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    • Braunschweig
    • Hannover
  • Full time
  • Recruitment


  • Technology


  • Phd
  • Researcher
  • Research Engineer

Apply by: 2021-06-28

Scientist (f/m/d) with a doctorate (PhD) specializing in physics, electrical engineering or a comparable field

Published 2021-06-10

The Physikalisch-Technische Bundesanstalt (PTB) is the National Metrology Institute of the Federal Republic of Germany with scientific and technical service tasks. It furthers progress and reliability in metrology for society, the economy, and science.

With a starting date as soon as possible, Department 4.3, Quantum Optics and Unit of Length, is looking for a candidate to fill the following position at our Braunschweig site or in Hannover for a duration of three years:

Scientist with a doctorate (PhD)
specializing in physics, electrical engineering or a comparable field

Remuneration Group up to 14
TVöD Bund ○ full-time ○ fixed-term contract

Your tasks:
Within the scope of the QuantumFrontiers Cluster of Excellence, you will investigate new methods for disseminating highly stable optical frequencies via optical fiber and via free-space transfer for the purpose of frequency comparisons between optical clocks. Your tasks in Working Group 4.34 will include:

  • Optical free-space transfer with relative uncertainties <10-18 by means of continuous or mode-locked lasers
  • Glass-fiber-based optical frequency dissemination with relative uncertainties <10 19 for international comparisons of optical clocks and applications in relativistic geodesy
Within the scope of your assignment, you will have to deal with setting up and characterizing optical measuring systems and electronic circuits on a daily basis. In this way, you will be determining uncertainty budgets for the entire measuring system and continuously be improving the system.

Your profile:

  • You have completed your university studies in physics, electrical engineering or a comparable subject with the grade “very good” and have obtained a doctorate.
  • You have experimental experience in the field of laser optics.
  • Knowledge of control or communications engineering would be an advantage.
  • Ideally, you are familiar with programming FPGAs.
  • You have practical knowledge of metrology, data acquisition and data evaluation.
  • You have a very good command of both spoken and written German and English.
  • You are able to carry out specific scientific work autonomously; you also have good experimental and organizational skills.
  • You are a team player with excellent communication skills.
  • You are highly committed and have a high sense of responsibility.
  • You are willing to travel within Germany and abroad within the scope of your assignment.
  • You are ready and physically able to plan and perform field measurements and experiments outside the institute autonomously.
We offer:

  • A position at one of the world’s leading research institutions which has an excellent infrastructure
  • Excellent national and international connections
  • Collaboration in an interdisciplinary team of experts with diverse scientific backgrounds
  • Various basic and advanced training opportunities
  • Remuneration in accordance with the collective bargaining agreement for the public service (Tarifvertrag öffentlicher Dienst Bund – TVöD for the federal level) including special annual payments and capital forming benefits
  • Flexible working hours
  • 30 days’ paid annual leave as well as two additional days off on 24 and 31 December
You will find further information related to this position here and by contacting:
Dr. S. Koke, phone: +49 531 592-4344, e-mail: sebastian.koke@ptb.de or
Dr. H. Schnatz, phone: +49 531 592-4300, e-mail: harald.schnatz@ptb.de

PTB promotes the professional equality of women and men and is thus especially interested in applications from women. Within the scope of the official feasibilities, PTB offers flexible part-time work schemes in order to support in particular the compatibility of work and family life. Disabled persons will be given priority if they have the same occupational aptitude.

Please use our online application form. Alternatively, you can post your application to us at the following address:

Physikalisch-Technische Bundesanstalt
Referat “Personal”
Reference number 21-311-4
Bundesallee 100
38116 Braunschweig
Unfortunately, we cannot accept applications sent via e-mail.

Applications can be submitted from 31 May 2021 until 28 June 2021.

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