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Cell Based Potency Assay Jobs (NOW HIRING)

... cell-based potency assay, ELISA, western, qPCR, RT-qPCR, and DNA/RNA/protein extraction from cells and animal (including NHP) tissues Experience with organoid Strong organizational skills and ...

Scientist, Analytical Development

Norwood, MA · On-site

$109.20K - $174.60K/yr

Design, develop, and execute cell-based potency assays that assess the functional activity of Moderna's mRNA-based therapeutics and vaccines * Develop and apply mass spectrometry-based approaches (e ...

Key ResponsibilitiesFocus on assay development and optimization, including but not limited to potency (cell-based), flow cytometry, and bioanalytical (e.g., ELISA) assays.Develop and qualify ...

Develop and qualify precise ELISA, CRBA and cell-based potency methods for analysis of large ... Perform characterization sample testing, statistical data analysis and summarize assay results ...

Sr. Scientist I - Bioassay

Wilmington, NC · On-site

$83.50K - $114.10K/yr

The Senior Scientist I, Bioassay will demonstrate strong knowledge in cell-based potency assays, ELISA, real-time PCR, enzymatic activity assays, binding kinetic assays and other biochemical testing ...

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Cell Based Potency Assay information

What are the key skills and qualifications needed to thrive as a Cell Based Potency Assay Scientist, and why are they important?

To excel as a Cell Based Potency Assay Scientist, you need a solid background in cellular biology, assay development, and quantitative analysis, usually supported by a degree in life sciences or a related field. Familiarity with laboratory instruments like flow cytometers, plate readers, and proficiency in data analysis software such as GraphPad Prism are typically required, along with knowledge of GMP/GLP standards. Attention to detail, strong problem-solving abilities, and effective communication skills are essential soft skills in this role. These competencies ensure accurate assay results, regulatory compliance, and clear collaboration with cross-functional teams in biopharmaceutical development.

What are some common challenges faced when developing and validating cell-based potency assays in a laboratory setting?

Developing and validating cell-based potency assays can be challenging due to the inherent biological variability of living cells, which can impact assay reproducibility and consistency. Additionally, optimizing assay conditions—such as cell passage number, incubation times, and reagent quality—requires careful attention to detail. Collaboration across multidisciplinary teams, including scientists, quality control, and regulatory affairs, is often necessary to ensure the assay meets rigorous industry and compliance standards. Successful candidates should be comfortable troubleshooting technical issues and adapting protocols to achieve reliable results.

What are cell based potency assays?

Cell based potency assays are laboratory tests that use living cells to measure the biological activity of a drug, vaccine, or biologic product. These assays help determine how effective a compound is in producing a desired cellular response, making them crucial for drug development and quality control. By closely mimicking the drug’s mechanism of action in the body, they provide more relevant information about efficacy and safety compared to non-cellular assays.

What is the difference between Cell Based Potency Assay vs Cell Culture Technician?

AspectCell Based Potency AssayCell Culture Technician
Primary ResponsibilitiesAssessing the biological activity of products using cell-based methodsMaintaining and preparing cell cultures for various experiments
Required SkillsKnowledge of assay development, data analysis, cell biology techniquesCell culture techniques, aseptic handling, media preparation
Work EnvironmentLaboratories focused on assay validation and quality controlCell culture labs, manufacturing, or research facilities
Common CertificationsBiotech or laboratory certifications, cell biology trainingCell culture training, laboratory safety certifications

While both roles involve working with cells, the Cell Based Potency Assay specialist focuses on developing and performing assays to measure product activity, whereas the Cell Culture Technician primarily prepares and maintains cell cultures. The assay role requires analytical skills and assay-specific knowledge, while the technician role emphasizes cell handling and maintenance skills.

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Infographic showing various Cell Based Potency Assay job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Scientist/Senior Scientist - Cell Bioassay/Potency

Scientist/Senior Scientist - Cell Bioassay/Potency

Frontage Laboratories

Exton, PA • On-site

$88.30K - $120.60K/yr

Full-time

Medical, Dental, Life, Retirement

Posted 28 days ago


Job description

Scientist/Senior Scientist - Cell Bioassay/Potency

Title: Scientist/Sr. Scientist, Cell Bioassay/Potency

Location: Exton, PA

Reports to: Sr Director BGC Therapy Operations

Full-time

Frontage Laboratories Inc. is an award winning, full-service, CRO/Contract Research Organization operating over 25 state-of-the-art laboratories across the US, Canada and China. Our core competencies include drug metabolism, pharmacokinetics/ pharmacodynamics (PK/PD), safety and toxicology, bioanalytical services, chemistry and manufacturing controls for drug development, and core laboratory services for clinical trials.


Position/Job Summary:

The Scientist/ Sr. Scientist will be a leading member in the Analytical Technologies group responsible for bioassay development, validation, transfer, and execution at Gritstone Bio. The bioassays include cell-based potency assay, ELISA, PCR-based assays, and virus infectivity assays, etc., that are used to support product characterization, release, stability study in GMP setting as well as other research projects for process, formulation, and manufacturing development. This position will contribute to the strategy of selecting and implementing bioassays to ensure our products are comprehensively characterized and under superb quality control. With dedication to troubleshooting and optimizing assays on bench, this position may lead a small group to achieve department goals. Excellent training and background in biological sciences, such as cell biology, molecular biology, biochemistry, immunology, virology, etc., is required.


Roles & Responsibilities:

  • Develop and apply molecular biological methods, immunoassays, and other state of the art analytical technologies to analyze and characterize cell and gene products, biotherapeutic proteins, their conjugates, and variants.
  • Independently select, develop, validate, and transfer biological assays including cell-based potency assays, ELIZA, qPCR-based assays, virus infectivity assays, etc.
  • Perform method development, validation, tech transfer, product characterization, impurity profiling, routine, and stability testing across varieties of biological products.
  • Prepare project proposals, protocols, reports, Certificate of Analysis, investigation reports, and generate cGMP documents.
  • Prepare and review notebooks in compliance with Frontage CMC SOPs.
  • Maintain qualification and compliance of instruments and conduct technical and instrumental troubleshooting.
  • Manage projects from initiation to completion and ensure the projects are on time and meeting pre-established quality standards.
  • Author method SOPs, development reports, qualification/validation reports to support method transfer to GMP QC
  • Perform analytical tests to support method development, DS/DP characterization, PD studies, lot release and stability testing of drug substance and drug products.
  • Development and optimization of analytical methods, in accordance with client requirements and associated protocol and procedures

Education, Experience & Skills Required:

Educational/Training Requirement:

  • PhD, MS or BS in Biological Science, Biochemical Engineering, or related discipline.


Experience:

  • PhD in Biological Science, Biochemical Engineering, or related discipline with 0-2 years’ relevant industrial GMP testing or analytical development experience for biologics or cell and gene therapy products, or
  • MS with 2-4 years’ GMP testing or analytical development experience for biologics or cell and gene therapy products, or
  • BS with 3-5 years’ GMP testing or analytical development experience for biologics or cell and gene therapy products.
  • Excellent organization and planning skills.
  • Experience in virus-vector based biotechnology or virology in general is preferred but not required.
  • Excellent communication skills, with the ability to work with individuals in wide ranging teams at all levels and the ability to lead and influence.

Salary and Benefits:

Frontage Laboratories offers a competitive compensation and benefits package including health and dental insurance, a 401(k) plan, disability insurance, and life insurance.

Frontage Laboratories Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, sexual orientation, gender identity, age, status as a protected veteran, among other things, or status as a qualified individual with disability.