Bioanalytical Scientist I in Aliso Viejo, California

Location

Aliso Viejo, California

Job Type

Contractor

Company

Eastridge Workforce Solutions

Eastridge Workforce Solutions is committed to connecting skilled professionals with meaningful career opportunities. We are seeking a Bioanalytical Scientist I to support our client’s team.

Created/Revised Date: 4/21/2026

Anticipated Closing Date: 5/21/2026

Job Title: Bioanalytical Scientist I

Location: On-site, Aliso Viejo, CA

[Hourly Pay Range] [Salary Pay Range] and Other Compensation :

• [The hourly rate for this position is expected to be between $42.79 - $53.51 per hour, depending on geographic location, experience and other qualifications of the successful candidate.]

Employment Type: Temporary, 1 year

FLSA Status: [Non-Exempt]

Schedule: Monday–Friday, 8:00 AM–5:00 PM

Job Summary:

We are looking for a motivated bioanalytical scientist to join the Pharmacokinetics, Drug Disposition, and Clinical Pharmacology team. This team develops and executes the nonclinical and clinical ADME strategies for our novel pharmaceutical products. The team is also responsible for developing and performing immunoassay and liquid chromatography-tandem mass spectrometry (LC-MS/MS) assays to assess local biodistribution, systemic exposure, and quantitation of small molecules, biologics and their metabolites in biological fluids and tissues.

A successful candidate will be a LC-MS/MS scientist focusing on small molecules, contributing to internal, non-regulated (non-GLP) method development and quantitation efforts to provide timely bioanalytical support for Research and Development project teams. The successful candidate will demonstrate excellent collaboration and communication skills and will be versatile, self-motivated, timeline and process oriented.

Responsibilities

• Perform hands on LC-MS/MS method development, method optimization, troubleshooting, fit-for-purpose qualification and non-regulated bioanalytical sample analysis in a variety of biological fluids and tissues in a timely manner • Maintain timely and accurate laboratory records consistent with good documentation practices • Write formal study reports and bioanalytical sections of regulatory documents for submission to regulatory agencies. • Maintain state-of-the-art lab equipment (e.g. LC-MS/MS instruments) • Closely collaborate with colleagues in the non-clinical development organization and other relevant departments

Requirements

• Bachelor’s degree in chemistry or a closely related discipline with 3-6 years of relevant experience or Master’s degree with 2+ years of experience • Hands-on experience with development and non-regulated qualification of LC-MS/MS bioanalytical methods for small molecule drugs and peptides using various techniques (protein precipitation, LLE and SPE ) in biological fluids and tissues • Proven independence and problem-solving ability as it relates to LC-MS/MS assay development • Strong verbal and written communication skills. • Strong organizational skills and keen attention to detail; ability to handle multiple projects in a fast-paced environment • Willingness to learn and adapt to new techniques and technologies. • A collaborative mindset, with the ability to work effectively as part of a team.

Benefits:

Eastridge Workforce Solutions offers the following benefits, subject to applicable eligibility requirements. Use this link https://applicantcenterstorage.blob.core.windows.net/public-documents/EWSb1cb390e-729b-47eb-ab2f-b92adafbdd07-2024EplicaBenefitSummaryTempExternal.pdf to learn more about benefits available to Eastridge’s temporary employees. From time to time Eastridge’s clients may offer additional benefits to Eastridge employees while on assignment. Information about those benefits will be communicated when applicable.

Disclaimer: The compensation and benefits information in this posting represents Eastridge’s good faith and reasonable estimate of what it might pay for this position. Eastridge reserves the right to modify this information at any time, subject to applicable law.

Equal Opportunity Employer:

Eastridge Workforce Solutions is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity, and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, gender expression, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Eastridge Workforce Solutions also prohibits harassment or retaliation of applicants or employees based on any of these protected categories. It is our policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions. Please note that Eastridge is unable to provide visa sponsorship to applicants.

Background Checks:

Certain clients require Eastridge Workforce Solutions to perform background checks. Eastridge will consider qualified applicants with criminal histories in a manner consistent with any applicable federal, state, or local law regarding criminal backgrounds, including but not limited to the California Fair Chance Act, the Los Angeles City Fair Chance Ordinance, Los Angeles County Fair Chance Ordinance for Employers, and the San Francisco Fair Chance Ordinance.

Massachusetts Candidates:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Privacy:

Information collected and processed as part of your candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Eastridge’s Privacy Policy https://www.eastridge.com/privacy-policy , as well as

Eastridge’s Pre-Use Notice of Collection and Automated Decision-Making Technologies https://www.eastridge.com/data-collection-notice

By applying for this job, you agree to receive calls, AI-generated calls, if applicable, text messages, or emails from Eastridge Workforce Solution, and/or its agents and contracted partners related to confirming assignments and job openings. Message frequency may vary. Standard message and data rates may apply depending on your mobile carrier. To opt out of receiving SMS messages from us at any time, simply reply to the text with “STOP.” Please be aware that message and data rates may apply to any SMS messages sent or received. You can access our SMS Terms and Conditions by visiting https://www.eastridge.com/sms-terms-and-conditions