---
title: Principal Scientist, Analytical Development
description: Janux Therapeutics is hiring for the Principal Scientist, Analytical Development
  & Formulation role. See the full description and apply.
type: job
url: https://www.foundrole.com/jobs/principal-scientist-analytical-development-and-formulation-at-janux-therapeutics-01a0e8b0-ef8c-785f-825b-a73ba28bf3bf
date: 2026-09-28T17:49:51Z
og_description: Join Janux Therapeutics as Principal Scientist, Analytical Development & Formulation
  in San Diego, CA. Pays $170K–$185K per year.
og_image: https://www.foundrole.com/og/1hp7vn.png
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---

| | |
|---|---|
| **Company** | Janux Therapeutics |
| **Location** | San Diego, CA |
| **Salary** | $170K/yr - $185K/yr |
| **Type** | Full Time |
| **Posted** | Sep 25, 2026 |
## Description

We are seeking a highly skilled and motivated Principal Scientist to join our Analytical and Formulation Development team. The successful candidate will lead and oversee analytical and formulation development activities for our pipeline of therapeutic candidates in immuno-oncology and autoimmune disease. This role requires a deep understanding of analytical methodologies, formulation development of biologics, regulatory requirements, as well as experience managing analytical development and QC activities at CDMOs.

**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.
## Skills

- Analytical Method Development
- Contract Development and Manufacturing Organization (Cdmo)
- Immuno-Oncology
- Formulation Development
- Autoimmune Disease
- Biologics
- Regulatory Compliance
## Benefits

- Health Insurance
- Dental Insurance
- Vision Insurance
- Paid Time Off (Pto)
- 401(k) Plans
- Relocation Assistance
- Tax-Advantaged Accounts

## How to Apply

[Apply for this position](https://www.foundrole.com/jobs/principal-scientist-analytical-development-and-formulation-at-janux-therapeutics-01a0e8b0-ef8c-785f-825b-a73ba28bf3bf?utm_source=ai_markdown)

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