Commissioning Engineer; Polish Speaker

Position: Commissioning Engineer (Polish Speaker)
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.

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Job Description:

Role Overview As a Commissioning Engineer (Polish Speaker) , you will lead the pre-commissioning, commissioning, and start-up activities for utility-scale Battery Energy Storage System (BESS) projects, ensuring a safe and successful transition from construction to operation. You will coordinate testing, manage commissioning schedules, work closely with customers, contractors, and local authorities, and ensure compliance with quality, safety, and regulatory requirements. This role requires a fluent Polish speaker to effectively support projects and stakeholders across Poland.

This position is ideal for someone who enjoys hands-on field work, thrives in fast-paced environments, and is comfortable taking ownership while solving problems independently. Training is primarily provided through practical, on-the-job experience.

This is a unique opportunity to directly contribute to the renewable energy transition while working on cutting-edge battery storage projects across Europe. The role offers significant autonomy, ownership, and decision-making responsibility, combined with the opportunity to travel, work with diverse teams and customers, and gain exposure to a wide range of complex projects. It is well suited to individuals who prefer practical, technical work in the field over a traditional desk-based role.

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

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

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;

Inverter subsystem.

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

Travel extensively across primarily Europe (60%+), including extended site assignments, to lead on-site commissioning activities and support the successful delivery and handover of utility-scale BESS projects.

Required Qualifications & Experience Undergraduate degree in electrical engineering (Bachelor / Master) or an equivalent training

Min. 5 years of relevant work experience

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

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

Willingness to continously 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

Fluency in English and Polish 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 InWe 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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