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How much do in vivo research associate jobs pay per hour?

As of Jul 25, 2026, the average hourly pay for in vivo research associate in the United States is $32.54, according to ZipRecruiter salary data. Most workers in this role earn between $26.20 and $37.02 per hour, depending on experience, location, and employer.

What are In Vivo Research Associates?

In Vivo Research Associates are laboratory professionals who conduct scientific experiments and studies on live animals to understand biological processes, test new drugs, or evaluate the safety and efficacy of medical treatments. They work closely with scientists, veterinarians, and other research staff to ensure studies are conducted ethically and in compliance with regulatory standards. Their responsibilities often include animal handling, administering treatments, collecting biological samples, and recording data. The role is important in preclinical research, especially within the pharmaceutical and biotechnology industries.

What are some common challenges faced by In Vivo Research Associates, and how can they be addressed?

In Vivo Research Associates often encounter challenges such as managing complex animal studies, ensuring compliance with regulatory standards, and handling unexpected experimental variables. Balancing multiple projects and maintaining meticulous records can also be demanding. To address these challenges, strong organizational skills, effective communication with team members, and ongoing training in animal care protocols are essential. Collaborating closely with scientists and veterinarians helps ensure studies run smoothly and data integrity is maintained.

What are the key skills and qualifications needed to thrive as an In Vivo Research Associate, and why are they important?

To thrive as an In Vivo Research Associate, you need a strong background in biology or related sciences, animal handling experience, and often a bachelor's degree in a life science field. Familiarity with laboratory animal protocols, data collection systems, and certifications such as AALAS are typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for success in this role. These skills ensure ethical treatment of animals, reliable experimental results, and efficient collaboration within research teams.
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In Vivo Research Associate jobs near you
Infographic showing various In Vivo Research Associate job openings in the United States as of July 2026, with employment types broken down into 81% Full Time, 4% Temporary, and 15% Contract. Highlights an 96% In-person, and 4% Remote job distribution, with an average salary of $67,685 per year, or $32.5 per hour.

Independent Contractor - In Vivo Research Associates

GT Bio

Cambridge, MA • Remote

Contractor

Posted 22 days ago

Job description

GT Biosciences is seeking a detail-oriented Contract In Vivo Research Associate / Scientist to support studies in mouse models. Key responsibilities include performing intravenous (IV; tail vein), intraperitoneal (IP), subcutaneous Injection (SC/Subq) dosing procedures; animal handling and monitoring; blood and tissue collection; organ harvesting; and tissue processing (slicing) for downstream analyses. The ideal candidate will have demonstrated expertise in rodent in vivo techniques and experience preparing and sectioning tissues for histological, molecular, or cellular characterization.

This is a contract, onsite position based in the Cambridge, MA area and will involve work at local vivarium and CRO facilities, including Charles River Laboratories.

Time commitment: Approximately 5–10 hours per week, with scheduling dependent on study timelines and animal facility availability. Work may be clustered around dosing days, study endpoints, and tissue collection windows.

Responsibilities

  • Independently perform rodent dosing procedures, including intravenous (tail vein), intraperitoneal, subcutaneous, and other routes of administration in accordance with study protocols.

  • Support the execution of preclinical studies in mouse and rat models while ensuring compliance with approved IACUC protocols and institutional animal care guidelines.

  • Perform animal handling, restraint, clinical observations, body weight measurements, and general study support activities.

  • Perform transcardial perfusions and tissue fixation procedures to support histology, immunohistochemistry, and other downstream tissue-based assays.

  • Conduct blood collection procedures using appropriate techniques, including terminal and non-terminal sampling methods.

  • Harvest and collect tissues at designated study endpoints, including brain, spleen, liver, lung, kidney, bone marrow, lymph nodes, tumors, and other organs as required.

  • Process tissues for downstream analyses, including weighing, dissection, sectioning, dissociation, fixation, cryopreservation, embedding, and histological preparation.

  • Prepare tissue samples for flow cytometry, molecular biology, histopathology, immunohistochemistry, and other analytical assays.

  • Maintain accurate and organized experimental records, study documentation, and data entry in accordance with company standards and regulatory requirements.

  • Coordinate closely with scientists and external animal research facilities to ensure timely and successful study execution.

  • Communicate study progress, technical observations, and potential issues proactively to project teams.

QualificationsRequired

  • BS or MS degree in Biology, Animal Science, Biomedical Sciences, Pharmacology, Immunology, or a related scientific discipline.

  • Demonstrated proficiency performing mouse intravenous (tail vein) injections independently and reproducibly.

  • Hands-on experience with intraperitoneal, subcutaneous, and other rodent dosing techniques.

  • Experience with rodent handling, restraint, monitoring, and general in vivo study procedures.

  • Experience performing tissue and organ collection, necropsy, and tissue processing.

  • Strong organizational skills, attention to detail, and commitment to high-quality experimental execution.

  • Experience performing transcardial perfusions and tissue fixation procedures for tissue preservation and downstream histological or molecular analyses.

  • Ability to independently plan and execute assigned study activities with minimal supervision.

  • Excellent communication and interpersonal skills, with the ability to work effectively across internal and external teams.

  • Ability to travel locally to animal research facilities in the Greater Boston/Cambridge area as needed.

Preferred

  • Two or more years of industry, CRO, academic, or biotechnology experience supporting in vivo pharmacology, translational research, or drug development programs.

  • Experience with blood collection techniques, including submandibular, saphenous, tail vein, and terminal cardiac puncture.

  • Experience preparing tissues for flow cytometry, histology, immunohistochemistry, molecular biology, or related downstream analyses.

  • Familiarity with oncology, immunology, cell therapy, gene therapy, biologics, or other advanced therapeutic modalities.

  • Experience working at external animal research facilities, including Charles River Laboratories or similar institutions.

  • Experience with rat studies and additional dosing or surgical procedures.

  • Experience with tissue sectioning, cryosectioning, microtomy, or histological sample preparation.

  • Experience performing brain dissections and isolating discrete neuroanatomical regions (e.g., cortex, hippocampus, cerebellum, striatum, brainstem, and olfactory bulb) for downstream molecular, cellular, or histological analyses.

  • Familiarity with tissue processing workflows, including preparation of fresh, frozen, and fixed brain specimens.