Downstream Development Scientist I — Study Director

Lonza Group; Vacaville, Northern (CA, KY); Hybrid; USD 70,000 - 116,000; Full time

Benefits offered by this job

Performance-related bonus

Medical, dental and vision insurance

401(k) matching plan

Life insurance

short-term and long-term disability

Employee assistance programs

Paid Time Off

Job summary

Lonza Group is seeking a Development Services Scientist I for a fully site-based role in Vacaville, CA. You will perform downstream purification process activities under supervisory guidance, run laboratory studies, and execute analytical assays to support process development and tech transfer.

This entry-level scientist will draft study reports, participate in data interpretation, ensure cGMP compliance, and collaborate with cross-functional teams to deliver high-quality results and timelines.

Qualifications

• Bachelor of Science degree in Biological Sciences, Biomedical, Chemical Engineering required.
• 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.

Responsibilities

• 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.

Education

Bachelor of Science degree in Biological Sciences, Biomedical, Chemical Engineering

Job description

Lonza Group is seeking a Development Services Scientist I for a fully site-based role in Vacaville, CA. You will perform downstream purification process activities under supervisory guidance, run laboratory studies, and execute analytical assays to support process development and tech transfer.

This entry-level scientist will draft study reports, participate in data interpretation, ensure cGMP compliance, and collaborate with cross-functional teams to deliver high-quality results and timelines.