Office Administrator Jobs in Oakville, ON

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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.
2026-10-28T00:00:00Z

Administrative Assistant

Toronto, ON
onsite
Temporary
19 - 22 CAD / Hourly
We are looking for a Contract Administrative Assistant to support day-to-day workplace operations in Toronto, Ontario. This position plays an important role in creating an organized, detail-focused, and welcoming office environment for employees and visitors. The successful candidate will help coordinate administrative activities, maintain office resources, and ensure the workspace runs efficiently. Responsibilities: • Welcome employees, guests, and service providers while maintaining a courteous and positive front-office experience. • Support workplace events by arranging room setup, coordinating catering, liaising with external vendors, and keeping event schedules current. • Monitor kitchen and pantry inventory, replenish supplies as needed, and help keep shared areas clean, stocked, and functional. • Carry out routine inspections of office spaces to identify housekeeping, safety, or maintenance concerns and follow up as required. • Apply workplace procedures consistently and escalate building, cleaning, or repair issues to the appropriate teams. • Work closely with facilities, janitorial staff, and internal contacts to address operational needs and maintain a well-managed office environment. • Maintain administrative records, update tracking documents and databases, and prepare reports with accuracy and attention to detail. • Provide general office support through email communication, appointment scheduling, call handling, and data entry tasks. • Assist with basic upkeep of shared office equipment and help ensure common workplace resources remain in good working order.
2026-10-26T00:00:00Z

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
2026-10-28T00:00:00Z

Admin Coordinator / Executive Assistant

Toronto, ON
onsite
Permanent
70000 - 80000 CAD / Yearly
Job Title: Management AssistantSalary: $70-$80k Location: Toronto, Ontario Job Type: Full-time, Permanent Job Summary:Robert Half Canada is recruiting on behalf of our client, a global Asset Management firm for a Management Assistant opportunity in Toronto. This role is ideal for an organized and adaptable administrative professional who enjoys supporting office operations and senior team members in a fast-paced corporate environment. Key Responsibilities<ul><li>Coordinate meetings and events, including scheduling, preparing meeting materials, booking conference rooms, arranging catering, and ensuring meeting spaces are set up and equipped for a seamless experience.</li><li>Provide administrative support to leadership team members, assisting with document preparation, correspondence, reporting, special projects, and ad hoc administrative requests as needed.</li><li>Manage complex calendars and scheduling for senior leaders, coordinating internal and external meetings across multiple time zones, resolving scheduling conflicts, and ensuring efficient time management.</li><li>Coordinate domestic and international travel arrangements, including flights, and accommodations ensuring compliance with company policies.</li><li>Prepare, reconcile, and maintain expense reports and corporate credit card records.</li><li>Maintain confidential records, files, and administrative documentation while exercising a high degree of professionalism, discretion, and attention to detail.</li><li>Serve as a key point for greeting visitors and external clients.</li></ul>
2026-10-28T00:00:00Z

Accounting and Office Manager

Brampton, ON
onsite
Permanent
75000 - 80000 CAD / Yearly
Job Title: Accounting and Office ManagerSalary: $75-$80kLocation: Brampton, OntarioJob Type: Full-time, Permanent Job Summary: Robert Half Canada is seeking a dependable and detail-focused Accounting and Office Manager on behalf of our client in the healthcare/senior care industry. This position combines accounting responsibilities with office administration and is well suited for someone who enjoys managing financial processes, supporting daily operations, and helping maintain an organized and efficient workplace. Key Responsibilities:<ul><li>Oversee daily accounting operations, including accounts payable, accounts receivable, invoicing, and reconciliations</li><li>Prepare journal entries and assist with month-end and year-end close activities</li><li>Maintain general ledger accuracy and supporting financial documentation</li><li>Support budgeting, reporting, and cash flow tracking</li><li>Coordinate payroll-related administration in collaboration with internal or external providers</li><li>Monitor office operations, supplies, vendor relationships, and administrative processes</li><li>Maintain organized records, files, and internal documentation</li><li>Support leadership with administrative and financial reporting tasks</li><li>Help ensure compliance with internal controls, policies, and relevant regulations</li><li>Identify opportunities to improve accounting and office processes</li></ul>
2026-09-25T00:00:00Z

Payroll Administrator

York Region, ON
onsite
Permanent
75000 - 95000 CAD / Yearly
About the Opportunity Robert Half Canada has partnered with an organization in the transportation, haulage, and logistics industry to hire a Payroll Administrator. This role is ideal for a detail-oriented payroll professional with experience managing payroll processes in a deadline-driven environment. The successful candidate will support accurate and timely payroll administration while maintaining compliance with company policies and applicable legislation. Key Responsibilities<ul><li>Process payroll accurately and on schedule for hourly, salaried, and, where applicable, unionized employees</li><li>Maintain employee payroll records, including new hires, terminations, rate changes, deductions, and benefits updates</li><li>Review and verify timesheets, attendance records, and payroll-related data for accuracy and completeness</li><li>Administer statutory deductions, remittances, and year-end payroll reporting, including T4s and related documentation</li><li>Respond to employee payroll inquiries in a professional and timely manner</li><li>Reconcile payroll accounts and assist with month-end reporting and related journal entries</li><li>Support payroll audits and maintain payroll documentation in an organized and confidential manner</li><li>Coordinate with Human Resources, Accounting, and operational teams to ensure accurate payroll processing</li><li>Monitor compliance with applicable employment standards, payroll legislation, and internal controls</li><li>Identify opportunities to improve payroll procedures and reporting processes</li></ul>
2026-10-08T00:00:00Z

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

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>
2026-10-27T00:00:00Z

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.
2026-10-27T00:00:00Z

Bookkeeper

Hamilton, ON
onsite
Permanent
50000 - 60000 CAD / Yearly
We are looking for a meticulous Bookkeeper to join a respected construction company in Hamilton, Ontario. In this role, you will support day-to-day accounting operations with a strong focus on payables, payroll accuracy, and timely financial recordkeeping. This opportunity is ideal for someone who thrives in a deadline-driven environment and enjoys contributing to a collaborative finance team. Responsibilities:• Review incoming invoices, match them to supporting documents, and ensure amounts and approvals are accurate before processing• Administer weekly payroll for employees and applicable contractors while maintaining precise records and meeting scheduled deadlines• Calculate and submit statutory payroll deductions and assist with year-end payroll reporting, including preparation of required tax slips• Reconcile accounts payable records, investigate discrepancies, and follow up with suppliers to resolve outstanding issues• Maintain organized vendor information and coordinate payment runs to support prompt and accurate disbursements• Contribute to month-end and year-end accounting activities by preparing reconciliations and supporting financial reporting• Provide additional bookkeeping and administrative assistance as needed to support the accounting function
2026-10-21T00:00:00Z

12 results for Office Administrator in Oakville, ON