Sanofi · 6 hours ago
Senior Scientist
Framingham, MA
Full-time
Onsite
Mid, Senior Level
$100K/yr - $145K/yr
4+ years expSanofi is an R&D-driven, AI-powered biopharma company committed to improving people's lives. They are seeking a highly motivated Senior Scientist to join their Cell Line Development team, responsible for generating mammalian cell lines for R&D biologics pipeline and implementing new technologies for continuous improvement.
Health CareLife SciencePharmaceuticalTherapeutics
Responsibilities
Technical oversight and delivery of end-to-end cell line development work packages (as CLD Lead & Operator) to meet deliverables for preclinical and clinical development projects, including reports and presentations to stakeholders
Perform cell culture techniques for both pool and clone generation of expressive populations
Actively engage and contribute to optimize cell line generation process towards using an automation-enabled high-throughput cell line platform
Represent the CLD function on project teams and within Global CMC, making decisions for cell line activities and effectively communicating results, progress and plans. Active engagement and collaboration with global DS teams as the CLD representative
Drive innovation strategies for generating cell lines, to ensure "right first time" delivery of commercial-ready cell lines
Active engagement with Research functions ensuring smooth transition of projects and data
Compliance with all applicable regulations, ensure that work performed is conducted in a safe and compliant manner, ensure maintenance of proper records in accordance with SOPs and policies
Prepare and review documentation for regulatory submissions
Qualification
Required
PhD (plus 1-2 yr experience) in Biology, Cell Biology, Molecular Biology, Bioengineering, or related discipline, or Master's degree in relevant discipline with Minimum >4yr of relevant experience
Hands-on experience in mammalian cell line development in a pharmaceutical or biotechnology setting
Strong technical background and attention to detail
Self-motivated with excellent communication, organization and time-management skills
Demonstrated ability to work independently and in a highly collaborative environment and adhere to timelines
Compliance with all applicable regulations, ensure that work performed is conducted in a safe and compliant manner, ensure maintenance of proper records in accordance with SOPs and policies
Prepare and review documentation for regulatory submissions
Preferred
Experience using automation platforms is highly desirable (Beckman, Tecan, Hamilton, Beacon, VIPS, etc.)
Suspension mammalian cell culture experience (CHO cell culture) in a pharmaceutical or biotechnology setting
Experience in mammalian gene expression systems, gene editing and/or 'omics technologies, gene expression optimization
Experience and working knowledge in high-throughput screening tools (bioreactors, analytics) for cell line selection
Flexibility and a willingness to expand skill set and responsibilities, and excel in a past-paced highly cooperative team environment, ability to multitask, adaptability and positive attitude
Experience with genetic characterization methods such as ddPCR, qPCR, gel electrophoresis, and DNA sequencing analysis
Experience with molecular cloning techniques including Gibson assembly, Golden Gate cloning, restriction cloning, and PCR-based methods
Demonstrated expertise in DNA construct design, vector engineering, and plasmid preparation
Benefits
High-quality healthcare
Prevention and wellness programs
At least 14 weeks' gender-neutral parental leave
Company
Sanofi
Sanofi is a global biopharma company focused on prescription drugs, vaccines, and treatments for chronic, rare, and infectious diseases.
10001+ employees
H1B Sponsorship
Sanofi has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (101)
2024 (68)
2023 (59)
2022 (78)
2021 (38)
2020 (38)
Funding
Current Stage
Public CompanyTotal Funding
$6.97BKey Investors
Blackstone Life SciencesEvotec
2025-10-28Post Ipo Debt· $3B
2025-06-17Post Ipo Debt· $1.74B
2025-03-05Post Ipo Debt· $1.59B
Leadership Team
Paul Hudson
Chief Executive Officer
Francois-Xavier Roger
Chief Financial Officer
Recent News
2026-01-25
BioWorld Financial Watch
2026-01-25
2026-01-24
Company data provided by crunchbase