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Senior Scientist

Synthorx

Synthorx

Swiftwater, PA, USA
USD 100,500-145,166 / year
Posted on Dec 2, 2025

Job Title: Senior Scientist

Location: Swiftwater, PA

About the Job

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?

Main responsibilities

The Senior Scientist for the LBA Platform will design, develop, qualify, validate, and implement ligand-binding immunoassays that support clinical endpoints across the Sanofi vaccine portfolio. The role demands expertise in methods and technologies that include ELISA, RIA, Luminex, Ortho VITROS, ECL and automated platforms. The candidate will also be expected to provide mentorship and effectively supervise and train lab personnel to perform assigned tasks while ensuring applicable compliance and regulatory agency standards are met. The candidate will serve as key resource as expert technical representation within its organization and on multidisciplinary teams. This is a laboratory-based role and the candidate is expected to spent high percent time in the laboratory.

About You

Qualifications require:

  • Bachelor's degree (B.Sc.) in Biological Sciences or related field
    + Minimum 6 years of relevant professional experience

    OR

    • Master's degree (M.Sc.) in Biological Sciences or related field from an accredited university
    + Minimum 3 years of relevant professional experience

    OR

    • Doctoral degree (Ph.D.) in Biological Sciences or related field from an accredited university
    + Minimum 1 year of relevant professional experience

Additional qualifications:

  • Demonstrated previous experience with developing and/or applying ligand binding immunoassays to detect and quantify analytes in biological or other complex samples, as evidenced by scientific publications and presentations at scientific meetings.

  • Ability to work with viruses, bacteria and potentially infectious samples from humans (BSL-2 or BSL-2+).

  • Lead, mentor and train lab staff.

  • Strong ability to deliver complex objectives under aggressive timelines in a rapidly changing environment.

  • Excellent technical, critical thinking and communication (oral and written) skills with ability to manage projects and resolve technical problems independently and also work effectively within cross-functional teams Experience working in GXP compliant environment.


Functional/Technical Skills:

  • Understanding of GXP practices and procedures required.

Why choose us?

  • Bring the miracles of science to life alongside a supportive, future-focused team.

  • Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.

  • Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.

  • Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave.

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

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Pursue progress, discover extraordinary

Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people.

At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.

Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!

US and Puerto Rico Residents Only

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally inclusive and diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; natural or protective hairstyles; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

North America Applicants Only

The salary range for this position is:

$100.500,00 - $145.166,66

All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs. Additional benefits information can be found through the LINK.