Job title: BESS Commissioning Engineer - Contract
Job type: Contract
Emp type: Full-time
Industry: Energy & Utilities
Pay interval: Hourly
Pay rate: Negotiable
Job published: 03/07/2026
Job ID: 253715

Job Description

Commissioning Engineer – Battery Energy Storage Systems (BESS)

Location: Strasbourg, France (preferred) or flexible across Europe
Contract: Initial 6-month contract (strong potential for extension)
Start Date: September 2026

The Opportunity

I'm supporting a leading European energy technology business that is expanding its project delivery team due to continued growth across Battery Energy Storage System (BESS) projects throughout Europe.

We're looking for experienced Commissioning Engineers to support the testing, commissioning and successful handover of utility-scale energy storage projects across Germany, France, Italy and Sweden.

This role offers the opportunity to work on cutting-edge renewable energy projects while travelling across Europe, with all business travel and expenses covered.

Responsibilities

  • Commission Battery Energy Storage Systems (BESS) and associated electrical infrastructure.
  • Carry out functional, operational and performance testing during project commissioning.
  • Commission and validate battery systems, power conversion systems, MV/LV equipment, EMS, SCADA and auxiliary systems.
  • Support site energisation and grid integration activities.
  • Diagnose and resolve technical issues during commissioning.
  • Work closely with Project Managers, engineering teams, subcontractors and customers throughout project delivery.
  • Complete commissioning documentation, site reports and final handover packs.
  • Ensure all commissioning activities are completed safely and in accordance with project and quality standards.

Experience Required

  • 3+ years' experience in commissioning, field service or project delivery within industrial electrical or automation environments.
  • Previous experience commissioning Battery Energy Storage Systems (BESS) is highly desirable.
  • Candidates with experience in renewable energy, Solar PV, power conversion systems, transformers or grid infrastructure will also be considered.
  • Strong understanding of industrial electrical systems and automation.
  • Experience working with Medium Voltage and Low Voltage equipment.
  • Familiarity with SCADA, EMS and industrial communication networks is advantageous.
  • Previous FAT, SAT and site commissioning experience.
  • Comfortable travelling across Europe as projects require.

What's on Offer

  • Initial 6-month contract with excellent extension potential.
  • European travel with all business expenses covered.
  • Opportunity to work on large-scale renewable energy and battery storage projects.
  • Flexible home base, ideally within reach of Strasbourg or Mannheim.