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Ex Vivo Jobs (NOW HIRING)

Mentor junior scientists providing scientific and technical leadership in the design and execution of in vivo and ex vivo efficacy assessments * Ensure consistency and quality of technical reports

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Ex Vivo information

What are the key skills and qualifications needed to thrive as an ex vivo scientist, and why are they important?

To thrive as an Ex Vivo Scientist, you need a strong background in biology or biomedical sciences, experience with tissue handling, and a relevant degree such as a BSc, MSc, or PhD. Familiarity with laboratory equipment, flow cytometry, cell culture systems, and data analysis software is typically required. Attention to detail, problem-solving, and effective teamwork are essential soft skills for this role. These competencies ensure accurate experimental results, efficient workflow, and meaningful contributions to research and development projects.

What are some common challenges faced by professionals working in ex vivo research roles, and how can they be addressed?

Professionals in ex vivo research often encounter challenges such as maintaining tissue viability outside the organism, ensuring precise experimental conditions, and managing strict timelines for data collection. Collaboration with cross-functional teams, such as pathologists and laboratory technicians, is crucial for troubleshooting technical issues and optimizing protocols. Staying up to date with best practices and technological advancements can also help address these challenges and improve experimental outcomes.

What does an ex vivo specialist do?

An Ex Vivo specialist works with biological samples, such as tissues or organs, outside of a living organism to study their functions, responses to treatments, or test new medical techniques. These professionals often support research in areas like drug development, transplantation, or disease modeling. Their responsibilities may include preparing samples, conducting experiments, analyzing data, and maintaining laboratory equipment. Ex Vivo specialists play a key role in advancing scientific knowledge and developing new therapies.
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Infographic showing various Ex Vivo job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 11% Part Time, 1% Temporary, 4% Contract, and 1% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Senior Research Associate, In Vivo Biology

Flagship Pioneering, Inc.

Cambridge, MA

Other

Medical, Retirement

Posted 5 days ago


Job description

Position Summary:

Prologue Medicines are seeking a highly motivated and detail-oriented Senior RA to join our dynamic In Vivo Biology team, leading projects in discovery and pre-clinical development for therapeutic proteins of viral origin. The successful candidate will play a key role in designing, executing, and analyzing in vivo studies to evaluate therapeutic proteins with the aim of nominating development candidates, and supporting preclinical development and translational science of these molecules through to IND and beyond.

As a member of our team, you will be responsible for designing and executing experiments to understand the activity, mechanism of action, and therapeutic potential of early-stage biologics in vivo. This role offers the opportunity to work in a dynamic, fast-paced, entrepreneurial environment, working independently as well as collaboratively within a highly integrated team. This is an on-site role in Somerville, MA.

 

Key Responsibilities:

  • Planning, execution, and analysis of in vivo experiments to evaluate the therapeutic potential of our test articles including pharmacokinetic/pharmacodynamic, biodistribution, and efficacy studies.
  • Conducting ex vivo wet lab experiments to analyze PD phenotypes and MoA in different tissues.
  • Ability to work independently and as part of a collaborative team to design, plan and execute experiments, and manage outcomes to support research activities, project goals, and platform development.
  • Creative and strategic contributions to the discussions, designs, and implementation of in vivo and ex vivo
  • Managing relationships with external research facilities.
  • Reporting results to the scientific team and management.
  • Critical data analysis, attention to detail, and troubleshooting abilities.
  • Maintaining an organized and up-to-date electronic lab notebook.
  • Writing, updating, and maintain high-quality experimental protocols.

 

Basic Requirements:

  • Bachelor's or MS degree with 3+ years of relevant experience with in vivo and ex vivo lab experiments in accademia or industry.
  • Extensive experience with mouse handling: injections (IV, IM, IP), blood collection, and tissue harvesting is essential.
  • Performing and recording animal health observations, communicating adverse findings to the veterinarian technicians to ensure animal care standards are in keeping with applicable laws and regulatory guidelines.
  • Writes and maintains animal protocols.
  • Experienced with various ELN and LIMS systems.
  • Excellent communication and presentation skills, capable of conveying technical information in a clear and thorough manner, document results in laboratory notebooks.
  • Demonstrated ability to work in a highly collaborative team environment.
  • Motivated and excited about biological discovery and assay development.
  • A dynamic problem solver and self-starter

 

Preferred Requirements:

  • Hands on experience in a variety of ex vivo/in vitro analysis techniques such as ELISA, MSD, Luminex, ELISpot, and flow cytometry from a wide range of different tissue types.
  • A proven track record of developing and optimizing disease efficacy models in mice.

Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

At Flagship, we recognize there is no perfect candidate. If you have some of the experience listed above but not all, please apply anyway. Experience comes in many forms, skills are transferable, and passion goes a long way. We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, "FSP") do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering's internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

Privacy Notice for Applicants: When you apply for a role at Flagship Pioneering or one of its portfolio companies, we collect and use personal information you provide (such as your name, contact details, work history, and application materials) to evaluate your application, communicate with you, and comply with legal obligations. Your application data is processed through Greenhouse, our applicant tracking system, and may also be reviewed using AI-assisted screening tools. We do not sell your personal information. California residents have rights under the CCPA/CPRA including to know, delete, and opt out of the sharing of their personal information. If you are located in the EU or UK, we process your data under GDPR and you have rights to access, rectify, and erase your data. To exercise your rights or for questions, contact privacy@flagshippioneering.com. 

The salary range for this role is $81,000 - $107,250. Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience. Prologue Medicines, Inc. currently offers healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Prologue Medicines, Inc.'s good faith estimate as of the date of publication and may be modified in the future.