Senior Analytical Development Scientist

Janux Therapeutics; San Diego (CA); On-site; USD 95,000 - 108,000; Full time

Benefits offered by this job

Annual bonus

Stock options

401k plan

Medical insurance

Dental & vision

HSA/FSA plans

Unlimited PTO

Holiday schedule

Relocation assistance

Job summary

Janux Therapeutics in San Diego, CA is seeking a Senior Research Associate for Analytical Development to design and execute experiments using HPLC, CE-SDS, iCIEF and plate-based assays, supporting CMC, discovery, pre-clinical and clinical development of lead candidates. This hands-on role requires clear documentation, collaboration with team leaders, and the ability to train others.

The position offers full-time on-site work, competitive salary, stock options, and a comprehensive benefits

Qualifications

• Bachelor's degree (4–6 years) or master's with relevant experience.
• Strong benchtop skills with protein biologics/peptides.
• 3+ years HPLC/UPLC experience; SEC/RP preferred.
• Experience with CE-SDS, iCIEF or related electrophoretic methods.
• ELISA experience preferred.
• Experience with analytical method qualification, stability or formulation development.
• Ability to analyze complex datasets and communicate conclusions.

Responsibilities

• Perform HPLC/UPLC assays (SEC/RP) with minimal supervision.
• Execute CE-SDS and iCIEF analysis for novel proteins.
• Perform ELISAs for potency assessment.
• Conduct DLS/SLS analysis and support formulation studies.
• Perform subvisible particulate analysis by HIAC.
• Design, conduct, analyze, interpret and report experiments; summarize results.
• Write and manage SOPs and test methods.
• Maintain reagents and lab environment; ensure equipment readiness.
• Draft development reports and method qualification documents.
• Prepare presentations for team meetings.
• Collaborate with team leaders to meet priorities and milestones.

Skills

HPLC/UPLC

CE-SDS/iCIEF

ELISA

Data analysis

GDP/Documentation

Excel/PowerPoint

Independent worker

Team player

Training others

Education

Bachelor's degree in field

Master's degree in field

Tools

UNcle instrument

Job description

Janux Therapeutics in San Diego, CA is seeking a Senior Research Associate for Analytical Development to design and execute experiments using HPLC, CE-SDS, iCIEF and plate-based assays, supporting CMC, discovery, pre-clinical and clinical development of lead candidates. This hands-on role requires clear documentation, collaboration with team leaders, and the ability to train others.

The position offers full-time on-site work, competitive salary, stock options, and a comprehensive benefits