Quality Control Associate, Bioassay

Role Overview

Joining Moderna means advancing mRNA science to transform medicine. As part of our international centre for analytical excellence in Madrid, you will work on a broad pipeline and build a career that makes a real difference for patients. In this laboratory‑based individual contributor role, you will perform cGMP QC testing supporting In Vitro Relative Protein Expression (IVRPE), release and stability testing, while contributing to method qualification, continuous improvement and operational excellence.

• Perform cGMP Quality Control Bioassay testing with a focus on In Vitro Relative Protein Expression (IVRPE), supporting release and stability programs.
• Support Method Qualification and Acquisition activities as required.
• Perform routine analytical bioassay testing supporting Cell Biology, including ELISA methodologies.
• Execute analytical testing accurately and in accordance with approved procedures and regulatory requirements.
• Perform general laboratory support activities including reagent preparation, sample management, equipment maintenance, laboratory housekeeping, and ensuring laboratory readiness.
• Perform LIMS (Lab Vantage) sample result entry and execute electronic assay forms within LIMS.
• Support stability programs through timely testing and documentation.
• Perform data entry and contribute to data trending activities.
• Manage and maintain QC laboratory supplies and inventory.
• Assist with troubleshooting analytical methods and laboratory equipment where required.
• Support investigations related to out‑of‑specification (OOS) results and other non‑conforming events.
• Participate in quality systems activities including investigations, deviations, change controls, and CAPAs.
• Write, revise and maintain standard operating procedures (SOPs), protocols, technical reports and other controlled documentation.
• Complete and maintain accurate cGMP documentation for all work performed.
• Execute work precisely in accordance with SOPs, work instructions and other internal guiding documents.
• Follow good documentation practices and data integrity requirements to ensure records are accurate, complete and inspection‑ready.
• Ensure compliance with all applicable GxP regulations, internal policies and regulatory expectations.
• Establish and maintain a safe laboratory working environment while promoting a culture of quality, compliance and continuous improvement.

• Technical qualification (FP, ciclo superior) or degree in Cell Biology, Molecular Biology, Biochemistry or another relevant scientific discipline with at least two years’ experience.
• Minimum two years’ experience in a quality control laboratory of a pharmaceutical company is preferred.
• Hands‑on experience with cell‑based assays and biological systems, cell culture, transfection, ELISA or other immunoassays.
• Working knowledge of relevant and current FDA, EU and ICH guidelines and regulations preferred.
• Ability to collaborate effectively in a dynamic, cross‑functional matrix environment.
• Ability to efficiently prioritize and complete multiple projects and tasks in a fast‑paced environment.
• Working proficiency in English, minimum B2 level required.

• Competitive healthcare, plus voluntary benefit programs to support your unique needs.
• A holistic approach to well‑being with access to fitness, mindfulness and mental health support.
• Family building benefits, including fertility, adoption and surrogacy support.
• Generous paid time off, including vacation, bank holidays, volunteer days, sabbatical, global recharge days and a discretionary year‑end shutdown.
• Savings and investments to help you plan for the future.
• Location‑specific perks and extras.
• The benefits offered may vary depending on the nature of your employment with Moderna and the country where you work.

Moderna is committed to equal opportunity in employment and non‑discrimination for all employees and qualified applicants without regard to a person's race, color, sex, gender identity or expression, age, religion, national origin, ancestry or citizenship, ethnicity, disability, military or protected veteran status, genetic information, sexual orientation, marital or familial status or any other personal characteristic protected under applicable law. We consider qualified applicants regardless of criminal histories, consistent with legal requirements.

Moderna is committed to offering reasonable accommodation or adjustments to qualified job applicants with disabilities. Any applicant requiring an accommodation or adjustment in connection with the hiring process or to perform the essential functions of the position should contact the Accommodations and Adjustments team at leavesan