Scientist, Clinical Biomarker Laboratory, Immuno-Assays - Cell Based

The Role:

Joining Moderna means advancing mRNA science to transform medicine. Work with exceptional global teams on a broad pipeline and build a career that makes a real difference for patients.

At Harwell, you will play a critical role in advancing Moderna’s clinical development programs by leading the development, qualification, validation, and execution of complex cell-based immunoassays that generate high-quality data to support clinical trials across multiple therapeutic areas.

Working at the intersection of immunology, assay science, and clinical development, you will serve as a scientific point of contact within the Immuno-assays group, driving assay excellence while collaborating across multidisciplinary teams and external partners. This is an opportunity to apply deep technical expertise while helping shape innovative approaches, technologies, and data generation strategies that support Moderna’s growing pipeline and future platform capabilities, including increasing exposure to advanced digital and AI-enabled scientific workflows.

Here's What You'll Do:

• Serve as a scientific point of contact for cell-based immunoassay development activities supporting clinical programs across multiple therapeutic areas.

• Be responsible for the quality and integrity of assigned projects supporting Moderna clinical trials.

• Design, develop, optimize, and execute cell-based immunoassays to support clinical development objectives.

• Lead assay qualification and validation activities to ensure assays meet scientific, regulatory, and operational requirements.

• Perform clinical sample testing and analysis, generating robust, reproducible, and high-quality datasets.

• Conduct testing and data analysis in compliance with applicable GCP and GLP requirements.

• Deliver high-quality data within established timelines and in alignment with current industry expectations and standards.

• Perform data acquisition and analysis on clinical specimens and communicate findings effectively to stakeholders.

• Author technical reports, validation reports, study documentation, and supporting scientific materials.

• Identify, investigate, and resolve quality-related issues, escalating concerns to management when appropriate.

• Serve as a Subject Matter Expert (SME) on multifunctional project teams as needed.

• Represent the Immunoassay Team at project meetings, presenting assay results, data interpretation, development progress, timelines, and recommendations.

• Collaborate with internal colleagues and external partners to evaluate emerging technologies, novel methodologies, and innovative solutions that address complex scientific challenges.

• Maintain broad knowledge of industry best practices in cell culture, immunoassay development, assay validation, and clinical sample analysis.

• Stay informed on new technologies, platforms, critical reagents, and scientific advancements relevant to immunoassay development and execution.

• Support continuous improvement initiatives that enhance assay performance, laboratory efficiency, data quality, and scientific rigor.

• Coach and train junior laboratory staff on assay execution, technical procedures, best practices, and compliance requirements.

• Provide constructive input regarding the strengths, development opportunities, and performance of assigned junior associates.

• Contribute to periodic performance review discussions for junior team members.

• Foster a collaborative and inclusive laboratory environment that supports knowledge sharing and scientific excellence.

• Ensure ongoing compliance with safety, quality, regulatory, and laboratory guidelines at all times.

• Maintain accurate and up-to-date training records and documentation.

• Support operational needs that may occasionally require overtime work or weekend coverage.

• Travel as required to attend training programs, technical conferences, scientific meetings, and industry exhibitions.

• Report directly to the Associate Director, Immuno-assay UK.

The key Moderna Mindsets you’ll need to succeed in the role:

• We obsess over learning. We don’t have to be the smartest, we have to learn the fastest.

• We behave like owners. The solutions we’re building go beyond any job description.

Here’s What You’ll Need (Basic Qualifications)

• Ph.D. > 2 yrs or BSC/MSc with >6 years' experience in immunology, or related field conducting assay validation in clinical Immunology under GLP/GCLP environment.

• A background in infectious diseases, virology, bacteriology or oncology and experience with handling laboratory pathogens as containment level 3 is an advantage.

• Experience and deep understanding of cell culture and cell-based assays, particularly viral neutralization assays or bacteriology assays.

• Strong level of understanding and expertise in design and executing efficacy testing in the context of clinical trial

• The ability to work in a cross-functional work environment is critical; strong leadership skills and independence skills are expected.

• Excellent written, presentation and interpersonal communication skills; ability to influence and collaborate in a team environment and with external stakeholders.

• Candidate will be curious in exploring new technology, bold in proposing creative experimental designs and ideas. Will work collaboratively with multifunctional teams and will be relentless in pursuing successful outcomes

• Possess strong computational skills, preferably experienced with Word, Excel, Power Point, GraphPad Prism

• Knowledge of system software for data analysis and statistical analysis.

• Experience of working in a regulated environment with GLP, GCP, ISO standards is required.

Pay & Benefits

At Moderna, we believe that when you feel your best, you can do your best work.  That’s why our global benefits and well-being resources are designed to support you—at work, at home, and everywhere in between.

• Best-in-class 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.

About Moderna

Since our founding in 2010, we have aspired to build the leading mRNA technology platform, the infrastructure to reimagine how medicines are created and delivered, and a world-class team. We believe in giving our people a platform to change medicine and an opportunity to change the world.  

By living our mission, values, and mindsets every day, our people are the driving force behind our scientific progress and our culture. Together, we are creating a culture of belonging and building an organization that cares deeply for our patients, our employees, the environment, and our communities. 

We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. 

As we build our company, we have always believed an in-person culture is critical to our success. Moderna champions the significant benefits of in-office collaboration by embracing a 70/30 work model. This 70% in-office structure helps to foster a culture rich in innovation, teamwork, and direct mentorship. Join us in shaping a world where every interaction is an opportunity to learn, contribute, and make a meaningful impact. 

If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit modernatx.com/careers to learn more about our current opportunities. 

Moderna is a smoke-free, alcohol-free, and drug-free work environment. 

Moderna is a place where everyone can grow. If you meet the Basic Qualifications for the role and you would be excited to contribute to our mission every day, please apply! 

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. 

We’re focused on attracting, retaining, developing, and advancing our employees. By cultivating a workplace that values diverse experiences, backgrounds, and ideas, we create an environment where every employee can contribute their best. 

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 and/or to perform the essential functions of the position for which the applicant has applied should contact the Accommodations and Adjustments team at leavesandaccommodations@modernatx.com. 

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