Mechanical Technical Engineer - Vacuum EquipmentNew

The mechanical technical engineer will support the LHC upgrade by preparing, testing and commissioning critical beam-vacuum equipment. The role performs acceptance and leak testing, residual-gas analysis and ultra-high-vacuum assembly, while maintaining technical records and coordinating suppliers to deliver reliable equipment for tunnel installation and operation.

• Perform vacuum acceptance testing of components for the HL-LHC collimator upgrade
• Test and validate vacuum equipment and undertake residual gas analysis
• Carry out leak tests, bake-out installation and non-evaporable-getter activation
• Assemble and prepare mechanical and vacuum systems for installation and operation
• Support installation, testing and commissioning for the LHC upgrade programme
• Prepare test reports and intervention records
• Coordinate suppliers and support procurement and delivery of technical components
• Participate in maintenance, upgrades and repairs in the LHC tunnel

• Bachelor's or master's degree in the respective field
• Maximum of 2 years of professional experience since graduation in the respective field
• Nationality of a CERN Member State or Associate Member State
• Valid driving licence
• Ability to work in radiation areas and underground installations

• Vacuum Acceptance Testing
• Residual Gas Analysis
• Leak Testing
• Ultra-High Vacuum
• Mechanical Assembly
• Technical Documentation
• Equipment Commissioning
• Supplier Coordination

• Helium Leak Detector
• Residual Gas Analyser

• Ideal start date: 1 November 2026
• Application requires a CV in English or French
• Possibility to extend the contract up to 36 months