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Scientist

Careers Integrated Resources Inc San Diego, CA (Onsite) Contractor
Job Title: Scientist
Location: La Jolla, CA
Duration: 12 Months+ (Possibilities of Extension)

Pay Range: $52/hr. on w2
 
Notes:
  • Must be able to commute to work every day
  • PhD is required
  • Must have experience with Analytical Chemistry
  • Must have experience with Oligonucleotides
  • Must have siRNA experience
  • Previous gene therapy experience
  • Must have 1-3 years of experience
  • Experience with Chromatography (LC-MS)
  • Experience with these instruments:  Thermo LTQ, LC/MS or Thermo Orbitrap LC/MS
 
Description:
Key Responsibilities:
  • 30% Operating LC-MS systems to perform in-process and final QC of various scales of highly modified oligonucleotides, including siRNA and ASO, to support both discovery portfolio and pre-portfolio projects
  • 20% Optimize methods and improve analytical capabilities for novel Oligonucleotide synthesis
  • 10% Analyze and optimize methods in a project-specific way (i.e. GalNAc vs Cholesterol vs C16) by denaturing and non-denaturing HPLC methods. In addition, phosphoramidites or lipids by HPLC and LCMS.
  • 20% Establish and automate high throughput analytical capabilities and coordinate those efforts with higher synthesis throughput.
  • 5% Analyze oligonucleotides by HPLC-SEC, RP-IP and Ion-Exchange Chromatography.
  • Continue optimizing siRNAs using best-in class analytical chemistry methodologies such as different column matrixes for optimal siRNA characterization
  • Support integrity confirmation requests (such as concentration) by assay development and biology teams
  • 3% Conduct QC for lipid nanoparticle (LNP) formulations of mRNA
  • 5% Ensure the supply of laboratory consumables and reagents are in stock as needed
  • Maintain a high level of productivity in the laboratory setting.
  • 2% Present data and reports on project status at individual, group, and departmental meetings.
 
Qualifications:
  • Ph.D.. with 1-3 years of experience, performing progressively advanced duties at the Scientist level, or the equivalent training/experience is required.
  • Prior experience in the characterization of oligonucleotides and/or nucleoside/nucleotide analytes is required.

#sczr2
 
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Job Snapshot

Employee Type

Contractor

Location

San Diego, CA (Onsite)

Job Type

Other

Experience

Not Specified

Date Posted

09/06/2025

Job ID

25-58572

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