principal Software Engineer tech_leadership Bachelor's · Posted May 5, 2026
$120,800 – $224,300
USD per year

About this role

Genentech is hiring a principal-level Software Engineer based in South San Francisco, CA. Listed education preference: a bachelor's degree or equivalent. Compensation is listed at $120,800–$224,300 per year.

Role
Software Engineer
Function
software engineering
Level
principal
Track
Tech leadership
Employment
Full-time
Location
South San Francisco, CA
Education
Bachelor's degree
Department
Manufacturing & Engineering
Posted
May 5, 2026
AI Summary
Principal Engineer leads biopharmaceutical drug product process development from lab to commercial scale, including formulation, filling, drying, and packaging technologies. Collaborates with scientists and manufacturing teams on process validation, scale-up, and troubleshooting for parenteral drug products.

Job description

from Genentech careers

The Position

A healthier future. It’s what drives us to innovate. To continuously advance science and ensure everyone has access to the healthcare they need today and for generations to come. Creating a world where we all have more time with the people we love. That’s what makes us Roche!

As part of Pharma Technical Development (PTD) our organization is committed to deliver the Pharma ambitions by bringing game-changing therapies from clinical phase I into the market to serve every patient, every day. Our core business is to develop safe, innovative and effective drugs using cutting edge technologies for manufacturing process (Drug Substance and Drug Product), clinical supply, formulation, device, packaging, and analytical development.

As an integrated partner within the drug development ecosystem, Global Biologics Pharmaceutical Development is dedicated to effectively developing innovative and patient-centered parenteral drug products including Formulation and Process Development and Drug Delivery Systems.

The Opportunity

The Technical Development Principal Engineer ensures robust clinical and commercial parenteral drug product process designs for effective process validation and successful commercialization. This includes hands-on work at laboratory, pilot plant, and commercial scale of biopharmaceutical processing facility for process development, scale up, technology transfer and troubleshooting. Examples of pharmaceutical processing are DP liquid filling and finishing, prefilled syringe, drying technologies, bulk freezing and thawing, sterile filtration, mixing, primary container packaging development, etc. In this role, you are expected to work with formulation scientists, device engineers, and manufacturing staff to conduct drug product process development, perform technology transfers to internal and external CMO sites, as well as identify and define the critical steps and resources required to effectively resolve physical/biochemical and mechanical issues encountered in those pharmaceutical operations.

The Technical Development Principal Engineer works within the Global Drug Product Process Engineering group to support the globally harmonized strategy deployment and ensure right-first-time clinical and launch technology transfers. The Technical Development Principal Engineer contributes to assessment of new technologies, activities related to patent applications and manuscripts for external publication, and presentations at conferences or meetings.

Your key responsibilities:

  • Develop and support Drug Product pharmaceutical processes and technology including freeze/ thaw, mixing, filtration, filling, lyophilization, sterilization, etc. 

  • Design appropriate small scale models to understand mechanisms and derisk at-scale processes.

  • Interact and collaborate with other functions including PTD, Quality, Regulatory, Commercial, and Manufacturing organizations in cross-functional projects.  

  • Author, review, and approve internal technical, development, validation, and manufacturing documents, including protocols, regulatory filings, SOPs etc.  

  • Lead development and qualification studies, technology transfers, and new technology investigations. 

  • Interact with project teams and leadership to communicate results and drive projects.

Who You Are
  • B.S., M.S., or Ph.D. in chemical engineering, pharmaceutical sciences, chemistry, bioengineering or a related engineering discipline.  

  • Relevant biopharmaceutical industry experience preferred, 2+ years with Ph.D, 5-6+ years with M.S., 8+ years with B.S.

  • Expertise in process development for large molecule parenteral Drug Product pharmaceuticals with demonstrated experience implementing processes in a clinical or commercial manufacturing facility.

  • Expert-level ability to translate expertise in chemical engineering, chemistry and biology into a first principles understanding of DP processes and the underlying chemistry. (ex. Able to develop and experimentally verify a model)

  • Excellent analytical and problem solving abilities, hands-on experience with protein processing, lab techniques, and instrumentation.

  • Excellent written and verbal communication skills and the ability to interact and influence in a multi- disciplinary group setting. 

  • Knowledge of GMP documentation principles.  

  • Knowledge of relevant standards, guidance for industry, and regulatory statutes.  

  • Ability to manage several multi-faceted, cross-functional projects.

Relocation benefits are available for this job posting.

The expected salary range for this position based on the primary location of South San Francisco, CA is $120,800 - 224,300.  Actual pay will be determined based on experience, qualifications, geographic location, and other job-related factors permitted by law.  A discretionary annual bonus may be available based on individual and Company performance.  This position also qualifies for the benefits detailed at the link provided below.

Benefits

Genentech is an equal opportunity employer. It is our policy and practice to employ, promote, and otherwise treat any and all employees and applicants on the basis of merit, qualifications, and competence. The company's policy prohibits unlawful discrimination, including but not limited to, discrimination on the basis of Protected Veteran status, individuals with disabilities status, and consistent with all federal, state, or local laws.

If you have a disability and need an accommodation in relation to the online application process, please contact us by completing this form Accommodations for Applicants.

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