Senior Commissioning Engineer

Job Description: Role Overview The Senior Commissioning Engineer is responsible for leading the end-to-end commissioning of Fluence energy storage projects across EMEA and globally. This role ensures that all systems are tested, validated, and integrated in accordance with technical standards, contractual requirements, and grid regulations to enable safe and successful commercial operation. Working cross-functionally with construction, engineering, contractors, and external stakeholders, the Senior Commissioning Engineer drives commissioning strategy, planning, and execution, while ensuring quality, safety, and performance at every stage. This position plays a critical role in transitioning projects from construction to operations by delivering fully commissioned, compliant, and operational energy storage systems.

Key Responsibilities

Commission Fluence Projects working in cooperation with multiple project stakeholders including Fluence construction managers, contractors, suppliers, telecommunication teams, control systems teams, etc.

Develop and execute commissioning plans including resourcing and scheduling.

Lead commissioning effort to achieve commercial operations, and handover from delivery/construction team to the O&M team for each project.

Define, develop and execute testing protocols based on market rules, local utility requirements, off-taker and third-party supply contracts.

Oversee complete commissioning and acceptance testing of the following systems:

Project networks, communications, and control systems;

Balance of plant relay protection, metering, HVAC, fire suppression, and electrical systems;

Battery subsystem;

Perform electricity market and/or off-taker qualification testing as required for the project to commence commercial operations.

Travel throughout EMEA and internationally

Required Qualifications & Experience

Undergraduate degree in electrical engineering (Bachelor / Master) or an equivalent training

Min. 10 years of relevant work experience

Relevant knowledge in the area of battery storage systems, inverter, switchgear for low and medium voltage

Excellent knowledge of the battery energy storage related standards and regulations of the VDE, IEC, IEEE in general

Willingness to continuously improve and develop the professional skills

Ability to convince others through initiative, constructive criticism, collegiality, decision-making ability, result orientation and a high level of quality awareness

Professional reporting and excellent communication skills, both verbally and in writing

Fluent in English and German

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.

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