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In Vitro Assay Jobs (NOW HIRING)

Astrix Inc

In Vitro Scientist III

Ridgefield, CT · On-site

$49 - $54/hr

Design, develop, validate, and execute in vitro assays to study lymphocyte (B cell and T cell) function and modulation * Conduct experiments supporting target validation, compound profiling, and hit ...

Inotivco

In Vitro Manager

Boulder, CO

Design new study protocols and execute custom In Vitro assays to address specific customer needs. * Provides input to other scientists and teams in regards to new assay development and biomarker ...

Inotiv

In Vitro Manager

Boulder, CO · On-site

Design new study protocols and execute custom In Vitro assays to address specific customer needs. * Provides input to other scientists and teams in regards to new assay development and biomarker ...

CYNET SYSTEMS

Scientist III

Ridgefield, CT · On-site

$49/hr

This position involves conducting routine and non-routine cellular assays to support in vitro assay development. Requirement/Must Have: * Master's degree from an accredited institution with one-plus ...

Lancesoft

Scientist III

Ridgefield, CT · On-site

$47 - $49.95/hr

Main duties will be to conduct routine and non-routine cellular assays to support in vitro assay development. Attention to detail and ability to run assays consistently is crucial for role. Initiates ...

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In Vitro Assay information

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How much do in vitro assay jobs pay per hour?

As of Jun 17, 2026, the average hourly pay for in vitro assay in the United States is $45.04, according to ZipRecruiter salary data. Most workers in this role earn between $37.98 and $50.48 per hour, depending on experience, location, and employer.

What does an assay development scientist do?

An assay development scientist designs, optimizes, and validates laboratory tests to measure biological or chemical substances. They work with techniques such as ELISA, PCR, or cell-based assays, often using specialized equipment and following regulatory standards. Their goal is to create reliable assays for research, diagnostics, or drug development.

What is the difference between In Vitro Assay vs Laboratory Technician?

AspectIn Vitro AssayLaboratory Technician
Required CredentialsBachelor's degree in biology, biochemistry, or related field; laboratory skillsAssociate's or bachelor's degree; basic lab skills
Work EnvironmentResearch labs, pharmaceutical companies, biotech firmsHospitals, research labs, diagnostic labs
Job FocusConducting specific in vitro experiments to test biological activitySupporting lab operations, preparing samples, maintaining equipment

In Vitro Assay specialists focus on designing and performing specific laboratory tests to analyze biological interactions, often requiring advanced knowledge of assay techniques. Laboratory Technicians support overall lab functions, handling sample preparation and equipment maintenance. While both roles work in laboratory settings and require similar educational backgrounds, In Vitro Assay professionals typically engage in more specialized testing and experimental design.

What is an In Vitro Assay?

An in vitro assay is a laboratory technique used to study biological or chemical processes outside of a living organism, typically in a controlled environment such as test tubes or petri dishes. These assays allow researchers to analyze the effects of drugs, chemicals, or biological agents on cells, tissues, or biomolecules. In vitro assays are widely used in drug discovery, toxicology, and biomedical research because they offer a faster, more controlled, and ethical alternative to in vivo (within the living organism) experiments. The results help scientists understand mechanisms of action, efficacy, and safety before proceeding to animal or clinical studies.

What jobs use PCR?

In vitro assay jobs often require the use of PCR (Polymerase Chain Reaction) to amplify DNA for research, diagnostics, or quality control purposes. These roles typically involve laboratory work, molecular biology techniques, and familiarity with PCR equipment and protocols.

What are the key skills and qualifications needed to thrive as an In Vitro Assay Scientist, and why are they important?

To thrive as an In Vitro Assay Scientist, you need a strong background in biology, chemistry, or a related field, typically with a bachelor's or advanced degree and laboratory experience. Familiarity with laboratory instrumentation, cell culture techniques, and data analysis software like GraphPad Prism or LIMS are essential, along with knowledge of GLP or GMP standards. Attention to detail, problem-solving, and strong communication skills help you accurately conduct experiments and collaborate with research teams. These competencies are crucial for generating reliable data, ensuring compliance, and driving successful research outcomes.

What is the highest paying job in a laboratory?

In a laboratory setting, senior roles such as Laboratory Director or Principal Investigator typically have the highest salaries, often exceeding six figures annually. These positions require extensive experience, advanced degrees, and leadership skills, and may involve overseeing multiple projects and teams.

What are some common challenges faced by professionals working in In Vitro Assay roles, and how can they be addressed?

Professionals working in In Vitro Assay roles often encounter challenges such as ensuring assay reproducibility, troubleshooting unexpected experimental results, and managing tight deadlines in a fast-paced laboratory environment. Attention to detail and strong documentation skills are essential for maintaining data integrity. Collaborating closely with cross-functional teams, such as analytical chemists and research scientists, helps streamline troubleshooting and optimize protocols. Regular training and staying updated with new assay technologies can also help overcome technical hurdles and foster continuous improvement.

What do in-vitro assays mean?

In vitro assays are laboratory tests performed outside of a living organism, typically in controlled environments like test tubes or petri dishes. They are used in research and development to evaluate biological activity, such as drug efficacy or toxicity, often requiring knowledge of cell culture techniques and laboratory safety protocols.
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In Vitro Assay jobs near you
Infographic showing various In Vitro Assay job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 74% Full Time, 20% Part Time, and 5% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $93,688 per year, or $45 per hour.
In Vitro Scientist III

In Vitro Scientist III

Astrix Inc

Ridgefield, CT • On-site

$49 - $54/hr

Full-time

Posted 10 days ago

Job description

Pay Rate Low: 49 | Pay Rate High: 54
Our client is a global, research-driven pharmaceutical manufacturer focusing on treatment options for diseases and conditions for which there is no satisfactory treatment option to date. The company is looking for In Vitro Scientist III to join the team. This is an amazing opportunity to work on cutting edge treatments and make a difference!
Pay rate: $49/hr. - $54/hr.
Job type: 2-year contract
Location: Fairfield County, CT
Job Summary
The Immunology & Respiratory Discovery Sciences team is seeking a highly motivated In Vitro Scientist to support the identification and development of transformational therapies for immune-mediated diseases. The successful candidate will collaborate within a global, matrixed team to design, develop, and execute in vitro assays focused on lymphocyte biology, contributing to target validation and drug discovery efforts.
Key Responsibilities
  • Design, develop, validate, and execute in vitro assays to study lymphocyte (B cell and T cell) function and modulation
  • Conduct experiments supporting target validation, compound profiling, and hit identification/validation
  • Collaborate closely with project leaders and in vitro leads to deliver high-quality experimental data
  • Troubleshoot assay performance and optimize protocols for robustness and reproducibility
  • Maintain accurate and detailed experimental records, including electronic lab notebooks
  • Analyze and interpret data using appropriate biological and statistical tools
  • Present findings at project team and departmental meetings
  • Share knowledge, protocols, and technical expertise within the team

Qualifications
  • Master's degree in Biology, Immunology, Cell Biology, or related field with 4+ years of relevant experience, OR
  • Bachelor's degree in a STEM discipline with 7+ years of relevant experience
  • Experience developing and validating in vitro assays, particularly for immune cell function
  • Hands-on experience working with B cells and T cells
  • Proficiency in immune phenotyping and functional assays, including:
    • Multicolor flow cytometry (10+ colors)
    • Intracellular cytokine staining (ICS)
    • ELISpot assays
    • Cell proliferation assays
    • Cytokine detection (ELISA, MSD)
  • Experience analyzing data using tools such as Prism, FlowJo, OMIQ, and Excel
  • Strong organizational skills and attention to detail in documentation

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