VACANCY No. 19-05-8/4-

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. 

The Departments 8.4, "Mathematical Modelling and Data Analysis", and 4.2, "Imaging and Wave Optics", of Divisions 8 and 4, are looking for a 

Scientist 
specialized in applied mathematics, statistics, theoretical physics, engineering sciences or a similar subject 

to join them as soon as possible. You will be given the opportunity to obtain a doctorate. 

The post is available on the basis of a 2.5-year fixed-term contract. The remuneration will be paid in accordance with remuneration group 13 TVöD Bund. The duration of the position for doctoral candidates is limited to 3 years. In this case, the remuneration will be paid in accordance with remuneration group 13 TVöD Bund (85 %). Upon consultation, you will be employed either in Berlin or in Braunschweig. 

Your tasks: 
You are tackling a high-dimensional inverse problem in the field of optical interferometric form measurement in connection with the so-called tilted-wave interferometer. This task includes the application of regularization procedures, large-scale optimization of non-convex functions, as well as the quantification of uncertainties using stochastic approaches. In addition, application of machine learning tools for this problem shall be explored. The specific tasks are 

• developing numerical and statistical methods or machine learning procedures to deal with a high-dimensional inverse problem in optics 
• cooperating with a committed team consisting of physicists and engineers performing measurements using the optical system 
• writing scientific publications and presenting results at conferences 

Your profile: 
Optical imaging systems are key for many high-technology applications. Departments 8.4 and 4.2 of PTB are successfully cooperating in this field since many years and they have close links to industry.

• You have completed relevant scientific university studies (German "Diplom" or Master's). 
• You have experience in developing numerical/statistical methods or machine learning procedures. 
• You enjoy independent scientific work as well as team and project work. 
• You have a good command of English and are able to present results convincingly, both orally and in writing. 
• You have excellent communication skills and are a team player. 
• You are willing to travel abroad as well as within Germany within the scope of your assignment. 

For further information with regard to this position, please contact: 
Prof. Dr. M. Bär, phone: +49 30 3481-7687, e-mail: [log in to unmask] or 
Dr. C. Elster, phone: +49 30 3481-7492, e-mail: [log in to unmask] 
Dr. E. Buhr, phone: +49 531 592-4200, e-mail: [log in to unmask] or 
Dr. M. Schulz, phone: +49 531 592-4210, e-mail: [log in to unmask], 

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. 

Are you interested? Then we are looking forward to hearing from you. 
Please use our https://www.ptb.de/cms/en/about-us-careers/careers/bms-stellen.html or send us your application to the following postal address: 

Physikalisch-Technische Bundesanstalt 
Referat "Personal" 
Reference number 19-05-8/4 
Abbestr. 2-12 
10587 Berlin Germany 

Unfortunately, we cannot accept applications sent via e-mail. 

The closing date for applications is 15 February 2019. 

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