BESS Service Engineer Intern: Energy Storage Ops & Maintenance

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 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