Office Assistant Jobs in Ontario

Add your latest resume to match with open positions.

Office Manager

Toronto, ON
onsite
Permanent
80000 - 120000 CAD / Yearly
Manager, Office & Business Operations This individual will oversee the day-to-day administrative operations of our Toronto head office, located at Yonge & Davisville, while supporting a variety of business initiatives and special projects across the organization. The successful candidate is an energetic and resourceful professional who thrives in a dynamic environment, enjoys wearing multiple hats, and can balance operational responsibilities with project-based work. They are highly organized, proactive, and comfortable working independently while partnering with stakeholders across the business. Key Responsibilities<ul><li>Manage office administration, mail, courier services, deliveries, and logistics across the organization.</li><li>Serve as a key point of contact for employees regarding office operations, workplace services, and administrative support.</li><li>Coordinate office supply inventory, procurement activities, and vendor relationships.</li><li>Process invoices, track expenses, and support office budget management.</li><li>Oversee the day-to-day operations of the Toronto office, ensuring a professional, efficient, and welcoming workplace environment.</li><li>Assist in planning and executing office improvements, relocations, renovations, and workspace optimization initiatives.</li><li>Develop, document, and continuously improve administrative processes and operational procedures.</li><li>Lead or support special projects and cross-functional initiatives, including operational improvements, workplace enhancements, and business process optimization.</li><li>Coordinate and support internal events, meetings, employee engagement initiatives, and company-wide activities.</li><li>Prepare reports, presentations, and administrative materials for leadership as required.</li></ul>
2026-10-22T00:00:00Z

Office Manager

Mississauga, ON
onsite
Temporary
30.4 - 35.2 CAD / Hourly
We are looking for an experienced Office Manager to provide hands-on administrative and operational support for a busy team in Mississauga, Ontario. This Long-term Contract opportunity is ideal for someone who is highly organized, self-directed, and comfortable managing both executive support duties and day-to-day office coordination in a fast-paced environment. The successful candidate will bring strong judgement, attention to detail, and the ability to keep priorities moving smoothly while handling confidential information with professionalism. Responsibilities: • Provide senior-level administrative support by preparing documents, presentations, and correspondence for leadership and internal teams. • Coordinate meetings, calendars, and office events while ensuring conference rooms and shared spaces are scheduled effectively. • Manage expense submissions and reconciliation activities with accuracy, including follow-up on invoices and related records. • Oversee daily office operations such as incoming mail, package handling, storage organization, and vendor coordination. • Maintain a proactive working relationship with external service providers, including office facilities and storage partners, to support smooth operations. • Partner with internal teams such as IT to address office needs, resolve issues promptly, and improve administrative processes. • Create and maintain clear process documentation to support consistency, efficiency, and knowledge sharing across office functions. • Communicate regularly with senior leadership by providing timely updates, coordinating requests, and supporting shifting business priorities.
2026-10-22T00:00:00Z

Administrative Assistant

Oshawa, ON
onsite
Temporary
23.275 - 26.95 CAD / Hourly
We are looking for a dependable Administrative Assistant to support daily operations within a long-term care home in Ontario. This long-term contract opportunity is ideal for someone who brings strong administrative judgment, comfort with numbers, and a detail-oriented, compassionate approach when assisting residents, staff, and visitors. The successful candidate will contribute to office coordination, reception support, purchasing, and financial administration while helping maintain accurate records and efficient service across the site. Responsibilities: • Manage a range of administrative duties that support the day-to-day operation of the long-term care home, ensuring records and processes remain organized and current. • Enter supply-related information into the financial management system and help maintain accurate documentation for purchasing and inventory activities. • Reconcile credit card transactions, review supporting records, and follow up on missing or unclear items to resolve discrepancies promptly. • Monitor stock levels for nursing and office materials, place orders as needed, and coordinate the replenishment of items such as general supplies and printer cartridges. • Provide front-desk and telephone coverage when required, greeting visitors courteously and responding to inquiries with patience and courtesy. • Assist with basic banking tasks, purchase order administration, and related clerical duties that support operational and financial workflows. • Support payroll data entry tasks after training, ensuring information is submitted accurately and within required timelines. • Maintain clear communication with internal teams and demonstrate tact and sound judgment in a sensitive care environment.
2026-10-23T00:00:00Z

