Mechanical Technician

Job Posting Organization:
CERN, the European Organization for Nuclear Research, is a leading scientific research institution established in 195

• It is located in Geneva, Switzerland, and is known for its groundbreaking work in particle physics. CERN employs over 2,500 staff members and collaborates with thousands of scientists from around the world, representing more than 100 nationalities. The organization operates in multiple countries, primarily focusing on fundamental research in physics and engineering, utilizing the world's largest and most complex scientific instruments to explore the fundamental structure of the universe.

Job Overview:
As a Mechanical Technician at CERN, you will be an integral part of the ATLAS Detector Operation Group, responsible for maintaining and operating the ATLAS detector. This role involves significant participation in the upgrade of the detector systems, which requires hands-on experience and a strong team spirit. You will be tasked with the installation of new sub-detectors, utilizing specialized mechanical tooling and precise positioning techniques. Your role will also include the installation of access platforms and scaffolding towers, as well as the movement of sub-detectors that necessitate accurate positioning and the operation of hydraulic, pneumatic, and electromechanical equipment. You will define manufacturing methods, manufacture parts and tooling using both conventional and CNC machines, and assemble various components according to detailed instructions, ensuring optimal functionality through adjustments. Your work will be crucial in navigating the challenging environment of the experimental cavern, where you will face exciting challenges that require versatility and problem-solving skills.

Duties and Responsibilities:
The duties and responsibilities of the Mechanical Technician include:

• Installation of new sub-detectors using specialized mechanical tooling and precise positioning techniques.
• Setting up specific access platforms and standard scaffolding towers in various configurations to facilitate operations.
• Participating in the movement of sub-detectors, which requires accurate positioning and the operation of hydraulic and pneumatic equipment, as well as electromechanical systems.
• Defining and implementing manufacturing methods for parts and tooling.
• Manufacturing mechanical components using both conventional and CNC machines.
• Assembling different components according to detailed instructions, making necessary adjustments to ensure optimal functionality.
• Applying mechanical measurement techniques and conventional dimensional metrology to ensure precision in all tasks.
• Collaborating with team members to ensure effective communication and teamwork in achieving project goals.

Required Qualifications:
Candidates must possess a technical certificate or general secondary education, or equivalent relevant experience in the field of Mechanics or a related discipline. A strong foundation in mechanical principles and practices is essential, along with demonstrated experience in the on-site installation of mechanical devices or structures. Candidates should have significant experience in machining, utilizing both conventional and CNC machines, and a good understanding of mechanical design drawings and tolerance specifications. Experience in scaffolding or personnel-platform installation is considered an asset, as is initial experience in operating hydraulic, pneumatic, or electromechanical equipment.

Educational Background:
The educational background required for this position includes a technical certificate or general secondary education in Mechanics or a related field. Candidates with equivalent relevant experience may also be considered. A solid understanding of mechanical principles, design, and manufacturing processes is crucial for success in this role.

Experience:
Candidates should have demonstrated experience in the installation of mechanical devices or structures on-site. Strong experience in machining, particularly with both conventional and CNC machines, is essential. A good understanding of mechanical design drawings and tolerance specifications is required. Experience in scaffolding or personnel-platform installation would be advantageous, as would initial experience in the operation of hydraulic, pneumatic, or electromechanical equipment.

Languages:
Proficiency in spoken and written English or French is mandatory, with a commitment to learn the other language being highly desirable. This bilingual capability is essential for effective communication within the diverse environment at CERN.

Additional Notes:
This position is offered as a limited duration contract for 5 years, with the possibility of extension up to 8 years and eligibility for an indefinite contract tenure. The working hours are set at 40 hours per week, and the position is fully onsite. Candidates should be prepared for work in radiation areas and interventions in underground installations. A valid driving license is required, and the role may involve working during nights, Sundays, and official holidays as needed. There are occupational health risks associated with this position, and selected candidates must obtain medical clearance before a contract offer is confirmed. The job grade is classified as 3-4, and the reference for this position is EP-ADO-PO-2025-265-LD. The role falls under the field of Mechanical Engineering, with a benchmark job title of Mechanical Technician. CERN offers a competitive salary that is tax-free and increases with relevant experience, along with 30 days of paid leave per year plus 2 weeks of annual closure, comprehensive health insurance coverage, family allowances, and a relocation package depending on individual circumstances.