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Vir Biotechnology

Scientist I, Analytical Development Bioassays

Sorry, this job was removed at 11:17 a.m. (PST) on Thursday, Sep 17, 2026
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Hybrid
San Francisco, CA, USA
117K-147K Annually
Senior level
Hybrid
San Francisco, CA, USA
117K-147K Annually
Senior level

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Develops, optimizes, transfers, and qualifies cell-based and binding bioassays for antibody and biologic therapeutics. Performs characterization testing, prepares standards and critical reagents, troubleshoots assay issues, analyzes data, and supports process, formulation, comparability, and structure-function studies. Authors protocols, reports, and test methods for regulatory filings while serving as a bioassay subject matter expert across Tech Ops and CMC.
The summary above was generated by AI

Vir Biotechnology, Inc. is a clinical-stage biopharmaceutical company focused on powering the immune system to transform lives by discovering and developing medicines for serious infectious diseases and cancer. Its clinical-stage portfolio includes programs for chronic hepatitis delta and multiple PRO-XTEN® dual-masked T-cell engagers across validated targets in solid tumor indications. Vir Biotechnology also has a preclinical portfolio of programs across a range of infectious diseases and oncologic malignancies. 

Vir Biotechnology has exclusive rights to the universal PRO-XTEN® masking platform for oncology and infectious disease. PRO-XTEN® is a trademark of Amunix Pharmaceuticals, Inc., a Sanofi company.

We believe the success of our colleagues drives the success of our mission. We are committed to creating a company where everyone feels supported and encouraged to give their best.

THE OPPORTUNITY

Vir Biotechnology is looking for a Scientist, Analytical Development. You will report to the Director, Analytical Development Bioassays and support the development of bioassays to interrogate the mechanism of action for antibody and other biologic therapeutics, including the TCE platform. You will execute cell-based activity and binding assays for characterization testing in support of Critical reagent characterization, process and formulation development, comparability and structure-activity relationship studies. You will design and conduct laboratory experiments, author protocols/reports.

This role is located in our San Francisco headquarters with an expectation of at least 5 days per week in office.

WHAT YOU'LL DO
  • Develop, optimize and qualify cell-based and binding bioassays
  • Bring in new assay modalities and technology to the group as needed
  • Prepare assay standards, controls, critical reagents, and ensure appropriate system suitability criteria are met
  • Perform characterization testing including binding ELISAs, activity / cytotoxicity and effector function assays to support structure-function studies, force degradation studies and BLA-enabling Process and Formulation development studies
  • Troubleshoot method-related issues internally and at external labs
  • Author study protocols, development/qualification reports and test methods, summarize and verify data for regulatory filings
  • Subject matter expert for Bioassays within the Tech Ops department and the broader CMC organization
WHO YOU ARE AND WHAT YOU BRING
  • Bachelor's degree with 8+ years' of industry experience, Master's degree with 6+ years' of industry experience, PhD with no industry experience
  • Experience in bioassay method development, transfer and qualification
  • Experience in data analysis of bioassays including parallel line analysis and other statistical data analysis for evaluating method performance
  • Ability to execute laboratory experiments both independently and with other team members
  • Effective at trouble-shooting method-related issues
  • Experience working on multiple projects, adjusting quickly to changes in priorities
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WHO WE ARE AND WHAT WE OFFER

The expected salary range for this position is $116,500 to $146,500 per year. Actual pay will be determined based on experience, qualifications, geographic location, and other job-related factors.

Vir Biotechnology's compensation and benefits are aligned with the current market and commensurate with the person’s experience and qualifications. All full-time employees receive a package that includes compensation, bonus and equity as well as many other Vir Biotechnology benefits and perks such as health and welfare benefit plans, non-accrual paid time off, company shut down for holidays, commuter benefits, 401K match and lunch each day in the office.

Applicants must currently be authorized to work for any employer in the U.S.  We are unable to sponsor or take over sponsorship of an employment Visa at this time.

All employment decisions at Vir Biotechnology are based on legitimate, non-discriminatory business requirements, job duties and individual qualifications. Employment decisions are made without regard to any legally protected characteristics. 

This commitment extends to all management practices and decisions, including recruitment and hiring, compensation, appraisal systems, promotions, training and career development programs.  Vir Biotechnology also strongly commits to providing employees with a work environment free of unlawful conduct or harassment.

Vir Biotechnology Human Resources leads recruitment and employment for Vir Biotechnology. Unsolicited resumes sent to the company from recruiters do not constitute any type of relationship between the recruiter and Vir Biotechnology and do not obligate us to pay fees should we hire from those resumes. We ask that external recruiters and/or agencies not contact or present candidates directly to our hiring manager or employees.

For hires based in the United States, Vir Biotechnology, participates in E-Verify.

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HQ

Vir Biotechnology San Francisco, California, USA Office

San Francisco, CA, United States

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