Xaira Therapeutics
Direct Greenhouse career site

Senior Associate Scientist, High Throughput Protein Production

Pay
$101,000 – $126,000 per year
Location
South San Francisco, CA · On-site
Job type
Full-time
Level
Mid-level
Experience
3+ years
Education
Master's degree
Listed
19 days ago

Skills & highlights for this role

  • Protein expression
  • Protein purification
  • High-throughput mammalian expression systems
  • Affinity chromatography
  • Automation and work cell operation
  • Protein purification protocol design and optimization
  • Analytical and problem-solving skills

Also useful

  • Automated liquid handling systems
  • Robotic platforms
  • Python
  • R
  • Automation workflow scripting

About the Role

We are seeking a highly motivated Senior Associate Scientist to join our High-Throughput Protein Production team and play a key role in automating, streamlining, and scaling up protein production processes. This position offers a unique opportunity to leverage your expertise in protein expression and purification along with your passion for automation to develop and implement cutting-edge workflows.

About You

  • You are an enthusiastic protein sciences team who takes pride in your bench execution skills.
  • Your passion lies in drug discovery and developing novel treatments for patients.
  • You are conscientious, detail-oriented, and organized.
  • Collaboration comes naturally to you, and you thrive in a fast-paced environment and pushing the boundaries of what is possible is the norm.

What You'll Do and Learn

  • Operate and optimize high-throughput protein production workflows for antibody modalities.
  • Implement and integrate automation platforms, ensuring seamless workflow.
  • Develop and validate methods for automated protein purification.
  • Troubleshoot automation issues, improve efficiency and yield.
  • Stay current with advancements in automation and protein production.
  • Collaborate across disciplines to optimize workflows.
  • Design a data management system to track protein production data.
  • Document automated protein production processes.
  • Analyze data and identify areas for improvement.
  • Prepare reports and presentations.

Qualifications

  • Advanced degree in Biochemistry, Molecular Biology, or a related field
  • Minimum of 3 years of experience in protein expression and purification.
  • Strong operational understanding of automation, work cells, and protein science principles and methodologies.
  • Experience with high-throughput mammalian expression systems.
  • Experience with protein purification techniques (e.g., affinity chromatography, various polishing steps).
  • Proven ability to design and optimize protein purification protocols.
  • Experience with automated liquid handling systems and robotic platforms (preferred).
  • Experience with programming skills (e.g., Python, R) for scripting automation workflows (a plus).
  • Excellent analytical and problem-solving skills.
  • Strong communication and interpersonal skills.
  • Ability to work independently and as part of a team.

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 $101,000 - $126,000 annually; however, the base pay offered will 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 22, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Senior Associate Scientist, High Throughput Protein Production role at Xaira Therapeutics, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

What is the salary for the Senior Associate Scientist, High Throughput Protein Production role at Xaira Therapeutics?

The Senior Associate Scientist, High Throughput Protein Production posting at Xaira Therapeutics states compensation of $101,000 – $126,000 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 Associate Scientist, High Throughput Protein Production job at Xaira Therapeutics located?

This Senior Associate Scientist, High Throughput Protein Production 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 Associate Scientist, High Throughput Protein Production at Xaira Therapeutics?

For the Senior Associate Scientist, High Throughput Protein Production role, Xaira Therapeutics highlights 3+ years of relevant experience; a master's degree; experience with Protein expression, Protein purification, High-throughput mammalian expression systems, Affinity chromatography, Automation and work cell operation, Protein purification protocol design and optimization. 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 Associate Scientist, High Throughput Protein Production 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.