Job announcement Bielefeld University, Department of Evolutionary Biology Research associate position in Evolutionary Ecology of Behaviour Application deadline: 11.12.2025 The Faculty of Biology offers a full-time research associate position in Evolutionary Ecology of Behaviour The candidate will be part of an active and cooperative team of researchers in the Department of Evolutionary Biology. The main research focus of the work group is on studying general aspects of the evolutionary ecology of behaviour, using various methods to understand phenotypic plasticity, the evolution of sex differential traits, phenotypic variance and maintenance of between-individual differences. The Department of Evolutionary Ecology is involved in a larger DFG-funded third-party project (CRC/TRR 212): "A Novel Synthesis of Individualisation across Behaviour, Ecology and Evolution: Niche Choice, Niche Conformance, Niche Construction (NC3)" The position can start on May 1, 2026 and is funded until the end of October 2028. Main responsibilities: Research tasks (70 %): designing and performing experiments, meta-analyses or theoretical modeling, analysing the data received, writing scientific publications for international journals In case of experimental studies planned by the applicants, it is indicated that the present infrastructure only suits smaller invertebrates. Teaching tasks (25 %): involvement in teaching activities within the work group in courses already existing within the scope of 4 hours per week Other tasks (5 %): contributing to organising the group meetings, help keeping the departmental homepage updated Your Profile: We expect: completed scientific university degree (e. g. Bachelor, Master or equivalent) in a relevant discipline, e.g. biology, statistics, alternatively even mathematics, information technology or any similar subject completed PhD in a relevant field experience in evolutionary or rather behavioural ecology, experience with experimental tests of evolutionary theory, statistical meta-analyses or mathematical modelling of evolutionary processes, interest in general biological questions related to theoretical evolutionary ecology excellent oral and written English language skills independent, self-reliant and dedicated style of work strong organizational and coordination skills, ability to cooperate and work in a team Preferable qualifications: main focus of PhD in theoretical ecology, population genetics, behavioural ecology or evolutionary ecology successful publication of papers in peer-reviewed international journals experience in collaborations between empiricists and theoreticians some overlap of research interests with other members of the department We offer: salary according to remuneration level 13 TV-L, fixed-term (until 31 October 2028) internal and external training opportunities, variety of health, consulting and prevention services reconcilability of family and work, flexible working hours, 30 days holiday, good transport connection, supplementary company pension, collegial working environment, open and pleasant working atmosphere, exciting, varied tasks Application Procedure: We are looking forward to receiving your application that should at least contain a motivation letter and a CV that includes a publication list. To apply, please preferably use the application button in our online form: https://jobs.uni-bielefeld.de/job/view/4618/research-position-m-f-d-in-evolutionary-ecology-of-behaviour-postdoc?page_lang� Otherwise, and for inquiries please send an e-mail to Klaus.Reinhold@uni-bielefeld.de "Reinhold, Klaus" (to subscribe/unsubscribe the EvolDir send mail to golding@mcmaster.ca)