2027 Spring Co-op RNA Production

Sanofi; Waltham (MA); On-site; USD 48,000 - 65,000; Full time

Job summary

Sanofi in Waltham, MA is offering a 6-month Spring Co-op in RNA Production. The position supports mRNA production, characterization, and purification under mentorship in a fast-paced lab environment.

Ideal candidates are pursuing a master’s degree in life sciences or related field, plan to graduate by Spring 2027 or 2028, and are eligible to work in the U.S. You should be ready to work 40 hours per week in a lab, with relocation to the office as needed.

Qualifications

• Currently pursuing or recently completed Master’s degree in life sciences or related field.
• Plan to graduate by Spring 2027 or 2028.
• Must be enrolled in college/university during the co-op duration.
• Must be eligible to work in the U.S. without visa sponsorship.

Responsibilities

• Support mRNA production efforts including batch production and process optimization.
• Focus on synthesis and purification of diverse mRNA constructs in parallel.
• Perform analytical characterization for release panels of mRNA drug substance.
• Contribute to optimization of mRNA sequence design and purification.
• Support platform projects by evaluating new technologies and workflow improvements.
• Prepare technical reports and presentations for management and stakeholders.
• Primarily lab-based work in a production setting.

Skills

Team collaboration

Time management

Attention to detail

Lab safety

Education

Master’s degree in life sciences or related field

Tools

Capillary electrophoresis

Gel electrophoresis

RNase-free handling

mRNA production/characterization

Job description

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 the curve.

Compensation

The salary range for this position is $35.00 -$47.00 hourly. All compensation will be determined commensurate with demonstrated experience.

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