term vision for BESS evolution
  • Facilitate strong collaboration between engineering teams
  • Oversee the resolution of complex engineering challenges
  • Ensure that full system testing protocols are in place
  • Lead risk assessments and establish mitigation strategies
  • Provide leadership and mentorship to engineers

Requirements For Chief Battery Energy Storage System (BESS) Engineer

  • Bachelor's degree in electrical engineering, Mechanical Engineering, or related field (Master's or Ph.D. preferred)
  • 15+ years of experience in battery systems, energy storage, or related fields
  • Strong track record of leading complex, multi-disciplinary engineering projects
  • In-depth knowledge of lithium-ion and alternative battery chemistries, thermal management, and mechanical systems
  • Experience with large-scale, grid-connected energy storage projects and full-system testing protocols
  • Demonstrated ability to provide technical leadership across multiple engineering disciplines
  • Strong decision-making abilities with a focus on optimizing performance, reliability, and safety
  • Excellent problem-solving and strategic thinking capabilities
  • Ability to work in diverse cultural environments with global teams and customers
  • Strong communication and negotiation skills
  • 25-40% domestic and international travel may be required

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