Medical Office Administration jobs in Mississauga, ON

Requisition Number: 8264

Position: Administrative Services Clerk

Status: Casual

Number of Vacancies: 1

Department: Patient Registration

Role Level: CUPE-A02: $23.936 – $29.333 per hour

Site: Credit Valley Hospital*

Work Model: On-Site

Shift/Hours of Work: Monday to Friday (5:30 am-4:30 pm), occasional Sundays (6 am-10am)

Posted: October 20, 2026

Deadline: October 27, 2026

*The location of any vacancy/position may be changed or reassigned as per operational needs.

Trillium Health Partners is one of Canada’s largest community-based teaching hospitals, serving the growing and diverse populations of Mississauga, West Toronto, and surrounding communities through the Credit Valley Hospital, the Mississauga Hospital, the Queensway Health Centre, the Reactivation care Centre (Church Site) and the new THP-UHN Reactivation Care Centre. Guided by our values of compassion, excellence, and courage, and through our strategic roadmap, Plan to 2030 , we are creating a new kind of health care - defined not by illness, but by the health and well-being of people and communities.

Job Description:

Reporting to the Manager of Patient Registration, the Registration Associate provides quality customer service for patients through the process of registration. This position is responsible for capturing and recording of accurate demographic and financial information and applying positive patient identification practices. The Patient Registration Associate is often the first contact for patients and will conduct their job duties with a focus on the patient and family. They will act from a customer service perspective in all interactions and work to support and collaborate with care providers.

Qualifications:

• A related college diploma such as Medical Office Administration or equivalent required
• Medical Terminology required
• Previous hospital registration experience preferred
• Demonstrated ability to work independently, and remain calm under stress
• Must possess effective communication and interpersonal skills to respond to the staff and public
• Superior organizational and multi-tasking skills are essential
• Must be able to work cooperatively with others in a team environment
Satisfactory attendance and performance record required

To pursue this career opportunity, please visit our website: www.trilliumhealthpartners.ca

Internal Candidates who believe they possess the necessary qualifications and experience for this position and who have been in their current position for at least six (6) months are encouraged to apply.

Candidates are selected on the basis of their skill, ability, experience and qualifications.

Where these factors are relatively equal seniority shall govern providing the successful applicant.

Trillium Health Partners’ (THP) is an equal opportunity employer who values the importance of antiracism work and is committed to integrating antiracism, diversity, equity and inclusion best practices throughout THP operations, policies and culture. Therefore, we ask that even if you do not see yourself fully reflected in every job requirement listed on this posting, we still encourage you to reach out and apply. Research has shown that candidates from underrepresented groups often only apply when they feel 100% qualified. We encourage all applicants who are members of groups that have been marginalized on any grounds enumerated under the Ontario Human Rights Code based on race, gender identity or expression, sex, sexual orientation, disability, political belief, religion, marital or family status, age, and/or status as a First Nations, Métis or Inuk/Inuit person to consider this opportunity.

In accordance with the Accessibility for Ontarians with Disabilities Act, 2005 and the Ontario Human Rights Code Trillium Health Partners will provide accommodations throughout the recruitment and selection process to applicants with disabilities. If selected to participate in the recruitment and selection process, please inform Human Resources of the nature of any accommodation(s) that you may require in respect of any materials or processes used to ensure your equal participation.

All personal information is collected under the authority of the Freedom of Information and Protection of Privacy Act.

Trillium Health Partners is identified under the French Language Services Act.

Our organization may use automated tools, including artificial intelligence (AI) or algorithm-assisted systems, to support the initial review of applications. These tools are used only to assist our recruiters and hiring managers; all hiring decisions include meaningful human involvement and final review.

We thank all those who apply but only those selected for further consideration will be contacted.