Logo for Fluence

Commissioning Engineer

Role overview

Qualifications

  • Undergraduate degree in electrical engineering (Bachelor / Master) or equivalent training
  • Min. 5 years of relevant work experience
  • Relevant knowledge in the area of battery storage systems, PV, inverter, switchgear for low and medium voltage
  • Fluency in English and Polish

Responsibilities

  • Commission Fluence Projects working in cooperation with multiple project stakeholders
  • Lead commissioning effort to achieve commercial operations and handover from delivery/construction team to the OM team
  • Oversee complete commissioning and acceptance testing of various systems
  • Perform electricity market and/or off-taker qualification testing as required for the project

Key facts

Other skills

  • Verbal Communication Skills
  • Problem Solving
  • Decision Making
  • Teamwork
  • Adaptability

About the company

Fluence logo

Fluence

Battery & Energy Storage

Fluence Energy, Inc. (β€œFluence”) (Nasdaq: FLNC) is a global market leader in energy storage products and services, and optimization software for renewables and storage. With a presence in over 47 markets globally, Fluence provides an ecosystem of offerings to drive the clean energy transition, including modular, scalableβ€―energyβ€―storage products, comprehensive service offerings, and AI-enabled SaaS products for managing and optimizing renewables and storageβ€―from any provider.β€―The company is transforming the way we power our world by helping customers create more resilient and sustainable electric grids.

Company details

Company typeLarge
IndustryBattery & Energy Storage
Company size1001 - 5000

Your match analysis

See how your profile stacks up against this role.

We compared the job requirements to your profile to show where you're strong and where you fall short.

Job description

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:

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, ​switchgear 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 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.

Apply once. Then go straight to the hiring manager.

After you apply, unlock the direct contact details of the people who actually make the call. A quick follow-up makes you 5x more likely to land an interview.

MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
Unlocked after you apply
Β·

Related jobs

Other jobs at Fluence

Premium

Reach out to the hiring manager directly.

Gain access to the contact details of the hiring managers who actually decide, and reach out to network with them directly. That, plus more when you upgrade:

  • Full match report with fit score and gaps
  • Career diagnostics on how recruiters read you
  • Curated company matches and warm intros
  • 48h early access to new roles

Cancel anytime.