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RF Engineering | Synchronization and Timing Physics

80% or more | Villigen (Switzerland)


Your new role

At SwissFEL, where our Timing and Synchronization group operates a complex electro-optic synchronization system, you and your team support us in developing, commissioning, and maintaining ultra-precise timing references, including ultra-stable RF signals and pulses from mode-locked reference lasers. In a motivated cross-disciplinary team, you develop and commission femtosecond stable phase-locked loops while taking an agile approach to new requirements. As part of your responsibilities, you elaborate concepts and techniques for femtosecond-accurate synchronization.

Collaborating closely with both German and English-speaking stakeholders, you maintain ongoing communication with various groups across different SwissFEL installations.

For further information, please call Cezary Sydlo, PhD, at +41 56 310 20 65.

This job is for you if

  • You look forward to applying your advanced degree knowledge in electrical engineering, physics, or a similar scientific field to support our Timing and Synchronization group.

  • You are interested in sharing your experience in developing precise electro-optical and GHz RF systems to help us improve our low-noise and low-drift optical and GHz RF readout electronics.

  • You are open and feel comfortable taking the initiative in a cross-disciplinary research environment.

About Us

Join the largest research institute for natural and engineering sciences in Switzerland! At the Paul Scherrer Institute, people come together from across the globe to collaborate on ground-breaking research in different fields. Our mission: to find sustainable solutions to fundamental questions facing society, science, and the economy.

Company culture

People from multicultural backgrounds and as many as 60 nations work together at the PSI, enriching the local culture with a cosmopolitan way of life. One in four of our 2,100 staff are completing their vocational training, post-doctoral or post-graduate studies. To foster professional and personal growth for all, we have created a diverse research environment that promotes inclusion and equal opportunities at all levels. These values inform our hiring process.

What we offer

  • Flextime
  • A minimum of 5 weeks of paid annual leave and a loyalty bonus every 5 years
  • Daycare on site and generous child and education allowances
  • Above-mandatory paid leave for parents-to-be
  • Tailored personal-development opportunities and advice for dual career partners of PSI employees
  • Above-mandatory occupational benefits, accident insurance, and paid sick leave that includes recovery from accident injuries

Our Recruitment process

Melanie Rapisarda-Bellwald

Melanie Rapisarda-Bellwald, Bereichspersonalleiterin, is happy to answer your questions about the job or the team at +41 56 310 26 92 or via email.

Step 1 – Apply online, and we'll confirm right away.
Step 2 – If we feel you could be a good fit, we'll invite you to join us for an interview at PSI.
Step 3 – To learn more about each other, you will meet with our selection committee and human resources management. We give feedback soon after.
Step 4 – Should we have more questions, we'll request a second interview or contact references. We give feedback soon after.
Step 5 – Once we have a unanimous decision, we'll offer you a contract!

Apply now


Paul Scherrer Institut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland, https://www.psi.ch