Executive Assistant

Kitchener, ON
onsite
Permanent
70000 - 90000 CAD / Yearly
We are hiring a highly organized and proactive Executive Assistant to support their CEO in a fast-paced and dynamic environment. This is a pivotal role for a resourceful professional who enjoys being the right hand to an executive leader, managing competing priorities, and serving as a trusted partner across the organization.The successful candidate will be a strong communicator, highly detail-oriented, and comfortable handling confidential information with discretion and professionalism.Key Responsibilities<ul><li>Provide day-to-day executive support to the CEO</li><li>Manage a complex and frequently changing calendar, scheduling meetings and appointments</li><li>Coordinate travel arrangements, itineraries, accommodations, and expense reporting</li><li>Prepare meeting agendas, presentations, correspondence, and reports</li><li>Act as a liaison between the CEO and internal/external stakeholders</li><li>Screen and prioritize incoming communications and requests</li><li>Coordinate executive meetings, leadership team meetings, and company events</li><li>Take meeting minutes and track action items as required</li><li>Organize and maintain confidential files, records, and documentation</li><li>Assist with special projects and strategic initiatives</li><li>Anticipate needs and proactively resolve administrative challenges before they arise</li></ul>
2026-10-14T00:00:00Z

Executive Assistant

London, ON
onsite
Permanent
55000 - 0 CAD / Yearly
Behind every effective Executive Director and high-performing Board is an exceptional Executive Assistant. We are seeking a dynamic and detail-oriented professional who enjoys being at the heart of a mission-driven organization, providing executive, administrative, and governance support that helps advance our impact in the community.The OpportunityThis is a pivotal role within the organization, responsible for ensuring the smooth operation of executive and governance functions. The successful candidate will be a trusted partner to senior leadership, providing executive-level administrative support while coordinating Board activities along with day to day office related responsiblities.Key ResponsibilitiesExecutive Support<ul><li>Manage the Executive Director's complex calendar, scheduling, and priorities</li><li>Coordinate meetings, prepare agendas, reports, presentations, and correspondence</li><li>Screen and prioritize communications and requests</li><li>Maintain confidential records and sensitive information with discretion</li><li>Support strategic initiatives and special projects</li><li>Prepare and distribute Board packages and supporting materials</li><li>Record and maintain accurate meeting minutes</li><li>Prepare reports, presentations, and organizational documents</li></ul>
2026-10-21T00:00:00Z

Executive Assistant

Guelph, ON
onsite
Permanent
80000 - 95000 CAD / Yearly
We are seeking an experienced Executive Assistant to provide high-level administrative and governance support to senior leadership and a Board of Directors. This role is ideal for a polished, highly organized professional who is comfortable working with executives, board members, and confidential information in a fast-paced environment. This is a hybrid opportunity located in Guelph.What you’ll do:<ul><li>Provide senior-level administrative support to executive leadership and the Board of Directors</li><li>Coordinate Board and committee meetings, including scheduling, logistics, agendas, meeting materials and follow-up</li><li>Prepare and distribute Board packages, reports, presentations and other governance materials</li><li>Record and prepare Board and committee meeting minutes, tracking decisions and action items</li><li>Maintain Board calendars, records, policies and other governance documentation</li><li>Coordinate complex executive calendars, meetings and appointments</li><li>Draft and proofread correspondence, presentations and executive-level communications</li><li>Serve as a key point of contact between executives, Board members and internal/external stakeholders</li><li>Handle sensitive and confidential information with a high level of discretion</li><li>Support special projects and other executive-level initiatives as required</li></ul>
2026-10-22T00:00:00Z

Executive Assistant

Kitchener, ON
onsite
Permanent
80000 - 90000 CAD / Yearly
A great Executive Assistant doesn't just manage calendars; they create capacity for leaders to focus on what matters most. We're looking for a polished, proactive Executive Assistant who thrives on staying one step ahead. In this role, you'll serve as a trusted partner to a senior executive, expertly managing priorities, communications, schedules, and key initiatives while bringing organization and efficiency to a fast-moving environment. What You'll DoAs the Executive Assistant, you will be the primary point of coordination for the executive's schedule, communications, and administrative priorities.Key Responsibilities:<ul><li>Manage complex calendars, scheduling meetings, appointments, and travel arrangements</li><li>Coordinate and prioritize a high volume of emails and correspondence</li><li>Prepare, review, and format presentations, reports, and executive communications</li><li>Process and reconcile executive expense reports accurately and on time</li><li>Coordinate internal and external meetings, including agendas, materials, and follow-up actions</li><li>Draft professional correspondence, meeting summaries, and other business documents</li><li>Maintain confidential information and exercise sound judgment in sensitive situations</li><li>Support special projects and strategic initiatives as assigned</li><li>Liaise with senior leaders, clients, and stakeholders on behalf of the executive</li></ul>
2026-10-22T00:00:00Z

