Research Assistant - Biomarkers

Job Summary

Biomarkers personnel are responsible for the development, performance, and support of biomarkers and flow cytometry-based assays. They assist in sample analysis for both internal studies and external client-based studies in a GLP compliant environment, supporting assays for cytokine, hormone, renal, cardiovascular, osteo, complement, metabolic, and inflammatory markers.

• Efficiently perform and document all procedures, materials, and results in compliance with applicable regulatory standards (protocols, methods, SOPs, etc.)
• Demonstrate effective communication skills through informal discussion with peers, supervisors, and team members
• Perform all laboratory maintenance functions with minimal oversight
• Perform laboratory support functions such as labeling and solution preparations with oversight
• Assist with maintaining discipline-level inventory of laboratory consumables with oversight
• Write both study and non-study deviations with oversight
• Perform all other related duties as assigned

• HS/GED/Associate’s degree with no experience
• An equivalent combination of education and experience may be accepted as a satisfactory substitute
• Ability to communicate verbally and in writing at all levels inside and outside the organization
• Basic familiarity with Microsoft Office Suite
• Computer skills commensurate with essential functions, including the ability to learn a validated system
• Ability to work extended hours beyond the normal work schedule, including evenings, weekends, extended shifts, and/or extra shifts on short notice
• Ability to work under specific time constraints
• Perform general office and/or laboratory procedures requiring talking, hearing, standing, or sitting for long periods, typing/entering data, using appropriate instruments, reaching, and wearing safety equipment (PPE) according to OSHA regulations and company standards
• Specific vision abilities required include close vision, color vision, depth perception, and the ability to adjust focus
• Ability to push, pull, and lift 20–50 pounds

The pay rate for this role is $20 per hour.

Charles River Laboratories is an early‑stage contract research organization (CRO) that offers a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non‑GLP. With over 20,000 employees in 110 facilities worldwide, we coordinate resources and multidisciplinary expertise to support clients from target identification through preclinical development. We are passionate about improving the quality of life through scientific excellence.

Based on position, benefits may include bonus/incentives based on performance, 401(k), paid time off, stock purchase program, health and wellness coverage, employee and family wellbeing support programs, and work–life balance flexibility.

Charles River is an equal‑opportunity employer committed to providing equal employment opportunities for all qualified applicants and employees without regard to race, color, sex, religion, national origin, ancestry, age, mental or physical disability, family status, pregnancy, military or veteran status, or any other characteristic protected by federal, state, or local laws. Unlawful requirements for lie‑detector tests or other prohibited actions are strictly disallowed.

For accommodation requests for individuals with disabilities, please contact human resources at

Mattawan, MI