Instrumentation Laboratory Assistant

**Job Description** Your responsibilities**

The Vacuum Studies and Measurements section of the Vacuum, Surfaces and Coating group (TE-VSC-VSM) is in charge of the maintenance, procurement, calibration, test and storage of more than 200 partial pressures gauges and 1000 total pressure gauges from different suppliers. We will offer a recent qualified technician unique training opportunities in the fields of:
Quantitative residual gas analyses in ultra-high vacuum, including:
Testing different models of residual gas analysers (RGA): connecting to vacuum systems, pump-down and bake-out procedures, establishing communication between instruments and computers, and practicing with dedicated software;
Optimisation of RGA's parameters and measurement of RGA's sensitivities by multiple gas injections.
Diagnose of RGA's errors and breakdowns;
Maintenance of all types of RGA: dismantle and reassembly of RGA to replace sub-components in accordance with ultra-high vacuum requirements;
Assistance to RGA users.

Total pressure measurement in ultra-high vacuum:
Calibration of Bayard-Alpert gauges in a dedicated test stand by gas injections. Measurement of sensitivities, encompassing error analysis and statistical evaluations.

**Your profile**

**Skills**:

- Technical, mechanical and instrumentation skills;
- Knowledge of computer communication tools, software and data acquisition;
- Fluent in English;
- Knowledge and hands-on experience with ultra-high vacuum systems would be an asset;
Eligibility criteria:

- You are a national of a CERN Member or Associate Member State.
- You have never had a CERN fellow or graduate contract before.
- Applicants with a Bachelor's, Master's or PhD degree are not eligible.
- Valid driving licence.

**Additional Information**
Job closing date**:3 March 2025 at 23h59 CET**

Contract duration: 24 months, with a possible extension up to 36 months maximum.

Working hours: 40 hours per week

Target start date: 01-April-2025

This position involves:

- Work in Radiation Areas.
- Interventions in underground installations.
- Residence in the immediate vicinity of the Organization's installations.

Job reference: TE-VSC-VSM-2025-8-GRAE

Field of work: Material and Surface Science

**What we offer**
- A monthly stipend of **4624** Swiss Francs (net of tax)**.
- Coverage by CERN's comprehensive **health scheme** (for yourself, your spouse and children), and membership of the CERN **Pension Fund**.
- Depending on your individual circumstances: installation grant; family, child and infant allowances; payment of travel expenses at the beginning and end of contract.
- ** 30 days of paid leave per year**.
- On-the-job and formal training at CERN as well as in-house language courses for English and/or French.

**About us**
- Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success._