What you'll do
The Electrical Engineering Group (EN-EL) at CERN is responsible for the electrical power-distribution network (from 400 kV to 400/230V), for the fibre-optics infrastructure, and for signal and DC-power cabling for the accelerator complex.
You will join the Electrical Design and Documentation Office (EN-EL-DDO) as an Electrical Designer. Working under the guidance of senior design managers, you will contribute to several strategic CERN projects, including the electrical consolidation of the North Area, SPS LV electrical substations and the renovation of obsolete medium-voltage protection relays in the LHC.
With the support of a senior designer, you will do the design of low voltage distribution networks, equipment sizing, protection studies and lighting studies with the objective of taking on projects of increasing complexity.
Your responsibilities
- Perform short-circuit calculations.
- Conduct protection coordination and selectivity studies.
- Design electrical power distribution systems and circuits.
- Prepare calculation reports, lighting studies, and earthing studies.
- Produce electrical design drawings, including single-line diagrams.
- Prepare bills of materials for electrical equipment and installations.
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Your profile
- Proven hands-on experience in the design of low voltage distribution networks (LV calculation notes, equipment dimensioning, selectivity studies and protection).
- Proven experience in short circuit calculations.
- Proven experience in selectivity studies.
- Experience in the design of lighting systems for buildings and external areas using DIALux is beneficial to the role.
- Experience in secondary design with E-PLAN or similar software is beneficial to the role.
- Experience in the design of medium voltage distribution networks is beneficial to the role.
- Your studies focused on Electrical Engineering.
Your skills
- Knowledge of LV standards, LV protection, indirect contact protection, knowledge of different types of earthing systems and safety networks) is required.
- A good understanding of power systems; voltage drop calculations, short circuit calculations and dimensioning of cables and equipment is required.
- Experience with low voltage design calculation tools (ElecCalc, Caneco or similar software) is required.
- Proficiency in AutoCAD or similar is required.
- Spoken and written English, with a commitment to learn French.
Employment conditions
- A valid driving licence.
- Work in Radiation Areas.
- Interventions in underground installations.
Global Benefits at CERN
Let's get you ready
Be sure to meet the eligibility criteria
- You are a national of a CERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani and Lithuanian nationals for positions with a 2026 start date, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
- By the application deadline, you have a master’s degree with 2 to 6 years of professional experience since graduation or a PhD with a maximum of 3 years of professional experience since graduation. You are not eligible with only a bachelor’s degree.
- You have never had a CERN fellow or graduate contract before.
- Please pay attention to the additional criteria and requirements for this specific position and mentioned above.
You will need these documents to complete your application
- Your CV (English or French)
- A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)
- Any document you consider relevant to your application