Mechanical Safety Engineer (HSE-OHS-PE-2025-270-GRAE)
We are looking for a Mechanical Safety Engineer to join CERN’s Process Engineering and General Safety Services section of the Occupational Health and Safety and Environmental Protection (HSE) Unit. The role requires collaboration with multidisciplinary teams of engineers, physicists, and technicians on the design, safety assessment, and maintenance of mechanical equipment and infrastructure.
Responsibilities
* Provide mechanical safety support for pressure and lifting equipment to CERN technical departments.
* Check conformity of engineering and tendering specifications and fabricated equipment with standard safety requirements.
* Support, verify and validate mechanical design calculations prepared by various CERN technical departments, including highly specialised equipment not covered by common standards.
* Contribute to the Project and Experiment Safety Support activity for the follow‑up of CERN projects, coordinating safety specialists in defining exhaustive safety requirements for experimental facilities, installations and equipment.
* Provide support in safety risk assessment and risk control, equipment integrity, audits and technical reviews.
Qualifications
* Strong knowledge or experience in Mechanical Engineering, equipment design/fabrication and/or integrity management.
* Knowledge of design and construction codes for mechanical systems (pressure equipment and lifting equipment).
* Knowledge of manufacturing and non‑destructive testing methods of mechanical systems and assemblies.
* Analytical mindset to analyse, discuss and comment on mechanical designs.
* Capability to work in an international and multidisciplinary team.
* Knowledge of structural strength assessment methods (analytical calculations, Finite Element Analysis) – valuable.
* Experience with risk assessment methodologies (e.g., FMEA, ETA, FTA, HAZOP) – valuable.
* Experience drafting and editing safety‑related reports, assessments and specifications – valuable.
* Spoken and written English; commitment to learn French – valuable.
Eligibility Criteria
* National of a CERN Member or Associate Member State.
* Maximum of two years of professional experience since graduation in Mechanical Engineering (or a related field) and highest educational qualification is a Bachelor's or Master's degree.
* No prior CERN fellow or graduate contract.
* Applicants must hold a university degree.
* Applicants with a PhD are not eligible.
Additional Information
* Job closing date: 05.01.2026 at 23:59 CET.
* Contract duration: 24 months, with a possible extension up to 36 months maximum.
* Working hours: 40 hours per week.
* Job flexibility: Fully Onsite.
* Target start date: 01‑May‑2026.
* Job reference: HSE‑OHS‑PE‑2025‑270‑GRAE.
* Field of work: Mechanical Engineering.
* Benchmark job: 200070 – Health, Safety and Environment Engineer.
* This position involves working in radiation areas, interventions in underground installations, and requires a valid driving licence.
Global Benefits
* Monthly stipend between 5196‑5716 Swiss Francs (tax free) depending on qualification.
* 30 days of paid leave per year plus 2 weeks annual closure.
* Coverage by CERN’s comprehensive health insurance scheme (for you, spouse and children) and membership of the CERN Pension Fund.
* Family, child and infant monthly allowances depending on circumstances.
* Relocation package (installation grant and travel expenses) depending on circumstances.
* Possibility to extend contract up to 36 months.
* On‑the‑job and formal training, including language classes.
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