Principal Associate Scientist, Bioanalytical Science
Join Xaira Therapeutics as a Principal Associate Scientist to develop and execute bioanalytical assays in a collaborative biotech environment.
Posted by employer 1 week ago
First seen on Joblaze 1 week ago
Last verified on the company career page 1 day ago
Skills & Technologies
AI in the day-to-day
Xaira is leveraging AI to transform drug discovery and development.
Requirements
- Experience
- 7+ years
- Education
- Master's degree
Not disclosed in this posting: visa sponsorship.
Benefits
Joblaze summary
In the role of Principal Associate Scientist at Xaira Therapeutics, the individual will focus on developing and executing ligand binding assays to support various pharmacokinetic and pharmacodynamic studies. Key skills include hands-on experience with ELISA and flow cytometry, along with a strong background in bioanalytical assay development. This position is well-suited for someone with over seven years of industry experience who thrives in a collaborative, fast-paced environment. Xaira, an innovative biotech startup, emphasizes the integration of AI in drug discovery, fostering a dynamic research atmosphere.
Joblaze insights
- Listed 9 days ago on Joblaze — tracked directly from Xaira Therapeutics's career page.
- Xaira Therapeutics has 23 other open roles including Principal Scientist, Biology, Senior/ Staff AI Research Engineer, Lab Software Engineer.
- 5 active flow cytometry roles on Joblaze right now.
- 3 active ELISA roles on Joblaze right now.
- 2 active Bioanalytical Science roles on Joblaze right now.
- Salary band is below the typical range for comparable tech roles (median ~$126,887).
Quick facts
- Is the Principal Associate Scientist, Bioanalytical Science role remote?
- It's hybrid — Xaira Therapeutics expects some on-site time in South San Francisco, California, United States.
- What's the salary range?
- Xaira Therapeutics lists $110,000–$138,000 for this role.
- How much experience is required?
- At least 7 years of relevant experience for this Principal Associate Scientist, Bioanalytical Science role.
- Where is the role based?
- Xaira Therapeutics is hiring for this position in South San Francisco, California, United States.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: Bioanalytical Science, ELISA, MSD/ECL, flow cytometry.
- What seniority level is this role?
- Xaira Therapeutics targets principal-level candidates for this position.
- Is this full-time or contract?
- Full-time for this Principal Associate Scientist, Bioanalytical Science role at Xaira Therapeutics.
From the original posting
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.
About the Role
Xaira Therapeutics is seeking a Principal Associate Scientist to join our Bioanalytical Sciences team. This is a hands-on, lab-based role focused on developing and executing ligand binding assays to support pharmacokinetic, pharmacodynamic, and target engagement studies across discovery and translational programs.
This position is ideal for someone with strong experience in bioanalytical assay development and execution who enjoys bench work and contributing to data generation in a fast-paced, collaborative environment. You will work closely with scientists across biology and pharmacology to generate high-quality data that supports ongoing discovery efforts.
What You’ll Do
- Develop, optimize, and execute ligand binding assays (ELISA, MSD/ECL) and flow cytometry-based methods to support PK, PD, receptor occupancy, and target engagement studies for biologic programs
- Support assay development, optimization, qualification, and validation activities for both non-GLP,IND-enabling GLP, and clinical studies
- Contribute to the design and execution of DMPK and bioanalytical studies, generating PK/PD and exposure data to support candidate selection
- Support bioanalytical method development, qualification, and validation for discovery, translational, and clinical programs
- Process and analyze samples across NHP and rodent matrices, including serum, plasma, and tissue
- Generate, analyze, and clearly document experimental data to support team decision-making
- Prepare presentations and data summaries to communicate experimental findings with internal program groups and external CROs.
- Maintain accurate lab records and ensure reproducibility of experimental workflows
- Collaborate with cross-functional teams to support ongoing research programs
What We’re Looking For
- B.S. or M.S. in Biochemistry, Immunology, Analytical Chemistry, or a related field with 7+ years of relevant industry experience
- Strong hands-on experience with ligand binding assay platforms (ELISA, MSD/ECL)
- Proven experience executing flow cytometry-based assays, ideally for receptor occupancy or target engagement
- Experience supporting PK/PD sample analysis across NHP and/or rodent species in a discovery or translational research setting
- Ability to independently execute experiments and troubleshoot technical issues
- Past experience with summarizing data and presenting to internal or external groups.
- Strong attention to detail, organization, and record keeping
- Ability to work effectively in a fast-paced, team-oriented environment
Compensation
Annual
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 $110,000 to $138,000 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.