Commissioning Engineer

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.

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…