Cell-Based Bioassay Associate – Analytical Development

Moderna Therapeutics; Norwood, Northern (MA, KY); Hybrid; USD 63,000 - 101,000; Full time

Benefits offered by this job

Competitive healthcare

Well-being programs

Family planning benefits

Generous paid time off

Job summary

Moderna Therapeutics seeks a Research Associate at our Norwood, MA site to contribute to the development, refinement, and implementation of cell-based bioassays supporting release and stability testing for mRNA therapeutics and vaccines. You will partner with Quality, Process Development, and Research teams to generate rigorous data for clinical and commercial programs.

The role emphasizes hands-on cell culture, assay development, data analysis, and collaboration.

Qualifications

• BS degree in Biochemistry, Molecular Biology, Cell Biology, Immunology, Biological Engineering, or related field.
• 0–3+ years of relevant experience with mammalian cell culture and bioassays.
• Ability to learn new techniques, troubleshoot, and follow protocols accurately.

Responsibilities

• Execute cell-based bioassays to evaluate potency and biological activity of mRNA-based medicines
• Support assay development, optimization, troubleshooting, and qualification activities under guidance
• Perform routine cell culture and maintain cell lines
• Analyze and document experimental data with accuracy and attention to detail
• Assist in identifying sources of assay variability and support robustness efforts
• Follow established SOPs and regulatory expectations
• Contribute to authoring technical documents such as protocols and reports
• Collaborate with team members and cross-functional partners to support project timelines

Skills

Mammalian cell culture

Transient transfections

Bioassays

Data analysis

Documentation

Team collaboration

Education

BS degree in Biochemistry, Molecular Biology, Cell Biology, Immunology, Biological Engineering, or related field

Tools

GraphPad Prism

Job description

Moderna Therapeutics seeks a Research Associate at our Norwood, MA site to contribute to the development, refinement, and implementation of cell-based bioassays supporting release and stability testing for mRNA therapeutics and vaccines. You will partner with Quality, Process Development, and Research teams to generate rigorous data for clinical and commercial programs.

The role emphasizes hands-on cell culture, assay development, data analysis, and collaboration.