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LC-MS-MS Scientist

Contract: North Chicago, Illinois, US

Salary Range: 40.00 - 52.00 | Per Hour

Job Code: 368416

End Date: 2026-05-01

Days Left: 28 days, 15 hours left

Position Details: 
 
Industry: Biotechnology / Pharmaceutical
Job Title: LC-MS/MS Scientist III
Location: North Chicago, IL 60064  (100% Onsite)
Contract Duration: 6 months (potential extension up to 2 years based on performance and business needs)
Work Schedule: First Shift, Monday–Friday, 8:00 AM – 5:00 PM
Pay Rate: $40.00 - $52.00 per hour
 

Top Skills Required

  • Attention to detail
  • Ability to operate under deadlines with quick turnaround times
  • Experience with analytical instrumentation (Sciex 5500/6500 triple quadrupole mass spectrometers and Agilent HPLC systems)
  • Independent troubleshooting of instrumentation
  • Ability to work independently and as part of a broader team
Key Responsibilities
  • Perform high throughput quantitative in vivo and in vitro LC-MS/MS analysis, including troubleshooting and problem solving of synthetic molecules and peptides from various bio-matrices
  • Operate, perform routine maintenance, and conduct hands-on troubleshooting of AB Sciex LC-MS/MS systems
  • Maintain accurate documentation of all work including LIMS, ELN, test methods, and protocols
  • Collaborate with multiple teams across Discovery and QTAS to support bioanalysis
Qualifications
  • Bachelor’s, Master’s, or Ph.D. in Biochemistry, Analytical Chemistry, or related discipline with:
  • 8+ years (BS), 6+ years (MS), or 0+ years (PhD) of relevant academic/pharmaceutical experience
  • Proven method development experience using extraction, chromatographic, and analytical methodologies
  • Experience with quantitative bioanalysis of synthetic compounds and peptides
  • Hands-on experience operating and troubleshooting Agilent HPLCs, Leap/CTC PAL autosamplers, and AB Sciex Mass Spectrometers
  • Strong attention to detail with the ability to deliver high-quality results under tight deadlines across multiple projects
  • Ability to work independently or with minimal supervision in a high-throughput environment
  • Strong ability to design and conduct experiments, interpret, document, and communicate results
  • Effective collaboration skills within cross-functional R&D teams
  • Strong communication, interpersonal, and presentation skills
  • Experience in regulated bioanalysis and/or CRO facility settings is a plus
Key Leadership Competencies
  • Builds strong relationships with peers and cross-functional partners to enable higher performance
  • Learns quickly, understands core concepts, and adapts as needed
  • Continuously raises performance standards and challenges the status quo
  • Creates a learning environment open to suggestions and experimentation
  • Embraces ideas, fosters innovation, and drives execution of innovative solutions

Benefits:
The Company offers the following benefits for this position, subject to applicable eligibility requirements: medical insurance, dental insurance, vision insurance, 401(k) retirement plan, life insurance, long-term disability insurance, short-term disability insurance, paid parking/public transportation, (paid time , paid sick and safe time , hours of paid vacation time, weeks of paid parental leave, paid holidays annually – These all are subject to applicable eligibility).

Job Requirement
  • LC-MS/MS
  • LCMSMS
  • triple quadrupole
  • AB Sciex 5500
  • AB Sciex 6500
  • Sciex
  • Agilent HPLC
  • HPLC
  • UPLC
  • bioanalysis
  • bioanalytical
  • quantitative bioanalysis
  • in vivo
  • in vitro
  • peptides
  • small molecules
  • synthetic compounds
  • method development
  • method validation
  • sample preparation
  • extraction
  • chromatography
  • mass spectrometry
  • tandem MS
  • MRM
  • SRM
  • instrument maintenance
  • LIMS
  • ELN
  • pharmacokinetics
  • PK analysis
  • DMPK
  • ADME
  • assay development
  • assay validation
  • calibration curves
  • GLP
  • GCP
  • regulated bioanalysis
  • CRO
Reach Out to a Recruiter
  • Recruiter
  • Email
  • Phone
  • Siddhi Kadakia
  • siddhi.kadakia@collabera.com
Apply Now
Apply Now
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