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Research Associate / Sr. Research Associate, Clinical Immunology

Janux Therapeutics
San Diego, CA Full Time
POSTED ON 6/14/2026
AVAILABLE BEFORE 7/12/2026

Janux Therapeutics is seeking a highly motivated Research Associate/Sr. Research Associate with experience working in immunology or oncology in a clinical laboratory or CRO settings. The incumbent will be an integral member of the clinical immunology team and will work on flow-based assays for Janux’s TRACTr and TRACIr clinical programs. An ideal candidate will have hands-on experience with flow cytometry, T cell activation, assay development and optimization.

 

This position is hands-on bench work and requires effective communication and documentation of results. The ideal applicant will be collaborative and team-oriented, self-motivated, possess excellent communication and organizational skills, and carry a strong commitment to excellence.

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ESSENTIAL FUNCTIONS AND RESPONSIBILITIES

These may include, but will not be limited to:

 

  • Execution of flow-based assays for clinical programs
    • Draft, develop and/or review SOPs, or any other documentation needed to support the clinical laboratory work.
    • Execute standard experiments evaluating immunophenotyping, T cell activation and cytotoxicity, as needed
    • Manage critical reagent inventories for clinical testing
  • Help execute/perform internal laboratory activities under tight timelines
  • Maintain up to date records
  • Draft reports of work and study conclusions
  • Other duties as deemed necessary


EDUCATION, EXPERIENCE, KNOWLEDGE, SKILLS AND ABILITIES
  • Must have a B.S in cell biology, immunology, oncology or related field with a minimum of 2-5 years of experience for RA-level or 5 years for SRA-level
  • Experience with primary human cells isolation, culture, and activation in vitro.
  • Experience in multi-color flow cytometry for immunophenotyping and functional assays is desirable.
  • Experience in flow cytometry analysis is desirable(ie. FlowJo, DIVA, FCS Express, CellEngine, or Cytobank).
  • Experience in cytokine/ chemokine evaluation assays (ELISA, MSD, Olink etc.) is desirable.
  • Experience working in a clinical environment following GCLP, GDP or GLP guidelines is a plus.
  • Experience validating flow cytometry assay and methods for clinical use is a plus.
  • Proficiency in excel, PowerPoint and GraphPad Prism is required.
  • Excellent oral and written communication skills.
  • Success in this role requires great attention to detail with the ability to multitask
  • Skills to be an effective team player, strong individual contributor, self-motivated, flexible, and able to handle multiple tasks and deliver high-quality results under tight timelines
  • Experience in Biotech or Pharma industry a plus.

 

 


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$95,000 - $110,000 a year

In addition to a competitive base salary ranging from $95,000-$115,000, we offer stock options, a stock purchase plan (ESPP) and a target bonus.  Janux also provides a comprehensive benefits package for our employees and their families, which includes medical, dental, vision, and supplemental disability insurance.

 

Please note that the base salary range is a guideline, and individual total compensation will vary based on factors such as qualifications, skill level, competencies, internal equity and work location.

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Job Type: Full-time

 

Benefits:

·         Annual bonus program

·         Incentive stock option plan

·         401k plan with flat non-elective employer contribution

·         Comprehensive medical insurance with 90-100% employer-paid premiums

·         Dental and vision insurance

·         HSA, FSA, and supplemental insurance plans (life, disability, accident, critical illness, hospital indemnity)

·         Unlimited PTO

·         Generous holiday schedule; includes summer and winter company shutdown

·         Relocation assistance

 

Schedule:

·         Monday to Friday

 

Work authorization:

·         United States (Required)

 

Additional Compensation:

·         Annual targeted bonus %

 

Work Location:

·         On site (San Diego, CA)

 

EQUAL OPPORTUNITY EMPLOYER:

Janux Therapeutics, Inc. is an equal opportunity employer that is committed to providing a work environment free of harassment and discrimination based upon a protected category, as well as an environment free from retaliation for protected activity.



Notice to Recruiters and Third-Party Agencies

The Talent Acquisition team manages the recruitment and employment process for Janux. To protect the interests of all parties involved, Janux will only accept resumes from a recruiter once a fully-executed search agreement is in place. Agencies are hereby specifically directed not to contact Janux employees directly in an attempt to present candidates. Janux will consider any candidate for whom an Agency and/or Recruiter has submitted an unsolicited resume to have been referred, free of any charges or fees.

Salary : $95,000 - $110,000

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