Executive Assistant

Markham, ON
onsite
Temporary
30.4 - 35.2 CAD / Hourly
We are looking for an Executive Assistant to support senior leadership for a Contract position in Markham, Ontario. This opportunity is ideal for someone who excels at presentation preparation using advanced excel, managing complex schedules, coordinating travel, and handling administrative priorities with professionalism and discretion. The successful candidate will play a key role in keeping executive operations organized, supporting meetings and communications, and ensuring day-to-day activities run smoothly within a fast-paced electronics environment. Responsibilities:• Manage executive calendars, arrange meetings, and adjust priorities to keep leadership schedules running efficiently.• Coordinate domestic and international travel plans, including itineraries, bookings, and related logistics.• Prepare, review, and submit expense claims using approved systems while maintaining accuracy and compliance.• Support virtual and in-person meetings by organizing materials, scheduling sessions through Cisco Webex Meetings, and following up on action items.• Maintain records and administrative data within CRM and other business systems to ensure information remains current and accessible.• Assist with timekeeping and attendance-related administrative tasks using Kronos Timekeeping System and other internal tools as required.• Produce, organize, scan, and copy documents to support executive reporting, correspondence, and operational needs.• Provide day-to-day administrative support to C-suite stakeholders, handling sensitive information with a high level of confidentiality.
2026-10-26T00:00:00Z

Business Operations Assistant

Toronto, ON
onsite
Permanent
75000 - 90000 CAD / Yearly
Are you resourceful, highly organized, and comfortable using technology to keep a business running smoothly?Our client, an established, privately held commercial real estate company, is seeking a Business Operations Associate to support daily operations across its property business, affiliated design company, and related family entities.Working closely with two principals, you will coordinate business priorities, manage office services, support technology and software operations, and keep projects moving. This is a hands-on opportunity for someone who enjoys variety, takes ownership, and follows through.What You’ll Do<ul><li>Coordinate business operations: Track priorities, manage follow-ups, organize documents and approvals, and ensure outstanding items move through to completion.</li><li>Support the principals: Coordinate calendars, meetings, travel, correspondence, and event logistics, including personal and family administration as required.</li><li>Manage office services: Coordinate supplies, service providers, vendor relationships, and staff onboarding and offboarding, including accounts, devices, and access.</li><li>Oversee software administration: Maintain subscription records, user licences, renewals, and monthly spending reports for Microsoft 365, AI tools, and other business applications.</li><li>Coordinate technology support: Provide first-line assistance, escalate issues to the external IT provider, and track open tickets through resolution.</li><li>Maintain operational systems: Keep the SOP library, internal technology resources, and quick-start guides current; monitor existing low-code automations using documented procedures.</li><li>Support projects and improvements: Research suppliers, obtain quotes, coordinate purchases, and help colleagues use approved software and AI tools effectively.</li></ul>
2026-10-07T00:00:00Z

Office Operations and Executive Support Coordinator

Toronto, ON
onsite
Temporary
25 - 30 CAD / Hourly
We are looking for an Office Operations and Executive Support Coordinator to oversee daily office operations and provide administrative support to executive leadership in a hybrid work environment. This role is ideal for a highly organized, proactive professional who can manage multiple priorities while maintaining a high level of professionalism and discretion. Key Responsibilities• Manage day-to-day office operations, including supplies, equipment, shared spaces, mail, shipping, and vendor coordination• Serve as the main contact for building management, repairs, maintenance, and office service providers• Coordinate meeting logistics, catering, visitor support, and hospitality• Support onboarding and offboarding activities related to workspace setup, equipment, and office access• Assist with document preparation, data entry, office communications, and general administrative support• Reconcile corporate credit card statements, process invoices, and support purchasing and expense documentation• Maintain office health and safety and emergency preparedness materials• Provide executive support, including calendar management, travel coordination, meeting scheduling, conference registrations, and event logistics• Assist with special projects and other administrative duties as needed
2026-10-20T00:00:00Z

Receptionist

Toronto, ON
onsite
Temporary
20 - 22 CAD / Hourly
We are looking for a Receptionist to support daily front desk operations for a Financial Services environment in Toronto, Ontario. This Contract position is ideal for someone who brings a client-focused approach and can keep reception activities organized and efficient. The successful candidate will serve as the first point of contact for visitors while also handling administrative support and routine reporting with accuracy. Responsibilities: • Greet visitors courteously, assist with inquiries, and direct them to the appropriate person or department. • Manage the reception area each day to ensure smooth front desk coverage and a welcoming office environment. • Prepare and maintain Excel-based reports, keeping information accurate, current, and well organized. • Issue visitor or employee access passes in accordance with established office procedures. • Answer incoming communications and relay messages clearly and promptly to the relevant team members. • Provide administrative assistance with general clerical tasks such as filing, data entry, and document handling. • Support day-to-day office coordination by helping maintain orderly processes and high service standards.
2026-10-23T00:00:00Z

