BESS Service Engineer Working Student

Fluence Energy Poland; Amsterdam; On-site; EUR 11,000 - 20,000; Part time

Job summary

Fluence Energy Poland is seeking a BESS Service Engineer Intern to support our Service team in maintenance planning, OEM coordination, and parts management for utility-scale Battery Energy Storage Systems. The role emphasizes hands-on learning in a fast-growing renewable energy company.

The internship focuses on gaining practical experience in service operations, documentation, and stakeholder engagement, with opportunities to participate in site visits and customer meetings as part of

Qualifications

• Currently pursuing a Bachelor’s or Master’s degree in Electrical Engineering or a related technical field.
• Strong interest in renewable energy, battery energy storage, and service operations.
• Good written and verbal communication skills in English.

Responsibilities

• Support the Service team in planning and executing maintenance activities for utility-scale BESS.
• Assist in coordinating maintenance with partners and OEMs; track actions and maintain service records.
• Prepare service reports, maintenance plans and customer updates under supervision.
• Review technical documentation (SLDs, site layouts) and assist in troubleshooting under guidance.

Skills

English communication

Learning mindset

Organizational skills

Education

Bachelor’s or Master’s in Electrical Engineering

Tools

Microsoft Office

Digital tools

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:

Position Summary

The BESS Service Engineer Intern will support the Service team in the execution of operational and technical activities associated with utility-scale Battery Energy Storage Systems (BESS). The role focuses on maintenance planning, OEM support coordination, spare parts management, stakeholder engagement, technical documentation, and service operations. The internship is designed to provide practical experience in utility-scale energy storage service operations while developing technical and operational knowledge within a fast-growing renewable energy industry.

Key Responsibilities

• Support the Service team in the management of utility-scale Battery Energy Storage System (BESS) service activities.
• Assist in scheduling preventive and reactive maintenance activities, follow up with Service Partners and OEMs, and track completion of maintenance actions.
• Support the spare parts ordering process, including initiation of requests, tracking deliveries, and ensuring parts are delivered to the correct project site.
• Create and submit technical support requests to OEMs under the guidance of the Service team, gather the required technical information and documentation, and follow up on open actions to ensure timely responses and resolution.
• Maintain accurate service documentation, work order records, maintenance reports, and customer-related records within Fluence systems.
• Support tracking of site outages, maintenance activities, availability events, warranty claims, and service actions.
• Assist Service Managers and the Service team with the preparation of service reports, maintenance plans, customer updates, and operational reviews.
• Perform basic troubleshooting activities under supervision and follow established troubleshooting procedures to support issue investigation and resolution.
• Develop a basic understanding of Battery Energy Storage System components, architecture, operating procedures, and technical documentation.
• Review and interpret basic technical documentation, including Single Line Diagrams (SLDs), site layouts, operating procedures, manuals, and maintenance documentation.
• Collaborate with internal and external stakeholders to support service delivery activities and drive actions to closure.
• Participate in site visits, maintenance activities, and customer meetings as part of professional development and learning.

Required Qualifications

• Currently studying towards a Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, or a related technical discipline, with little or no prior professional experience.
• Strong interest in renewable energy, battery energy storage systems, and service operations.
• Basic understanding of electrical systems and engineering principles.
• Ability to understand and interpret basic technical documentation and drawings.
• Good written and verbal communication skills in English.
• Proficient in Microsoft Office applications and digital business tools.
• Driver's license is an advantage.

Key Skills & Attributes

• Strong willingness to learn and develop technical knowledge in Battery Energy Storage Systems and renewable energy technologies.
• Curious, proactive, and motivated to continuously expand technical knowledge.
• Demonstrates ownership and a "get things done" mindset.
• Resourceful and capable of finding solutions by engaging the right stakeholders and asking the right questions.
• Strong organizational skills and attention to detail.
• Effective written and verbal communication skills.
• Ability to manage multiple tasks and priorities in a dynamic environment.
• Positive, collaborative, and team-oriented attitude.
• Comfortable working in a fast-paced and evolving environment.
• Strong commitment to safety, quality, and continuous improvement.

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.