Senior Electrical Engineer-BESS

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.

Job Description Job Description – Senior Electrical Engineer (BESS) Role Title: Senior Electrical Engineer – Battery Energy Storage Systems (BESS)

Location: Bangalore, India

Team: Electrical Engineering

Reports to: Manager – Electrical Engineering

Role Summary We are looking for a highly skilled Senior Electrical Engineer with strong technical expertise in Battery Energy Storage Systems (BESS) to support the design, development, and deployment of next‑generation energy storage solutions. This role requires deep knowledge of AC/DC power systems, system studies, component sizing, and compliance with global electrical standards. The ideal candidate will be comfortable working in a fast‑paced engineering environment, collaborating closely with cross‑functional teams to deliver robust and scalable designs.

Key Responsibilities Electrical System Engineering

• Lead electrical design and integration efforts for utility‑scale BESS applications.
• Develop system architecture, protection concepts, and interface requirements across AC and DC domains.
• Collaborate with mechanical, controls, firmware, and system engineering teams to ensure end‑to‑end design cohesion.
• Prepare and review key engineering deliverables including, Single Line Diagrams (SLD), Schematics and wiring diagrams, General Arrangement (GA) drawings, Cable schedules, cable harness layouts, and routing plans
• Ensure design packages meet quality, safety, and manufacturability requirements through all project phases.

Component Selection & Sizing

• Perform technical sizing and selection of electrical components including, Switchgear, breakers, fuses, and disconnects, Busbars and distribution equipment, LV/HV AC components and DC subsystem components, Transformers, auxiliary loads, and power conditioning equipment.
• Review vendor specifications, conduct technical evaluations, and support procurement decisions.

Auxiliary Systems & BoM Management

• Design auxiliary electrical systems including transformer selection, auxiliary distribution, and control/power wiring strategies.
• Prepare accurate Electrical Bills of Materials (BoM) and maintain documentation throughout design iterations.

System Studies & Analysis

• Perform AC and DC arc‑flash studies, short‑circuit analysis, and system modelling using MATLAB and other analysis platforms.
• Support protection coordination, load flow studies, grounding system evaluation, and overall system safety assessments.

Standards & Compliance

• Ensure all engineering activities adhere to applicable electrical standards and codes such as: NFPA, NEC, IEC, and UL
• Drive compliance, safety, and best practices throughout design and testing cycles.

Required Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering.
• 7+ years of electrical engineering experience, with strong exposure to BESS, renewable energy, or power systems.
• Proficiency with AutoCAD Electrical and associated design tools.
• Strong understanding of AC/DC topologies, grounding schemes, and electrical protection systems.
• Hands‑on experience with MATLAB for system studies (arc‑flash, short‑circuit, protection evaluation).
• Familiarity with global electrical codes: NFPA 70/70E, NEC, IEC standards, UL certification requirements.
• Excellent communication skills with the ability to work across multidisciplinary teams.

Preferred Qualifications

• Prior experience with utility‑scale ESS, microgrids, or renewable power plants.
• Knowledge of PCS, BMS, and system‑level interface requirements.
• Experience working in product development, manufacturing, or field deployment environments.

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.