Senior Scientist, Chemical Process Development

About This Role

We are looking for a talented and highly motivated Senior Scientist to join our growing Chemical Process Development (CPD) group. The ideal candidate will have demonstrated hands-on experience in an industrial laboratory, project management experience including vendor management and person in plant experience. You will be a key member of a multidisciplinary team. The team supports the mission in the development of green, safe, and cost-effective batch and continuous chemical processes to produce active pharmaceutical ingredients (APIs) for clinical and commercial purposes.

What You'll Do

• Perform equipment setup, conduct experiments, perform data analysis, write reports and procedures.
• Participate in team discussions on setting experimental objectives and prepare experimental designs and plans.
• Design well thought out chemical experiments, perform them in the laboratory, analyze and interpret data generated to develop a scalable process.
• Mentor junior scientists and build external collaborations to design experiments and interpret data to develop scalable processes
• Learn, evaluate and identify new technologies relevant to CPD activities
• Support the transfer of process technology to external development and manufacturing organizations (CDMOs)
• Manage key equipment, instrumentation, and their regular maintenance and repairs
• 10% domestic and international travel may be required.

Who You Are

You are a passionate and experienced scientist with drug development experience. You enjoy working in a laboratory setting. You love learning new technological skills and working in a collaborative environment. Bring your unique talents and interests to Biogen and together we will foster scientific and process innovation.

Required Skills

• Ph.D. in Chemistry and 4+ years of industry experience. Preferred Skills and Experience in Chemistry; or
• MS degree (that includes completion of a research thesis) in Chemistry and 5+ years of industry experience; or
• Bachelor's degree in Chemistry and 7+ years of industry experience.
• Hands on experience in laboratory chemical synthesis and isolation/separation processes, familiar with analytical instrumentation for tracking reaction and process performance, familiarity with mechanistic modeling, on-line or in-situ Process Analytical Technology.
• Experience collecting and analyzing data rich experiments acquired from use of laboratory reactors equipped with data acquisition and control features.
• Strong background in chemical synthesis, and preferably, familiarity with plant unit operations and novel manufacturing technologies.
• Experience reviewing technical and cGMP-related documents including batch records, and process development reports
• Experience working with contract manufacturing facilities and managing technical transfers
• Proven scientific track record through publications and presentations at scientific conferences
• Experience as a technical development team member on cross-functional teams to progress assets from research and development phases into manufacturing phase
• Experience with peptide and/or oligo synthesis and/or purification is a plus

Job Level: Management

Additional Information

The base compensation range for this role is: $138,000.00-$184,500.00

Base salary offered is determined through an analytical approach utilizing a combination of factors including, but not limited to, relevant skills & experience, job location, and internal equity.

Regular employees are eligible to receive both short term and long-term incentives, including cash bonus and equity incentive opportunities, designed to reward recent achievements and recognize your future potential based on individual, business unit and company performance.

In addition to compensation, Biogen offers a full and highly competitive range of benefits designed to support our employees' and their families physical, financial, emotional, and social well-being; including, but not limited to:

• Medical, Dental, Vision, & Life insurances
• Fitness & Wellness programs including a fitness reimbursement
• Short- and Long-Term Disability insurance
• A minimum of 15 days of paid vacation and an additional end-of-year shutdown time off (Dec 26-Dec 31)
• Up to 12 company paid holidays + 3 paid days off for Personal Significance
• 80 hours of sick time per calendar year
• Paid Maternity and Parental Leave benefit
• 401(k) program participation with company matched contributions
• Employee stock purchase plan
• Tuition reimbursement of up to $10,000 per calendar year
• Employee Resource Groups participation

Why Biogen?

We are a global team with a commitment to excellence, and a pioneering spirit. As a mid-sized biotechnology company, we provide the stability and resources of a well-established business while fostering an environment where individual contributions make a significant impact. Our team encompasses some of the most talented and passionate achievers who have unparalleled opportunities for learning, growth, and expanding their skills. Above all, we work together to deliver life-changing medicines, with every role playing a vital part in our mission. Caring Deeply. Achieving Excellence. Changing Lives.

At Biogen, we are committed to building on our culture of inclusion and belonging that reflects the communities where we operate and the patients we serve. We know that diverse backgrounds, cultures, and perspectives make us a stronger and more innovative company, and we are focused on building teams where every employee feels empowered and inspired. Read on to learn more about Biogen.

All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, sexual orientation, marital status, race, color, national origin, ancestry, ethnicity, religion, age, veteran status, disability, genetic information or any other basis protected by federal, state or local law. Biogen is an E-Verify Employer in the United States.

Client-provided location(s): Cambridge, MA

Job ID: Biogen-REQ24436

Employment Type: FULL_TIME

Posted: 2026-10-27T00:54:14