Scientist III

The Scientist III will be an integral part of the Quantitative, Translational & ADME Sciences group, focusing on non-regulated quantitative LC MS/MS bioanalysis of small molecule compounds from various biological samples. This hands-on role involves working with mass spectrometry, specifically using AB Sciex triple quadrupole instrumentation and Analyst software. The scientist will execute methods, review data, and analyze samples, collaborating closely with discovery and DMPK teams.

• Perform high throughput quantitative LC MS/MS analysis of small molecules and occasionally peptides from various biological matrices.
• Review and assess LC MS data to ensure data quality and integrity.
• Execute established in vitro bioanalysis workflows with minor method development.
• Operate, maintain, and troubleshoot AB Sciex triple quad LC MS/MS systems, HPLCs, and autosamplers.
• Maintain accurate and compliant documentation in LIMS, method files, and study records.
• Collaborate with cross-functional partners in Discovery and other departments to support project needs.
• Design, execute, and interpret bioanalytical experiments independently.

• Extensive experience in quantitative LC MS/MS, especially with triple quadrupole systems.
• Ability to work independently with minimal supervision.
• Strong understanding of small molecule bioanalysis in biological matrices.
• Proficiency with AB Sciex instruments and Analyst software.
• Experience working with various biological matrices such as plasma, tissues, and microsomes.
• Excellent data interpretation, documentation, and communication skills.

• Experience with reverse phase chromatography method development is a plus.
• Knowledge of peptide and protein bioanalysis is advantageous.
• Familiarity with ADME principles, which can be learned on the job.
• Experience in regulated bioanalysis or CRO environments is preferred.
• Education requirements: BS with 8+ years, MS with 6+ years, or PhD with relevant experience in Biochemistry, Analytical Chemistry, or related fields.

The role is based 100% onsite at Abbott Park, working Monday through Friday from 8am to 5pm. It is a contract position for 6 months with potential extensions up to 2 years. The Scientist III will work independently within a collaborative team focused on mass spectrometry.

This is a Contract position based out of North Chicago, IL.

The pay range for this position is $50.00 - $55.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in North Chicago,IL.

This position is anticipated to close on Feb 28, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.