Senior Scientist - Antibody Bioprocess Development at Airtree Ventures | AU | Rezi

Senior Scientist - Antibody Bioprocess Development at Airtree Ventures

Senior Scientist - Antibody Bioprocess Development

Airtree Ventures · AU

2 weeks ago

Senior Scientist - Antibody Bioprocess Development

Airtree Ventures · AU

18 days ago
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About the Role

This role is for a senior industry scientist responsible for delivering antibody programs for customers, with a focus on CHO cell-line development and upstream process development. The position involves owning the scientific delivery of customer programs, defining development plans, designing experiments, interpreting data, and communicating results.

Responsibilities

  • Owning the scientific delivery of customer antibody programs from cell-line strategy through media and feed development, bioreactor confirmation and a clear scale-up package.
  • Designing and driving CHO cell-line development: host and vector choices, transfection, pool generation, clone selection, screening, stability assessment and cell-banking strategy.
  • Developing and optimising basal media and feeds using disciplined, decision-oriented experiments grounded in cell metabolism and process biology.
  • Translating customer goals, target product profiles and timelines into development plans with clear milestones, risks, decision gates and data packages.
  • Designing DoEs and run plans across high-throughput screens, 300 mL bioreactors and 3 L confirmation runs; setting parameters, sampling plans and analytical requirements.
  • Diagnosing the causes of weak growth, viability, productivity or product quality - separating cell-line, media, feed and process effects and choosing the next experiment quickly.
  • Working closely with analytics and downstream teams so upstream decisions reflect titre, product quality, impurity burden and the needs of the complete manufacturing process.
  • Communicating directly and credibly with customers: explaining results, trade-offs, uncertainty and the recommended path forward in clear scientific and commercial language.
  • Delegating routine execution to operations technicians while staying close enough to the work to protect scientific quality and stepping in hands-on when the biology demands it.
  • Turning lessons from individual programs into reusable platform rules, operating windows and better development workflows.

Requirements

  • At least five years of relevant industry experience required in addition to the PhD.
  • Delivered mammalian cell-culture or antibody-development programs in a biotechnology or biopharmaceutical setting; academic experience alone is not sufficient.
  • A track record of personally taking antibody-producing CHO cell lines from transfection or pool generation through clone selection, stability assessment, productivity optimisation and banking.
  • Substantial experience developing or optimising cell culture processes.
  • A record of designing rigorous experiments and making sound decisions from incomplete data across multiple concurrent development programs.
  • Experience owning program outcomes and communicating directly with internal or external customers, not only completing an assigned scientific work package.
  • Strong written and verbal communication skills.
  • High pace, high ownership and low ego; comfortable being accountable for delivery in a small team and remaining hands-on when needed.

Skills

  • CHO cell-line development
  • Upstream process development
  • Antibody program delivery
  • Cell metabolism
  • Process biology
  • Experimental design
  • Bioreactor operation
  • Data interpretation
  • Customer communication
  • Biologics analytics literacy (titre, metabolites, glycosylation, charge variants, aggregation, HCP and DNA)
  • Scale-up
  • Technology transfer
  • CMC
  • GMP
  • Regulatory-development

Location

  • Alexandria, Sydney, Australia

Work Type

  • Full-time

Experience Level

  • Senior

Education Level

  • PhD in cell biology, molecular biology, biochemistry, biotechnology, bioprocess engineering or a closely related field

About the Company

  • Airtree is advertising this role on behalf of one of our portfolio companies, who are currently in stealth mode.
  • We exist to drastically increase access to advanced medicines.
  • Small team, fast cycles, flat.
  • Our seed round is closed, so we’re building now.