Senior Engineer

Senior Engineer

Vacaville, CA — Onsite

Join our dynamic Engineering team at Lonza’s Vacaville biopharmaceutical manufacturing site, where you’ll drive impactful capital projects and help shape the future of large‑scale biologics production. This role offers the opportunity to apply deep bioprocessing expertise, lead complex technical initiatives, and directly influence the performance of a world‑class GMP facility.

What you will get:

The full-time base annual salary for this position is expected to range between $129,000-$219,000. 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

Compensation for this role will be determined by the candidate’s qualifications, skills, experience, and relevant knowledge.

What you will do:

• Provide engineering and technical expertise for a wide range of CapEx and OpEx projects supporting operations at the Vacaville GMP biomanufacturing site.

• Assist in facility design and integration of new equipment and technologies to support current and future biopharmaceutical manufacturing processes.

• Lead design teams, project teams, and contract engineering personnel through all project stages.

• Identify, analyze, and design improvements for facility, utility, process, and equipment systems, enhancing reliability and capability.

• Develop and maintain key engineering documentation, including PFDs, P&IDs, design drawings, specifications, and FAT/SAT/IQ protocols.

• Manage commissioning, FAT, SAT, installation qualification, debugging, performance qualification, and handover to operations.

• Provide subject‑matter expertise to investigations, CAPAs, audits, inspections, and other technical evaluations while supporting Global Engineering on major projects.

What we are looking for:

• Bachelor’s degree in engineering or related Science field required.

• Extensive experience in pharma/biotech manufacturing systems and equipment, with strong understanding of biologics drug substance unit operations.

• Demonstrated expertise in designing, improving, and troubleshooting biopharmaceutical GMP process equipment.

• Strong critical‑thinking, decision‑making, and problem‑solving skills; formal root‑cause analysis training preferred.

• Proven project management experience leading small to medium‑scale engineering projects.

• Excellent interpersonal, communication, and collaboration skills, with the ability to influence partners and stakeholders.

• Proficiency in engineering documentation, data analysis and visualization, GMP standards, and tools such as MS Office, SAP, and P&IDs.

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. If you’re ready to help turn our customers’ breakthrough ideas into viable therapies, we look forward to welcoming you on board.

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