Receptionist

Concord, ON
onsite
Permanent
55000 - 60000 CAD / Yearly
We are looking for a detail-oriented and approachable Receptionist to support daily front desk operations in Ontario. This role is ideal for someone who enjoys creating a positive first impression, keeping the reception area organized, and assisting with a range of administrative tasks. The successful candidate will help ensure visitors, employees, and deliveries are handled efficiently while contributing to a smooth and welcoming office environment. Responsibilities: • Welcome visitors and direct them appropriately while providing courteous and attentive service at the front desk. • Respond to incoming questions in person, by phone, and through email, resolving routine matters and forwarding more complex concerns to the right team. • Oversee access to the office by following entry procedures and supporting badge coordination for staff and guests. • Keep the reception and common front office areas tidy, presentable, and ready for daily business activities. • Arrange meeting room bookings, support parking coordination, and help manage visitor logistics throughout the day. • Sort incoming mail, prepare outgoing packages, and coordinate courier pickups and deliveries. • Track office supply levels, place replenishment requests when needed, and help maintain orderly storage of materials. • Provide administrative assistance through data entry, document filing, and record organization to support office efficiency.
2026-10-20T00:00:00Z

Receptionist

Don Mills, ON
onsite
Temporary
19 - 22 CAD / Hourly
We are looking for a welcoming and detail-oriented Receptionist to support daily front-desk operations for a non-profit organization in Don Mills, Ontario. This Contract position is ideal for someone who enjoys creating a positive first impression, managing administrative tasks with accuracy, and keeping office communications running smoothly. The successful candidate will provide dependable service to visitors, staff, and callers while helping maintain an organized and efficient office environment. Responsibilities: • Greet visitors and respond to incoming inquiries in a courteous and efficient manner, ensuring a positive experience for everyone entering or contacting the office. • Manage a multi-line phone system by directing calls appropriately, taking clear messages, and handling routine questions efficiently. • Coordinate appointments and maintain calendars to support smooth scheduling across the office. • Prepare, review, and send email communications and basic office correspondence with accuracy and professionalism. • Enter information into internal records and spreadsheets while maintaining strong attention to detail and data accuracy. • Organize and maintain physical and electronic files so documents remain accessible, current, and well structured. • Provide general administrative assistance using Microsoft Word, Excel, and Outlook to support day-to-day office operations.
2026-10-21T00:00:00Z

Legal Secretary

Vaughan, ON
onsite
Temporary
45.391 - 52.558 CAD / Hourly
We are looking for a Legal Secretary to support a busy legal team in Ontario. This long-term contract opportunity is ideal for someone who thrives in a fast-paced environment and can manage administrative and legal support duties with accuracy and discretion. The successful candidate will play an important role in document preparation, calendar coordination, and file management while helping keep legal operations organized and on schedule. Responsibilities: • Prepare, format, revise, and finalize a variety of legal documents, correspondence, and litigation materials with a high degree of accuracy. • Maintain lawyers’ calendars by arranging meetings, tracking deadlines, and coordinating key dates through legal docketing tools such as CompuLaw. • Organize, update, and manage physical and electronic case files using case management systems to ensure records remain accessible and current. • Support litigation processes by assembling pleadings, filing materials, and monitoring documentation requirements for active matters. • Use software such as Aderant and Adobe Acrobat to assist with document handling, editing, billing-related tasks, and production workflows. • Retrieve and verify property or registration-related information through systems such as ACRIS when required for legal matters. • Handle high-volume scanning, photocopying, and document distribution while maintaining confidentiality and file integrity. • Communicate with internal staff, legal professionals, and external contacts clearly and effectively to support the progress of legal work.
2026-10-26T00:00:00Z

Accounting Clerk

Mississauga, ON
onsite
Permanent
55000 - 63000 CAD / Yearly
We are looking for an Accounting Clerk to join a manufacturing organization in Mississauga, Ontario. This position supports day-to-day financial operations by handling payables, maintaining accurate transaction records, and assisting with reconciliations and reporting. The successful candidate will contribute to smooth accounting processes while working closely with internal teams to ensure timely and accurate financial information. Responsibilities: • Manage the full cycle of vendor invoice administration, including entry, verification, and preparation of payments. • Process employee expense submissions through Concur and confirm compliance with company guidelines. • Maintain accurate records of banking activity, such as deposits, withdrawals, and corporate credit card transactions. • Examine freight, courier, and shipping invoices to ensure charges are properly documented and coded. • Assist with accounts payable reconciliations and provide support for routine accounting activities across the department. • Contribute to reporting and analysis by reviewing shipment-related costs and matching invoicing details between payables and receivables. • Work within Epicor to complete accounting tasks and adapt to updated system tools and workflows. • Support the implementation and day-to-day use of automation and AI-enabled accounting processes within the team.
2026-10-21T00:00:00Z

15 results for Office Assistant in Ontario