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Research Associate - Translational Toxicology (Cellular Assays) Eurofins In-person · Boston, MA, US 4 months ago Eurofins PSS is seeking a Research Associate, Translational Toxicology (Cellular ...

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How much do assays jobs pay per year?

As of Sep 4, 2026, the average yearly pay for assays in the United States is $70,647.00, according to ZipRecruiter salary data. Most workers in this role earn between $51,500.00 and $83,000.00 per year, depending on experience, location, and employer.

What is an assay?

Assays are laboratory procedures used to measure the presence, amount, or activity of a specific substance—such as a chemical, cell, or biomolecule—in a sample. They are essential in fields like biochemistry, pharmacology, and medical diagnostics to evaluate the efficacy of drugs, detect diseases, or analyze biological processes. There are many types of assays, including bioassays, immunoassays, and chemical assays, each tailored to different analytical needs. Researchers select the appropriate assay based on the target substance and the required sensitivity and specificity.

What are the key skills and qualifications needed to thrive as an assay specialist?

To thrive as an Assay Specialist, you need a solid background in biochemistry or molecular biology, laboratory techniques, and data analysis, usually supported by a relevant science degree. Familiarity with laboratory information management systems (LIMS), PCR machines, spectrophotometers, and quality control procedures is typically required. Strong attention to detail, problem-solving skills, and effective communication set top performers apart in this role. These competencies are crucial for ensuring accurate test results, maintaining data integrity, and supporting scientific research or diagnostic outcomes.

What are some common challenges faced by professionals working in assay development and how can they be addressed?

Professionals in assay development often encounter challenges such as optimizing assay sensitivity and specificity, troubleshooting inconsistent results, and adapting protocols for high-throughput environments. These challenges can be addressed by staying current with best practices, collaborating closely with cross-functional teams such as R&D and quality assurance, and rigorously validating each step of the assay process. Open communication, thorough documentation, and continuous training also play key roles in ensuring successful assay development and execution.

What is the difference between Assays vs Laboratory Technicians?

AspectAssaysLaboratory Technicians
Required CredentialsTypically requires a degree in biology, chemistry, or related field; certifications may be preferredUsually requires an associate degree or certification in laboratory procedures
Work EnvironmentConducts specific tests and assays in labs, often in research or quality control settingsPerforms routine lab tasks, prepares samples, and maintains lab equipment
Industry UsageCommonly used in biotech, pharmaceuticals, and research labs for testing and analysisWidely used across healthcare, clinical, and industrial laboratories

Assays focus on performing specific tests to analyze samples, often requiring specialized knowledge of testing protocols. Laboratory Technicians handle a broader range of lab tasks, including sample preparation and equipment maintenance. While both roles work in lab environments, assays are more specialized in testing procedures, whereas technicians support overall lab operations.

What do assays do?

Assays are laboratory procedures used to measure the presence, amount, or activity of a substance in a sample. Assay technicians or scientists perform these tests using specialized equipment and techniques to support research, quality control, or diagnostic processes. Accurate execution of assays often requires attention to detail and knowledge of relevant protocols.
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Assays jobs near you
Infographic showing various Assays job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 89% Full Time, 4% Part Time, 1% Temporary, and 5% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $70,647 per year, or $34 per hour.

Research Associate - Translational Toxicology (Cellular Assays) Research Associate - Translatio[...]

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Research Associate - Translational Toxicology (Cellular Assays) Eurofins In-person · Boston, MA, US 4 months ago Job Description

Eurofins PSS is seeking a Research Associate, Translational Toxicology (Cellular Assays) to support in vitro safety and de‑risking strategies for novel therapeutic candidates. This role is highly hands‑on and centers on the design, execution, and interpretation of cellular assays, with a strong emphasis on flow cytometry–based immunophenotyping and multiplexed ELISA platforms.

The Research Associate will be embedded on a client site and work cross‑functionally with toxicology, DMPK, chemistry, and discovery biology teams to support translational safety decision‑making throughout the drug discovery and early development process. The role is scheduled to start in July 2026.

Key Responsibilities

  • Design, execute, and interpret in vitro translational toxicology experiments, including:
    • Flow cytometry–based cellular immunophenotyping
    • Multiplexed and quantitative ELISA assays (e.g., MSD, Luminex)
  • Culture and maintain complex cellular models to support safety screening and proof‑of‑mechanism studies
  • Contribute to the development and optimization of cellular and immunoassay‑based safety assays
  • Collaborate closely with discovery toxicologists, medicinal chemists, and research scientists to help prioritize and de‑risk drug candidates
  • Perform routine data analysis, troubleshooting, and interpretation of experimental results
  • Maintain accurate and compliant documentation, including electronic databases and laboratory notebooks
  • Stay current on relevant scientific literature and emerging assay technologies
  • Present experimental findings at internal group and departmental meetings

Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and the environment safer, healthier and more sustainable. From the food you eat to the medicines you rely on, Eurofins works with the biggest companies in ...

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