Jobs / United States / Sanofi US Services INC

Sanofi US Services INC

2027 Spring Co-op RNA Production

Waltham, MA Posted today

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Sponsorship verdict

Sponsorship possible

One solid signal, not two. Worth applying, and worth asking about sponsorship early.

  • Employer is on a government sponsor recordThe US Department of Labor certified 47 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first.
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area.
  • Confirmed live todayWhen a source last listed this job as open.
Details and sources
Employer is on a government sponsor record
The US Department of Labor certified 47 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. Source: LCA disclosure data (US Department of Labor (OFLC)).
No salary bar for this route
H-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.

US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).

A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.

About the role

Job Title: 2027 Spring Co-op RNA Production • Grade: Co-op • Location: Waltham, MA • Duration: 6 months About the Job Looking to launch your career at the cutting edge of healthcare? Join Sanofi for a chance to develop with mentoring and guidance from inspirational leaders while helping to make an impact on the lives of countless people worldwide. We are seeking a highly motivated  Spring Co-op  to join our  RNA Production team. Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you’ll be empowered to Early Careers learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams. About Sanofi We’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. Together, we chase the miracles of science to improve people’s lives. Main Responsibilities • Support mRNA production efforts for mRNA drug targets entailing batch production, characterization, optimization of mRNA processes. • Focus on synthesis and purification of a wide range of mRNA constructs in parallel for fast progression of programs. • Provide accurate and reproducible execution of analytical characterization for full release panel for mRNA drug substance. • Contribute to the optimization of mRNA sequence design, production, and purification. • Contribute to platform projects by evaluating and implementing new technologies and optimizing existing workflows. • Prepare technical reports, presentations, and recommendations to management and other stakeholders. • This will be primarily a lab-based position.   About You  Basic Qualifications: • Currently pursuing a master’s degree in life sciences, molecular biology, biochemistry, biomedical engineering or biotechnology with plans to graduate by Spring 2027 (or 2028) • Must be permanently authorized to work in the U.S. and not require sponsorship of an employment visa (e.g., H-1B or green card) at the time of application or in the future. Students currently on CPT, OPT, or STEM OPT usually require future sponsorship for long term employment and do not meet the Internal requirements for this program unless eligible for an alternative long-term status that does not require company sponsorship. • Must be enrolled in an accredited college or university throughout the duration of the co-op/internship.  • Must be able to relocate to the office location and work 40hrs/week, Monday to Friday for the full duration of the co-op/internship. Preferred Qualifications: • Desire to work in a team-first, fast-paced environment, learn new skills, and to efficiently solve problems. • Experience in nucleic acid synthesis/handling (RNase-Free)/application with hands-on experience in messenger RNA production/characterization. • Hands on experience in capillary and gel electrophoresis is an asset. • Hands on experience in analytical and molecular biology methods relevant to mRNA is an asset. • Attention to detail and meticulous record keeping. • Manages time effectively demonstrating ability to manage multiple projects at one time. Why Choose Us • Bring the miracles of science to life alongside a supportive, future focused team.​ • Stretch your skills through apprenticeships, internships, graduate programs, and international experiences that grow with you.​ • Learn from inspiring mentors and collaborative teams while contributing to real projects that shape the future of healthcare.​ • Build your future with access to the latest tools, digital innovation, and continuous learning that keep you ahead of t

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