Technical Assistant / Laboratory Technician for Cellular Phenotyping Reference number: 2025-0018 * Mainz * Full-time * HI-TRON Mainz “Research for a life without cancer" is our mission at the German Cancer Research Center. We investigate how cancer develops, identify cancer risk factors and look for new cancer prevention strategies. We develop new methods with which tumors can be diagnosed more precisely and cancer patients can be treated more successfully. Every contribution counts – whether in research, administration or infrastructure. This is what makes our daily work so meaningful and exciting. ----------------------------------- For the Helmholtz Institute HI-TRON in Mainz we are looking for the next possible date for a The Helmholtz Institute HI-TRON in Mainz is a collaboration of the German Cancer Research Center (DKFZ) with the Johannes Gutenberg-University (JGU), the University Medicine Mainz (UM Mainz) and the non-profit TRON gGmbH (TRON). The aim of the partnership is to develop pioneering immunotherapies and identify new biomarkers for the effectiveness of the treatment. The "Cellular Phenotyping Platform" at HI-TRON is seeking a motivated and enthusiastic Technical Assistant / Laboratory Technician to support cutting-edge research in cellular phenotyping of the anti-tumor immune response. This position offers the opportunity to actively support and advance projects in cancer immunotherapy within a dynamic and collaborative academic environment. Your Tasks * Actively contribute to the development, optimization, and validation of advanced single-cell phenotyping methods, including high-parameter spectral flow cytometry * Conduct assisted cell sorting * Ensure the maintenance of state-of-the-art cytometry instruments * Execute and analyse flow cytometry experiments from cancer patients or in vitro assays, including single cell preparation, flow cytometry staining, acquisition and analysis * Ensure thorough documentation of laboratory activities and adherence to quality standards * Provide technical expertise in cellular phenotyping to the HI-TRON scientific community * Manage the platform operations, including resource management, ordering, and inventory control Your Profile * Successfully completed training as a technical assistant (BTA, CTA, MTA), biology laboratory assistant or comparable qualification * Proficiency in flow cytometry, including sample preparation, data acquisition, and analysis; previous experience in a flow cytometry core facility or with spectral flow cytometry is an advantage * Experience with tissue digestion, cell isolation and cell culture * Proficient in laboratory management practices, including equipment maintenance and reagent organization * Strong teamwork ethic with a positive, proactive attitude and motivation to develop new skills * Highly organized and detail-oriented with excellent documentation skills, GLP experience is advantageous * Ability to communicate effectively in German and English, both written and oral We Offer Excellent framework conditions: state-of-the-art equipment and opportunities for international networking at the highest level 30 days of vacation per year Flexible working hours Remuneration according to TV-L incl. occupational pension plan and capital-forming payments Possibility of part-time work Family-friendly working environment Sustainable travel to work: subsidized Germany job ticket Unleash your full potential: targeted offers for your personal development to further develop your talents Our Corporate Health Management Program offers a holistic approach to your well-being