Senior Payroll Specialist ( contract )

Req ID #:  215006

Montreal (Senneville), Quebec, CA, H9X 3R3

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.


IMPORTANT:   In order to be considered for this position, a resume/CV must be uploaded and submitted during the application process.  Please make sure work history and education are added correctly.   


Job Summary


As a Senior Payroll Specialist for our Human Resources team at our Senneville site, you will be responsible for administering the Canadian payroll function, ensuring timely and accurate payroll processing. The incumbent of this role will also take on/lead process improvement initiatives.



In this role, primary responsibilities include: 


  • Process, reconcile and audit bi-weekly payroll for Canada employees 
  • Perform remittances related to payroll (RRSP, alimony, etc.) 
  • Make changes and additions to group insurance premiums when required 
  • Prepare special “off-cycle” payroll runs for bonus and stock options 
  • Audit ADP Workforce Now and SuccessFactors data and resolve variances
  • Manage quarterly and annual pension audits 
  • Provide payroll level 2 and 3 support 
  • Collaborate/lead process improvement initiatives (SAP Timesheets and ADP WFN) 
  • Participate in the preparation of year-end audit files related to payroll 

Key Elements


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


  • DEC in Administration or any combination of experience and academic background relevant to the position will be considered; 
  • 8 to 10 years of relevant experience; 
  • Certification/Licensure: Member of the Canadian Payroll Association (an asset); 
  • Demonstrates an interest in the development and implementation of control and reporting practices. Good knowledge of the laws, principles, practices and procedures related to the position. Fluency in both languages (French and English), both oral and written. Good organizational, communication and interpersonal skills. Good analytical, problem-solving skills. Ability to work to deadlines and adapt to change. Proactive approach 

Why Charles River ?



  • Competitive benefits as of the hiring. We pay up to 85% of premiums (health & dental coverage)  
  • Paid development training
  • Employee and family assistance program
  • Access to a doctor and various health professionals (telemedicine)
  • Vacation & Personal day policy 
  • Many social activities

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!  

IMPORTANT: A resume is required to be considered for this position. If you have not uploaded your resume in your candidate profile, please return to upload field and attach your resume/CV. 

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 120 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 Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.


With over 20,000 employees within 110 facilities in 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges. Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world. 

At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. We have proudly supported the development of 86% of the drugs approved by the FDA in 2021.


Equal Employment Opportunity
Charles River Laboratories is an Equal Opportunity Employer - all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.


If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e-mail message to This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.

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