Sanofi

Senior Principal Scientist

Sanofi$148K — $214K *
Pharmaceuticals & Biotech
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Ph.D. in molecular biology, cellular biology, hematology, immunology, or related field plus 7+ years in biopharma research.
  • Expertise in hematopoietic stem cell and mast cell research, especially systemic mastocytosis.
  • Experience in both early and late-stage research.

Responsibilities

  • Serve as the leading expert on mast cell disorders and related conditions, guiding scientific strategy.
  • Direct target identification and preclinical strategy development for rare disease therapeutics.
  • Lead new preclinical programs to enhance the rare disease pipeline and treatment options.
  • Identify synergies across portfolios to maximize therapeutic potential and resources.
  • Monitor the competitive landscape and foster strategic academic collaborations.
  • Collaborate with Clinical and Business Development for comprehensive portfolio management.
  • Contribute to strategic planning, executive communications, and regulatory submissions.

Benefits

  • Collaborative and supportive work environment focused on the future.
  • Opportunities for career growth and development, including international moves.
  • Comprehensive rewards package that values individual contributions.
  • Extensive health and wellness benefits including high-quality healthcare and at least 14 weeks' parental leave.
  • Engagement in patient-centered drug development reflecting real-world needs.
  • Opportunity to improve global health outcomes through innovative drug development.
  • Involvement in cutting-edge science involving AI and digital platforms.
Full Job Description
Job title: Senior Principal Scientist
  • Location: Cambridge, MA


About the Job

We are seeking a highly motivated Senior Principal Scientist to spearhead the execution and expansion of our mast cell disorders Research & Development pipeline. A successful candidate will have deep expertise in hematopoietic stem cell biology with a particular focus on mast cell disorders and related immune disorders in the context of rare diseases. This individual will work cross-functionally to identify and shepherd early-stage programs into the research pipeline, through internal and external innovation, and ensure the successful progression of development stage programs through the clinic to registration by providing deep research subject matter expertise. In parallel, the candidate will build relationships with key opinion leaders in the field and work to source disease relevant cell lines, models, and patient samples and work with research and translational sciences to expedite internal research and accelerate later-stage research programs.

Main Responsibilities:

  • Serve as subject matter expert for mast cell disorders and related rare immune and hematologic conditions, providing scientific leadership and strategic guidance.
  • Drive early discovery initiatives by directing target identification, mechanistic biology research, and preclinical strategy development for first-in-class and best-in-class rare disease therapeutics.
  • Initiate and lead new preclinical programs to strategically expand the rare disease pipeline and advance innovative treatment options.
  • Identify and leverage cross-portfolio synergies with rare blood disorders and hematopoietic stem cell programs to maximize therapeutic opportunities and optimize resource allocation.
  • Monitor competitive landscape and establish strategic partnerships through targeted academic collaborations and business development initiatives.
  • Partner cross-functionally with Clinical and Business Development teams to develop indication expansion and lifecycle management strategies, supporting comprehensive portfolio development from discovery through commercialization.
  • Contribute to organizational excellence through strategic planning, executive communications, scientific publications, and regulatory submissions that advance company objectives.


About You

Basic Qualifications:
  • Earned Ph.D. in molecular biology, cellular biology, hematology, immunology, or related discipline PLUS at least 7 years research experience in biopharmaceutical setting.
  • Experience in hematopoietic stem cell and mast cell research, including systemic mastocytosis.
  • Experience in early and late-stage research.


Preferred Qualifications:
  • Track record of scientific publications and external visibility (e.g., scientific publications, conference presentations)
  • Experience in translational research and drug development.
  • The candidate is expected to have a strong network of research and clinician colleagues to leverage for collaboration and insight.
  • Strong understanding of emerging science, leading therapeutic approaches and competitive landscapes for HSC and mast cell disorders, particularly in the rare disease space.
  • Familiarity and/or experience with broad range of cell-based and animal models of HSC and mast cell disorders and relevant readouts.
  • Familiarity with wide range of therapeutic modalities including biologics, small molecules, and/or genomic medicines.
  • Familiarity with computational biology and broad range of 'omics
  • Experience managing studies at CROs.
  • Experience drafting regulatory documents to support IND or CTA applications with agencies like the FDA and EMA.


Skills and competencies:
  • Ability to weigh and integrate inputs and opinions from broad range of stakeholders with diverse backgrounds.
  • Ability to capture and distill complex data, concepts, and information into clear, well-articulated messages to guide and drive decision-making.
  • Ability to multi-task and adapt to rapidly changing priorities and deadlines.
  • Excellent critical thinking, analytical, and problem-solving skills.
  • Excellent written and oral communication skills, with the ability to communicate effectively in a multidisciplinary teams as well as to senior leadership.
  • Strong interpersonal skills, with the ability to build excellent working relationships.


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.
  • Be part of a pioneering biopharma company that engages patients early in drug development and uses their insights to design studies that reflect real-world needs.
  • Help improve the lives of millions of people globally by making drug development quicker and more effective.
  • Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science.


The salary range for this position is:
$148.500,00 - $214.500,00

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.

About Sanofi

Sanofi is a global pharmaceutical company that specializes in the research, development, and manufacturing of prescription drugs and vaccines. The company operates in over 170 countries and has a diverse portfolio of products that includes treatments for diabetes, cancer, cardiovascular disease, and rare diseases. Sanofi is committed to improving global health and has a strong focus on innovation and sustainability. The company has received numerous awards for its research and development efforts and is recognized as a leader in the pharmaceutical industry.
Learn more about Sanofi
Market Cap
$121.6 billion
Industry
Net Income
$12.3 billion
Founded
1990
5 Year Trend
+2.5%
Revenue
$37.3 billion
NASDAQ

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