Top Administrative Assistant Jobs in Toronto

Provides senior administrative support to assigned business areas, including calendar and meeting coordination, travel logistics, expense reporting, purchase-to-pay processes, vendor setup, onboarding, confidential information management, and team event support. Serves as a K2, Ariba, and meeting room AV/IT super user while coordinating administrative coverage and process improvements. Requires strong organization, communication, attention to detail, and proficiency with Microsoft Office.

Provides administrative support for a hospital diabetes research program by coordinating clinical sample shipments, patient visits, tests, travel arrangements, study compensation, calendars, records, appointments, reports, supplies, and office operations. The role requires accurate data entry, document preparation, confidential information handling, strong organization, communication, and independent teamwork in a clinical research environment.

Provides comprehensive administrative and operational support to the Princess Margaret Commercialization team. Responsibilities include calendar and meeting coordination, agreement and database record maintenance, shared inbox management, front-desk reception, communications, expense support, project assistance, and process improvement. The role requires strong organization, accuracy, discretion, customer service, communication, and proficiency with Microsoft Office and electronic document systems.

Provides complex administrative and secretarial support for an ICU clinical team, including calendar and schedule management, meeting coordination, document preparation, staff supervision, budget and payroll support, staffing data tracking, recruitment coordination, filing systems, and office operations. Maintains a large interprofessional clinical schedule and supports onboarding, forecasting, and compliance with occupational health and safety requirements.

Provides administrative support for outpatient mental health and addiction clinics, including patient appointment scheduling, reminder calls, waitlist management, referral processing in Epic, data reporting, and patient inquiries. The role supports multidisciplinary teams, referring providers, and administrative cross-coverage while maintaining accurate, timely work and positive patient experiences.

Provides administrative support to laboratory managers and analysts by receiving, logging, reviewing, processing, and distributing environmental samples. Maintains chain-of-custody records in LIMS, performs sample quality control, coordinates shipping and receiving, enters analytical data, prepares reports and invoices, and supports timely client reporting. Acts as a liaison between clients and laboratory staff while responding to questions and managing administrative tasks in a high-volume environment.

Provides administrative and office support to the on-site Property Manager, including meeting coordination, documentation, supplies, equipment servicing, project tracking, file management, tenant notices, purchase orders, invoice coding, and correspondence. Requires strong Microsoft Office skills, accurate typing, organization, communication, customer service, and basic accounting knowledge. The role is based onsite in Toronto and supports property management operations.

The Administrative Assistant III will manage schedules, travel arrangements, and logistics for executives, ensuring efficient administrative support in a fast-paced environment.

Provides high-level administrative and operational support to senior executives, including calendar management, meeting coordination, travel arrangements, correspondence, document preparation, and event planning. Coordinates executive priorities and strategic initiatives, tracks action items and timelines, maintains confidential records, and supports stakeholders and visitors. Requires exceptional organization, communication, discretion, problem-solving, and time-management skills in a fast-paced hybrid environment.

Provide administrative and document-control support across multiple construction projects: manage meeting logistics/minutes, maintain SharePoint and Procore records, support subcontract/purchase order tracking, assist billing and job-cost entries, prepare client reports, coordinate project closeout, and support site and project teams with ad hoc administrative tasks.

Provide comprehensive executive and personal administrative support to the Canadian President and Global CEO. Responsibilities include calendar and travel management, confidential communications, briefings, reports, presentations, meeting and event coordination, vendor and household logistics, action-item tracking, and special projects. The role requires discretion, proactive problem-solving, strong organization, and the ability to manage competing priorities while improving administrative efficiency and delivering high-touch executive support.

The Administrative Assistant will provide operational support to the Portfolio Leader and Director of Corporate Development, manage data and processes in Salesforce, create high-quality presentations, and assist with internal communication and administrative tasks.

Provide high-level administrative support including calendar and travel management, purchase-to-pay processing, expense reporting, onboarding coordination, meeting logistics (AV/IT), and confidential information handling. Serve as K2 and Ariba super user, support team events, and collaborate on continuous improvement and backup coverage.

Provide general administrative support including greeting visitors, answering calls, managing mail, records, supplies, scheduling meetings and travel, assisting HR tasks, liaising with vendors, tracking budgets, and other office duties to ensure smooth operations.