Location: Vacaville, California

This is a fully site‑based role. Working together in person supports close, real‑time collaboration and the technical precision needed to manufacture medicines to the highest quality and safety standards.

Development Services Scientist I performs downstream purification process activities under supervisory guidance, including laboratory studies and analytical assay execution. Performs routine work following established procedures, receives direction on new assignments, and applies technical knowledge to complete tasks while seeking guidance when additional clarification or expertise is needed.

What you will get

The full-time base annual salary for this position is expected to range between $69,750 to $116,250.  In addition, below you will find a comprehensive summary of the benefits package we offer:

• Performance-related bonus
• Medical, dental and vision insurance
• 401(k) matching plan
• Life insurance, as well as short-term and long-term disability insurance
• Employee assistance programs
• Paid Time Off

What you will do:

• Execute routine downstream process development studies and laboratory experiments in accordance with SOPs, with guidance from senior scientists.
• Perform routine analytical testing and maintain proficiency in relevant downstream analytical assays.
• Serve as Study Director for simple studies, ensuring timely execution, documentation, and communication of results.
• Analyze experimental data, interpret results, and draw sound scientific conclusions to support process development decisions.
• Draft study protocols, reports, and technical presentations, and communicate findings at team and project meetings.
• Support technology transfer activities, satellite runs, buffer/stability studies, and other routine downstream process investigations.
• Maintain laboratory compliance through equipment maintenance, documentation review, safety audits, training completion, and adherence to cGMP and quality requirements.

What we look for:

• Bachelor of Science degree in the field of Biological Sciences, Biomedical, Chemical Engineering
• Learns quickly, adapts to change, and is open to new ways of working.
• Takes responsibility for mistakes and uses them as opportunities to improve.
• Works well with others, shares knowledge, and values different perspectives.
• Delivers high-quality results on time and stays focused on goals.
• Understands customer needs and takes action to provide good support and service.
• Shows ownership, accountability, and a strong commitment to safety and compliance.

About Lonza

At Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone’s ideas, big or small, have the potential to improve millions of lives, and that’s the kind of work we want you to be part of.

Innovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we offer equal employment opportunities to all qualified applicants regardless of race, religion, color, national origin, sex, sexual orientation, gender identity, age, disability, veteran status, or any other characteristic protected by law.

Ready to shape the future of life sciences? Apply now.