Location: Interdisciplinary Center for Clinical Research (IZKF) / Flow Cytometry Facility (FCF) - Laboratory and office Working hours: 100% of the collectively agreed full-time working hours (currently 38.5 hours/week) Fixed-term contract: Initially limited until 30.06.2029 in accordance with the German Academic Fixed-Term Contract Act (§ 14 TzBfG); an extension is intended Start date: As soon as posible Salary: Pay grade EG 9a according to the collective agreement for the public sector of the federal states (TV-L) Since 2017, the Flow Cytometry Facility (FCF) at the Faculty of Medicine at RWTH Aachen University supports internal and external research groups, scientists and doctors in the planning and execution of flow cytometry experiments. FACS-based cell sorting and analysis, as well as comprehensive support for our users, form the core of the services we offer. We work with around 150 users annually from 35 different research groups working on a wide range of projects, and work with primary tissue samples from mice, rats and humans, as well as bacteria, transfected cells and various cell lines. We support our users in the analysis of cells, particles and bacteria using our FACS analysers (BD FACS Canto II, BD LSRFortessa, MACSQuant 10) as well as our Cytek Aurora spectral flow cytometer, and we perform cell purification on our FACS cell sorters (BD FACS Aria Fusion, BD FACS Aria II) as a service. [Link to our Homepage: https://www.medizin.rwth-aachen.de/cms/Medizin/Die-Fakultaet/Einrichtungen/IZKF-Aachen/Core-Facilities/~psui/Flow-Cytometry-Facility/](https://www.medizin.rwth-aachen.de/cms/Medizin/Die-Fakultaet/Einrichtungen/IZKF-Aachen/Core-Facilities/~psui/Flow-Cytometry-Facility/) Why choose us? We offer… - 30 days of vacation - A bonus of 3,000 euros for employees who help recruit employees in the care sector - An attractive company pension scheme from VBL - Education opportunities, including updating and upgrading - Access to public transport - In-house kindergarten (places subject to availability) - Staff residences (places subject to availability and by arrangement) - An onboarding app for new employees - Extended opening hours in the staff restaurant We are looking for an enthusiastic person with flow experience to strengthen our team as soon as possible. As a Flow Cytometry Specialist, you will be responsible, together with your colleagues, for coordinating the Flow Cytometry Core Facility. Your responsibilities will include: - Cell sorting as well as analytical and spectral flow cytometry using our FACS instruments - Training and support for users of the Core Facility - Analysis and interpretation of experimental FACS data - Planning of FACS experiments, assistance with panel design - Calibration and maintenance of our flow cytometers - Procurement of equipment and supplies - Management of schedules, user data, and finances - Preparation of internal grant renewal applications and annual reports - Drafting and revision of protocols, SOPs, and documents - Training of new staff members and student assistants - Communication with users (email, website, flyers, etc.) - Planning and conducting seminars to impart theoretical and practical FACS knowledge - Further development of the facility Profile: - Professional training as technical assistant (BTA, MTA) or B.Sc., M.Sc. degree in cell biology, molecular biology, immunology or biotecnology, or equivalent experience level  - Strong written and spoken communication skills in English (and German) are essential - Basic experience in flow cytometry/cell sorting and cell-based techniques Strong organisational skills and the ability to work well in a team within a research- and service-oriented environment - Extensive experience in performing FACS experiments and in operating flow cytometers for the analysis and sorting of cells, particularly instruments manufactured by BD, Cytek and Miltenyi is desired - A quick mind and the ability to analyse problems that arise with flow cytometers and find solutions - Reliability - Teamplayer - Flexibility - Good organisational skills - Good communication skills Application Process: Please submit your application via our application portal, quoting reference number GB-P-55908. The application deadline is August 05, 2026. If you have any questions, please contact Nathalie Steinke E-mail: nsteinke@ukaachen.de Phone: +49 (0)241 80 37654 We look forward to receiving your application! This job advertisement is aimed at all genders. The RWTH Aachen University Hospital promotes equal opportunity and diversity. Applications from women are expressly sought and, in accordance with relevant laws, will be treated preferentially. We welcome applications from people with disabilities and they will be given priority if they are equally suitable. Employment at a fraction less than the weekly full-time working hours stated above is generally possible. It is preferable to use our digital application portal at www.karriere.ukaachen.de to apply. The portal allows you to upload your documents to an electronic application folder, which is protected from unauthorized access. Applications received by email are transferred to our application portal and then deleted in accordance with data protection regulations. (Transmission by email is usually inadequately protected.) If you do not agree to the transfer of your data to our portal, we unfortunately cannot consider your application. The data in the portal will be deleted after the retention period has expired. This job advertisement was created using an AI-supported system. Final content review and responsibility lie with the Universitätsklinikum Aachen.