Technical Assistant Reference number: 2026-0117 * Heidelberg, Mannheim * Full-time * Translational Gastrointestinal Oncology and Preclinical Models The German Cancer Research Center (DKFZ) is one of Europe’s largest cancer research centers. “Research for a life without cancer" is the mission of our world-class scientists and all our team members. We investigate how cancer develops, identify cancer risk factors and search 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. ----------------------------------- The Organoid Platform at the DKFZ Hector Cancer Institute in Mannheim focuses on the establishment and application of patient-derived cancer organoids. Central to its activities are establishment and biobanking of organoid models, as well as advaced high-throughput functional assays. To support this platform, the Junior Research Group „Translational Gastrointestinal Oncology and Preclinical Models” is seeking for the next possible date a highly motivated The position offers a unique opportunity to work at the interface of clinical oncology / gastroenterology and cutting-edge preclinical models, contributing directly to research with high relevance for patient care. Your Tasks * Establishment of patient-derived organoids from tumor and healthy tissue biopsies * Support of the development and optimization of organoid protocols and platform workflows * Processing, handling, and biobanking of patient samples (e.g., tumor tissue, blood) * Performing and supporting experimental procedures, including functional assays, DNA/RNA isolation, and other molecular biology techniques * Documentation and management of organoid-related data and metadata * Support of patient sample acquisition, including interaction with clinicians and study teams * Contribution to the overall organization and maintenance of the organoid platform Your Profile * Completed training as a biological technical assistant (BTA), medical assistant (MTA), laboratory technician (Biologielaborant:in), or equivalent qualification * Hands-on experience in cell culture is required; previous experience with organoids is an advantage * Basic knowledge of molecular biology techniques * Ability to work independently and in a structured manner, with high attention to detail * Strong team spirit, reliability, and a proactive working style * Flexibility to work across sites (primarily Mannheim, partially Heidelberg) * Good command of English and German 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