Principal Associate Scientist, Bioanalytical Science

Xaira Therapeutics · South San Francisco, CA

RoleLantern checked

CMCCompany career page

The apply link worked recently (not employer-confirmed).

Role summary

Xaira Therapeutics seeks a Principal Associate Scientist for hands-on bioanalytical assay development and execution. The role focuses on ligand binding assays and flow cytometry methods to support pharmacokinetic, pharmacodynamic, and target engagement studies across discovery and translational programs.

What they're looking for

B.S. or M.S. in Biochemistry, Immunology, Analytical Chemistry, or related field
7+ years of relevant bioanalytical industry experience
Hands-on expertise with ligand binding assay platforms (ELISA, MSD/ECL)
Proven experience executing flow cytometry-based assays for target engagement
PK/PD sample analysis experience in NHP and/or rodent species
Independent experimental execution and technical troubleshooting skills
Strong data documentation, organization, and lab record-keeping practices

What you'll be doing

Develop, optimize, and execute ligand binding assays and flow cytometry methods for PK/PD and target engagement studies
Support assay qualification and validation for discovery, translational, and clinical programs
Process and analyze samples from NHP and rodent matrices including serum, plasma, and tissue
Generate, analyze, and document experimental data to support team decision-making
Prepare data presentations and communicate findings to internal teams and external partners

Privacy & handoff

This role links to Xaira Therapeutics's own application system. RoleLantern records your interest and checks the link, but the application happens on the employer's site and status updates may not come back to us. Clicking apply does not mark you as applied automatically.

What RoleLantern checked

This role is listed from an approved source. RoleLantern checks that the application link is live and how recently the role appeared — the employer has not confirmed it directly on RoleLantern.

RoleLantern checked active

RoleLantern checkedNeeds clarity

Date posted19 days ago

Last source check1 day ago

Salary listedNeeds clarity

Location clearClear

Something look off? Let us know and we may ask the employer to verify it.

See how you match this role

Upload your CV to see which of this role's requirements your background supports, where there may be gaps, and what needs clarification. Private by default — we never sell your CV.

See my match