Job Description

For the Department Fish Biology, Fisheries and Aquaculture of IGB in Berlin-Friedrichshagen at Lake Müggelsee we are inviting applications for the position of a Research Assistant starting as of 01 January 2026.



Vaccination of fish is an effective means of preventing diseases in aquaculture. In the Fish Parasitology and Immunology group, we are investigating novel methods for improved vaccine administration in fish and are seeking support for the joint project ‘Immersion vaccination of fish using low-frequency sonophoresis (VacSono)’. The project aims to experimentally demonstrate how the effectiveness and efficiency of immersion vaccination can be improved by means of sonophoresis, with a view to applying the method in operational practice.

Your tasks

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Investigations into the effect of low-frequency ultrasound on immersion vaccination of rainbow trout Histological and molecular biological analyses Presentation of the research results Publication of research results in international journals

Your profile

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Completed university degree (university diploma/M.Sc.) in biology, fisheries science or a related field Practical laboratory experience with methods of molecular biology and/or in the field of histology Experience in animal experimentation is an advantage Knowledge of statistical methods for data analysis Very good written and spoken English skills Willingness to undertake business trips lasting several days

Our offer

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We offer an interesting position in an international and dynamic scientific environment. We foster flat hierarchies and active participation. We allow maximum individual freedom, enabling everyone to develop and use their creativity to the best of their abilities. The position is paid according to the German salary scheme for the public sector (TVöD Bund) as an 65 % position at E13 if the personal requirements are met. It is a fixed-term position, initially limited to 1 year. If the first experimental phase is successful, there is the possibility of temporary continued employment. The results of this project are principally suitable to develop a doctoral thesis.


We foster your career development by providing qualification and training opportunities. We actively support the reconciliation of work and family life.



The IGB is committed to diversity. We welcome every qualified application, regardless of sex and gender, origin, nationality, religion, belief, health and disabilities, age or sexual orientation. IGB is committed to increasing the number of women in this field, therefore applications from women are particularly welcome. Severely disabled applicants with equal qualification and aptitude will be given preferential consideration.

Are you interested?

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We look forward to receiving your application

by 31 October 2025

with the usual documents (letter of motivation, CV, university certificates, contact details of two references). Please state the

job reference number 27/2025

and apply exclusively via our recruitment platform at www.igb-berlin.de/en/jobs.



Questions can be directed to Dr. Klaus Knopf by phone (+49 30 64181637) or by e-mail (klaus.knopf@igb-berlin.de).





"Research for the future of our freshwaters" is the mission of IGB – Germany’s largest and one of the leading international centres for freshwater research. In order to investigate different aspects of freshwater ecosystems, their biota and societal relevance, we unit a wide range of disciplines and understand research as a joint effort. With more than 400 employees and guests from all over the world, we conduct research at five locations in Berlin and at Lake Stechlin (Brandenburg). IGB is a member of the German Leibniz Association and the Forschungsverbund Berlin e. V. www.igb-berlin.de