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LC-MS-MS Scientist
Contract: North Chicago, Illinois, US span>
Salary Range: 40.00 - 52.00 | Per Hour
Job Code: 368416
End Date: 2026-05-01
Days Left: 28 days, 15 hours left
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
- 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
- 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
- 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
- Phone
- Siddhi Kadakia
- siddhi.kadakia@collabera.com