Scientist III (Quantitative LC-MS) (North Chicago)

US Tech Solutions
North Chicago, IL

Duration: 6 months (With Potential Extensions up to Two Years)

Work schedule:

  • 8 hours on-site, First Shift, Mon-Fri, 8am – 5pm (possibility of earlier than 8am depending on job tasks).

Description:

Quantitative, Translational & ADME Sciences Department has a position for a Scientist III in North Chicago, IL. The successful candidate will be responsible for non-regulated quantitative LC-MS/MS bioanalysis of small molecules from in vivo and in vitro samples, including extraction, data analysis and interpretation.

Responsibilities:

  • Perform high throughput quantitative in vivo and in vitro LC-MS/MS analysis , troubleshooting and problem solving of small molecule and peptides from various bio-matrices.
  • Operate, perform routine maintenance, and hands-on troubleshooting of AB Sciex LC-MS/MS systems.
  • Maintain excellent documentation of all work including LIMS, test methods, and protocols .
  • Work closely with multiple teams across Discovery and DMPK-BA to support bioanalysis .

Skills:

  • Proven method development experience using various extraction, chromatographic and analytical methodologies.
  • Proven experience with quantitative bioanalysis of small molecules .
  • Proven experience operating and troubleshooting Agilent HPLCs, Leap/CTC PAL autosamplers and AB Sciex Mass Spectrometers .
  • The ideal candidate is detail oriented and committed to generating high-quality results within tight deadlines and across different projects.
  • Proven ability to work independently or under minimal supervision in a high-throughput environment to design and conduct experiments, interpret, document, and communicate results, as well as in a team environment to collaborate successfully across other groups within R&D.
  • Communication, interpersonal, and presentation.
  • Work experience in regulated bioanalysis and/or CRO Facility settings is a plus.

Key Leadership Competencies:

  • Builds strong relationships with peers and cross functionally with partners outside of team to enable higher performance.
  • Learns fast, grasps the essence and can change course quickly where indicated.
  • Raises the bar and is never satisfied with the status quo.
  • Creates a learning environment, open to suggestions and experimentation for improvement.
  • Embraces the ideas of others, nurtures innovation and manages innovation to reality.

Top skill requirements:

  • Quantitative LC-MS experience.
  • Proven record of independent work.
  • Understanding of small molecule analysis in biomatrix.
  • Understanding of peptides and proteins in biomatrix is a plus.
  • Reverse phase method development is a plus.

Education and experience:

  • Bachelors, Masters, or Ph.D. in Biochemistry, Analytical Chemistry , or related discipline typically with 8+ (BS), 6+ (MS), or 0+ (PhD) years of relevant academia/pharmaceutical experience.

About US Tech Solutions:

US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions. To know more about US Tech Solutions, please visit .

US Tech Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Recruiter Details:

Name: Shivangi Shivpuri

Email: [email protected]

Internal Id: 26-03648

Posted 2026-04-27

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