For 75 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well‑being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform. In return, we’ll help you build a career that you can feel passionate about.

Job Overview

As a Method Development Research Scientist (Large Molecule) for our Bioanalysis team at the Laval location, you will act as a Study Director responsible for the conduct of all analytical and/or bioanalytical studies using LC-MS/MS, HPLC-UV or any other analytical detection method, in compliance with the Good Laboratory Practice (GLP) Regulations of the Organisation for Economic Co-operation and Development Principles and the US Food and Drug Administration (21 CFR Part 58 and subsequent amendments).

In this role, primary responsibilities include:

- Developing workflows and assays for the analysis of proteins, peptides, and their post‑translational modifications across a variety of biological matrices;
- Designing and executing laboratory experiments, including sample preparation, mass spectrometry analysis, and data interpretation;
- Presenting complex datasets in a clear and concise manner to internal teams, clients, and stakeholders;
- Training Associate Scientists and Analysts on sample preparation procedures and analytical techniques;
- Preparing, reviewing, and maintaining analytical procedures;
- Providing scientific recommendations to improve platform performance and data quality;




- Evaluating and implementing new technologies, tools, and reagents to enhance analytical capabilities and operational efficiency.

We are looking for the following minimum qualifications for this role:

- Master degree in Chemistry, Biochemistry or any other related field with at least 2 to 3 years’ experience in a Scientific position;
- PhD degree in Chemistry, Biochemistry or any other related field;
- Significant experience using LC-MS/MS and HPLC-UV with chromatographic data system;
- Very efficient time management;
- Excellent organizational, interpersonal and communication skills.

Role Specific Information:

- Transportation: Free parking. Near the Montmorency Subway. Electric vehicle charging station;
- Annual bonus based on performance;
- Schedule: Monday to Friday daytime;
- Permanent position as of the hiring, full-time 37.5hrs per week;
- Salary: The hiring range for this position is $68,000 to $98,000 per year. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications and location.

Why Charles River ?

- We offer competitive benefits and advantages from day one to support your well‑being;
- Employee and family assistance program;




- Excellent welcome program for current employees as well as in‑house advancement and career development opportunities;
- Access to a doctor and various health professionals (telemedicine);
- 4 weeks’ Vacation & 10 Personal day policy;
- Many social activities

We’re committed to providing benefits that elevate your quality of life. Based on your position these may include:

- bonus/incentives based on performance
- 401K
- paid time off
- stock purchase program
- Health and wellness coverage
- employee and family wellbeing support programs
- work life balance flexibility

If you are interested in contributing to the well‑being of our communities, not only across the country but around the world, please join us. This is Your Moment.

About Safety Assessment
Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state‑of‑the‑art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market. Each year approximately 300 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.

About Charles River
Charles River is an early‑stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory

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