{"id":3671250,"url":"https://alion.io/job/sanofi-mrna-analytical-development-senior-scientist","title":"mRNA Analytical Development Senior Scientist","company":{"id":146,"name":"Sanofi","domain":"sanofi.com","url":"https://alion.io/company/sanofi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":89,"open_postings":115,"ghost_share":0.017,"stale_share":0.322,"repost_share":0.096,"time_to_fill_p50_days":22,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Biotech","role_family":"Biotech","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Waltham, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100500,"max":145166,"currency":"USD","period":"year","gross":null,"usd_annual":145166},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GMP","optional":false},{"name":"Mass Spectrometry","optional":false}],"status":"live","first_seen_at":"2026-11-03T09:10:00Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-11T20:25:59Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"Job title: mRNA Analytical Development Senior Scientist\nLocation: Waltham, MA\nAbout the job\nIn order to strengthen the Biochemical and Biophysical group in R&D Analytical Sciences Department, Sanofi Pasteur is looking for a skilled and highly motivated individual to develop novel methods and improve characterization of mRNA vaccines in development by working closely with the bioprocess development group.\nAnalytical Sciences Department has the overall responsibility to develop, qualify and validate robust analytical methods to support release and characterization testing of mRNA Drug Substances and Drug Products candidates in development.\nJoin the team protecting half a billion lives every year with next-gen science, mRNA innovation, and AI-driven breakthroughs. In Vaccines, you’ll help advance prevention on a global scale - and shape the future of immunization.\nAbout Sanofi:\nWe’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system - and innovative pipeline - enables us to invent medicines and vaccines that treat and protect millions of people around the world and are supported and enhanced through our diverse portfolio of medical device and diagnostic products. Together, we chase the miracles of science to improve people’s lives.\nMain Responsibilities:\nDevelop advanced technology for biochemical, biophysical, and bioassay assay development in support of mRNA vaccine process and product development, product release, stability, and comparability study.\nWork with analytical leads supporting CMC activities. \nWrite and review method documentation and characterization reports in support of regulatory filings.\nEnsure timely completion of assignments and deliverables. Independently design and execute complex experiments. Author method development and investigation reports.\nManage assay testing at CROs if required, support investigation, deviation, and change control.\nParticipate internal non-GMP and GMP lab set up and product release and stability testing.\nSupervise and train junior scientists.\nCompliant to Sanofi Quality standards and HSE policy. Participate in continuous improvement of laboratory safety and quality compliance.\nAbout you\nBasic Qualifications\nPhD or Master's Degree in Biochemistry, Biology, Cell Biology, Analytical Chemistry, Biotechnology or related sciences.\nPh.D. with a minimum of 3 years of experience in the pharmaceutical or biotechnology industry, or a Master's degree with a minimum of 6 years of experience in the pharmaceutical or biotechnology industry.\nPrevious CMC analytical development experience.\nExpertise in LC (RP, IEX, SEC, HILIC) and one or more of the following techniques but not limited to CGE, spectroscopy, particle analysis.\nAbility to perform complex method development and propose appropriate method improvement suitable for CMC space.\nPreferred\nKnowledge of nucleic acid/oligonucleotides chemistry and standard analytical methods of these molecules.\nLC-MS experience.\nHands on experience in quality control laboratory environment is a plus.\nWhy choose us?\nBring the miracles of science to life alongside a supportive, future-focused team.\nDiscover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.\nEnjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.\nTake 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.\nBe 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.\nHelp improve the lives of millions of people globally by making drug development quicker and more effective.\nWork at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science.\nSanofi US Services and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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.\n#GD-SP \n#LI-SP\n#LI-Hybrid\n#vhd\nPursue progress, discover extraordinary\nBetter 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.\nSanofi US endeavours to make our career center accessible to any and all users. If you are experiencing difficulty and need assistance applying online, please call 1-866-SANOFI2 (1-866-726-6342) or click here\nUS and Puerto Rico Residents Only\nSanofi Inc. and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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.\nNorth America Applicants Only\nThe salary range for this position is:\n$100.500,00 - $145.166,66All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.","description_format":"text","description_chars":6357,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":["Parental leave","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"},{"name":"Puerto Rico","iso":"PR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Prescription Drugs","Vaccines","Rare Disease Therapeutics","Immunology & Inflammation Therapeutics"],"lifecycle":[{"event":"open","at":"2026-11-03T09:10:00Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 62 · green card filings: 19","filings_12m":62,"filings_prev_12m":85,"green_card_filings_12m":19,"median_offered_wage_usd":127500,"route":null,"cap_exempt":false,"checked_at":"2026-11-11T07:38:50+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":81,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":0.9,"age_days":7,"expected_fill_days":22,"reasons":["conf:3","velocity","win:mid","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":{"stated_usd_annual":145166,"is_top_pay":false},"html_url":"https://alion.io/job/sanofi-mrna-analytical-development-senior-scientist","json_url":"https://alion.io/job/sanofi-mrna-analytical-development-senior-scientist.json","meta":{"generated_at":"2026-11-11T22:05:36Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":43651,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":146},"rest":"https://alion.io/mcp/rest/get_company?id=146"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsanofi-mrna-analytical-development-senior-scientist"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsanofi-mrna-analytical-development-senior-scientist"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsanofi-mrna-analytical-development-senior-scientist"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/sanofi-mrna-analytical-development-senior-scientist\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsanofi-mrna-analytical-development-senior-scientist"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3671250}},{"tool":"search_jobs","arguments":{"company":"sanofi.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3671250},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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