Research Assistant for Mass Spectrometry, Target Discovery, ADC – Orion, Turku
25.4.2026Apply latest by 6.5.2026
Job description
We are seeking a highly motivated and skilled Research Assistant with mass spectrometry experience to join the Antibody-Drug Conjugates (ADC) Team. This is a hands-on laboratory role ideal for someone who enjoys experimental work and thrives in a collaborative research environment. You will be part of a dynamic, international team working in modern facilities equipped with state-of-the-art instrumentation.
Orion Pharma is making strategic investments in challenging R&D areas where our expertise can drive breakthroughs-particularly in cancer therapies. As part of this commitment, we are enhancing our oncology research capabilities in proteomics and target discovery.
This is fixed-term on-site position for two years. The candidate would ideally start working in August 2026.
Key Responsibilities
- Support research activities by performing sample preparation for proteomics analysis, in vitro cell-based assays, biochemical assays, and molecular biology techniques including flow cytometry (FACS), immunofluorescence staining and cell imaging, Western blotting (WB), quantitative PCR (qPCR), and antibody labelling.
- Support discovery and verification of novel proteoforms.
- Independently maintain and conduct experiments using mammalian cell cultures.
- Assess the potency of antibody-drug conjugates and free payloads.
- Evaluate antibody binding, surface protein density, and internalization in vitro.
- Accurately document experimental procedures and results using electronic lab notebooks.
- Ensure high standards of laboratory housekeeping and contribute to routine maintenance of lab and cell culture facilities.
The role is based in Turku, Finland, and will report to the ADC Target Discovery Lead.
What We Offer
- A chance to work with a passionate and experienced team of scientists and research assistants contributing to Orion’s oncology pipeline.
- A stimulating and supportive work environment with opportunities for professional growth and career development.
- A workplace culture built on mutual respect, continuous learning, and shared values.
At Orion Pharma, your work creates true impact and well-being for our customers, patients and society at large. Our culture of friendliness, respect, mutual appreciation, and diversity creates a safe working environment where you can strive for excellence. We offer a wealth of career paths and development opportunities that support the development of innovative solutions and improving the quality of life.
Please visit our website to find further information about our values and Orion as an employer https://www.orion.fi/en/careers/orion-as-an-employer/ .
Our expectations
- Familiarity with proteomics workflows (DDA, DIA)
- Hands-on experience with LC-MS/MS
- Experience working with patient-derived material
- Experience with functional assays
- Exposure to: Cell-surface or membrane protein enrichment, glycoproteomics and/or phosphoproteomics
- Hands-on experience in laboratory techniques related to cellular and biochemical assays, and standard molecular biology methods (e.g., FACS, WB, qPCR, IF).
- Strong expertise in mammalian cell culture and related functional assays.
- A relevant degree in health sciences or biotechnology, such as from the University of Applied Sciences.
- Proficiency in basic computational tools and experience with electronic lab notebooks.
- Excellent communication skills in English, both written and verbal.
- Strong organizational and interpersonal skills, with the ability to work effectively in a team-oriented environment.
- Prior industry experience is an asset but not required.
How to apply and additional information
Please send your application with the latest CV, cover letter, and salary request in English by 6 May 2026. Please note that we will start reviewing applications during the application period.
For additional details, do not hesitate to contact Antti Arjonen, ADC Target Discovery Lead antti.arjonen@orionpharma.com
#LI-ORION
Approved medical examination which also includes drug testing is required prior to the employment. We will also carry out a security clearance prior to the employment for the selected person.
Unit description
Orion Pharma’s pharmaceutical innovations are created within its R&D organization. We employ around 400 top professionals in the field of drug discovery and development. We work globally: in Espoo and Turku in Finland, in Cambridge and Nottingham in England and in Cambridge, MA, USA. Orion R&D and the Innovative Medicines business division are dedicated to making a transformation to become a global player in the pain and oncology therapy areas.
Target Discovery Team is part of the Antibody-Drug Conjugates (ADC) Research Group, one of three scientific units within Oncology Research, a division of Orion’s R&D Organization. Our team is dedicated to the discovery and validation of therapeutic ADC targets, leveraging omics technologies alongside a broad array of biophysical, biochemical, molecular, cellular, and in vivo methods. We strive to develop cutting-edge ADC therapies with the potential to transform the lives of cancer patients.