Xaira Therapeutics
AI & Machine LearningDirect Greenhouse career site

Senior Scientist, Biology

Pay
$140,000 – $170,000 per year
Location
South San Francisco, CA · On-site
Job type
Full-time
Level
Director
Experience
3+ years
Education
Doctorate
Listed
31 days ago

Skills & highlights for this role

  • high-parameter flow cytometry
  • primary human and mouse immune cells
  • ELISA
  • qPCR
  • RNAseq analysis

Also useful

  • MSD
  • Luminex
  • single-cell tissue dissociation

Stated benefits & perks

  • Equity
  • Bonus

About the Role

Xaira Therapeutics is seeking a lab-based Senior Scientist in Inflammation and Immunology to join our Biology & Pharmacology department. This role is ideal for someone who thrives in a hands-on research environment, has experience working with primary human and mouse immune cells, including ex vivo tissue systems, and is excited to help shape therapeutic program strategy.

In this role, you will investigate disease biology and drug mechanisms, generate actionable data, and intellectually contribute to advancing therapeutic programs through cross-functional collaborations.

What You'll Do

  • Drive preclinical programs by designing, executing and analyzing in vitro and in vivo studies that explore disease biology, target validation, and lead candidate development.
  • Identify knowledge gaps, ask critical mechanistic questions to guide program direction, and evaluate novel targets and therapeutic strategies.
  • Dissociate human and mouse tissues into single-cell suspensions and/or establish tissue cultures for downstream functional or phenotyping assays including:
  • immune profiling, using high-parameter flow cytometry (15+ colors), and molecular tools (ELISA, MSD, Luminex, qPCR, RNAseq analyses).
  • functional assays (antigen presentation, immune cell activation, differentiation, proliferation, suppression, migration)
  • Translate experimental data into actionable insights and clearly communicate findings and recommendations to cross-functional teams.

What We're Looking For

  • PhD in Immunology or a related field with 3+ years of relevant experience.
  • Track record of impact through first author publications, posters and presentations at meetings
  • Hands-on experience with primary human and mouse immune cells.
  • Strong expertise in flow cytometry, including high-parameter panel design, execution, and data analysis.
  • Proven ability to independently plan, execute, troubleshoot, and interpret experiments.
  • Excited about employing AI tools in every aspect of everyday work.
  • Highly organized and precise in record keeping, with the ability to manage multiple workstreams in a fast-paced environment.
  • Clear communicator who can distill complex data into actionable insights.

Compensation

We offer a competitive compensation and benefits package, seeking to provide an open, flexible, and friendly work environment to empower employees and provide them with a platform to develop their long-term careers. A Summary of Benefits is available for all applicants. We offer a competitive package that includes base salary, bonus, and equity. The base pay range for this position is expected to be $140,000 - $170,000 annually; however, the base pay offered may vary depending on the market, job-related knowledge, skills and capabilities, and experience.

Xaira Therapeutics an equal-opportunity employer. We believe that our strength is in our differences. Our goal to build a diverse and inclusive team began on day one, and it will never end.

To All Recruitment Agencies

Xaira Therapeutics does not accept agency resumes. Please do not forward resumes to our jobs alias or employees. Xaira Therapeutics is not responsible for any fees related to unsolicited resumes.

About Xaira Therapeutics

Xaira is an innovative biotech startup focused on leveraging AI to transform drug discovery and development. The company is leading the development of generative AI models to design protein and antibody therapeutics, enabling the creation of medicines against historically hard-to-drug molecular targets. It is also developing foundation models for biology and disease to enable better target elucidation and patient stratification.

Collectively, these technologies aim to continually enable the identification of novel therapies and to improve success in drug development. Xaira is headquartered in the San Francisco Bay Area, Seattle, and London.

Read the original posting

From Xaira Therapeutics's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

What is the salary for the Senior Scientist, Biology role at Xaira Therapeutics?

The Senior Scientist, Biology posting at Xaira Therapeutics states compensation of $140,000 – $170,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Xaira Therapeutics's official career site.

Where is the Senior Scientist, Biology job at Xaira Therapeutics located?

This Senior Scientist, Biology position at Xaira Therapeutics is located in South San Francisco, CA (On-site). Always check Xaira Therapeutics's application page for specific state eligibility or relocation policies.

What qualifications are required for Senior Scientist, Biology at Xaira Therapeutics?

For the Senior Scientist, Biology role, Xaira Therapeutics highlights 3+ years of relevant experience; a doctorate; experience with high-parameter flow cytometry, primary human and mouse immune cells, ELISA, qPCR, RNAseq analysis. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Senior Scientist, Biology position at Xaira Therapeutics?

This listing links directly to Xaira Therapeutics's Greenhouse application page. You can apply directly on Xaira Therapeutics's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.