Junior Commissioning Engineer

Junior Commissioning Engineer

CERN - European Organization for Nuclear Research

Geneva, Switzerland

What you'll do

Join CERN’s Electrical Engineering group in a role suited to an early career electrical engineer seeking hands on experience with High Voltage and Low Voltage power systems, including testing, validation and commissioning. You will contribute to the deployment of electrical installations across CERN while developing your expertise in a world class technical environment.

Your responsibilities

• Lead or contribute to commissioning activities for HV and LV switchgears, transformers, circuit breakers, UPS systems, 48 V DC systems and protection relays;
• Prepare commissioning procedures, test plans and risk assessments;
• Perform advanced commissioning tests, including protection relay secondary injection, logic validation, SCADA communication and interlocking functionality;
• Identify and resolve issues during commissioning and define corrective actions;
• Coordinate activities with project teams, operations teams and external suppliers;
• Produce clear commissioning reports and ensure proper integration into CERN documentation systems.

Your profile

• Your studies focused on Electrical Engineering, Power Systems or related technical field.

Your skills

• Basic knowledge of power system equipment and electrical protection principles;
• Motivated to learn commissioning practices in HV/LV environments;
• Strong analytical mindset, communication skills and willingness to work in field environments;
• Spoken and written English, with a commitment to learn French.