Office Manager Jobs in Oshawa, ON

Accounting and Office Manager

Brampton, Ontario
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

Operations Manager

Vaughan, Ontario
onsite
Permanent
80000 - 120000 CAD / Yearly
We are looking for an Operations Manager to lead the daily administration and operational performance of our branch in Vaughan, Ontario. This position oversees staff leadership, planning, budgeting, and cross-functional coordination while ensuring local activities remain aligned with broader corporate standards and international priorities. The successful candidate will bring strong organizational judgement, financial oversight, and the ability to manage facilities, vendors, and reporting processes in a structured environment. Responsibilities:• Direct the day-to-day operations of the Hub, providing leadership, guidance, and performance oversight for the local team.• Prepare the annual operating plan and budget forecast in partnership with finance stakeholders, and support submission for leadership review and approval.• Coordinate workforce planning, recruitment activities, onboarding, and employee documentation while ensuring compliance with employment standards and internal policies.• Manage office and laboratory space requirements, including site setup, equipment needs, and ongoing facility operations in a cost-conscious manner.• Oversee purchasing activities for operational and project-related needs, maintaining proper approvals, documentation, and separation of responsibilities throughout the procurement process.• Liaise with technology teams to arrange system access, equipment provisioning, and information security support for Hub employees and operations.• Support project start-up and delivery processes by coordinating project identifiers, confirming scope and funding details, and maintaining accurate reporting on time, effort, and costs.• Monitor external partnerships and agreements to ensure appropriate internal approvals are obtained and that contractual obligations, confidentiality terms, and reporting commitments are followed.• Track financial performance against approved budgets, assist with intercompany invoicing and cost reporting, and contribute to audit readiness when required.• Maintain regular communication with key teams across regions, including Germany, to align priorities, resolve operational dependencies, and keep stakeholders informed of progress.
2026-09-30T00:00:00Z

Payroll Manager

Toronto, Ontario
onsite
Temporary
45 - 60 CAD / Hourly
About the OpportunityOur client, a large and complex organization with a high-volume workforce, is seeking an experienced Payroll Manager to provide leadership and operational oversight for its payroll function during a critical period of transition and support. This is an excellent opportunity for a payroll leader with experience managing large employee populations and leading payroll teams within complex organizational environments. The successful candidate will play a key role in ensuring payroll accuracy, legislative compliance, process improvements, and stakeholder collaboration. Location: Toronto, ON (Trinity Bellwoods Area)Work Model: Hybrid (3 days onsite)Duration: Up to 6 Months Contract Key Responsibilities<ul><li>Lead and oversee the end-to-end payroll function for a large employee population.</li><li>Manage, mentor, and support a team of payroll professionals, ensuring timely and accurate payroll processing.</li><li>Review payroll controls, reconciliations, and compliance procedures to ensure adherence to federal and provincial legislation.</li><li>Oversee payroll-related audits, account reconciliations, year-end activities, and regulatory reporting.</li><li>Partner with Finance, Human Resources, IT, and other internal stakeholders to resolve payroll issues and implement process improvements.</li><li>Analyze payroll data and reports, identify risks, and recommend operational efficiencies.</li><li>Ensure compliance with applicable employment standards, payroll legislation, tax requirements, and organizational policies.</li><li>Support payroll system optimization and troubleshooting initiatives.</li><li>Provide leadership during periods of change, system enhancements, or business transformation activities.</li></ul>
2026-09-24T00:00:00Z

Operations Manager (Manufacturing)

Vaughan, Ontario
onsite
Permanent
110000 - 120000 CAD / Yearly
Our client, a growing manufacturing organization, is seeking a Operations Manager (Manufacturing) to lead and optimizing all aspects of manufacturing operations to achieve business objectives related to safety, quality, productivity, delivery, and profitability. This role provides leadership to production supervisors and cross-functional teams while driving operational excellence through Lean Manufacturing principles, data-driven decision-making, cost reduction initiatives, and continuous improvement. The Operations Manager will collaborate closely with Sr. Leadership to develop operational strategies, improve plant performance, maximize resource utilization, and support long-term growth. The successful candidate will be a hands-on leader with strong analytical capabilities, exceptional business acumen, and a proven track record of improving manufacturing efficiency through Lean methodologies and operational best practices. Key Responsibilities<ul><li>Lead daily manufacturing operations to achieve safety, quality, delivery, productivity, and profitability targets.</li><li>Provide leadership, coaching, and direction to production supervisors and operational teams.</li><li>Analyze operational and financial performance data to identify cost reduction opportunities and improve plant efficiency.</li><li>Establish and monitor KPIs to support data-driven decision-making and continuous improvement.</li><li>Champion Lean Manufacturing initiatives including 5S, Kaizen, root cause analysis, waste reduction, and process optimization.</li><li>Partner with the Sr. Leadership on budgeting, forecasting, capital planning, and operational strategy.</li><li>Oversee production planning, resource allocation, and materials flow to ensure on-time delivery and optimal plant performance.</li><li>Collaborate with Quality, Maintenance, Supply Chain, and Production teams to improve operational effectiveness.</li><li>Develop high-performing teams through coaching, accountability, and employee engagement.</li><li>Promote a strong culture of safety, compliance, operational excellence, and continuous improvement.</li></ul>
2026-09-14T00:00:00Z

Administrative Assistant

Mississauga, Ontario
remote
Temporary
22 - 24 CAD / Hourly
We are looking for an Administrative Assistant to join a mission-driven team in Mississauga, Ontario on a Long-term Contract basis. In this role, you will provide responsive support to donor-related inquiries, maintain accurate records, and help ensure administrative processes run smoothly across multiple systems. This opportunity is well suited to someone who is organized, adaptable, and comfortable managing detailed work in a fast-paced environment. Responsibilities: • Respond to donor questions and support requests with professionalism, empathy, and timely follow-up across phone and email channels. • Update, maintain, and audit donor information in internal systems to help preserve complete and reliable records. • Investigate and resolve duplicate entries to improve database quality and support overall data integrity. • Assist with tax receipt administration, including processing adjustments and handling related record changes accurately. • Use ticketing platforms such as Freshdesk to log inquiries, monitor progress, and close requests efficiently. • Complete account maintenance and record change requests with close attention to detail and established service standards. • Review information in Excel files, validate details, and transfer corrected data into database platforms as needed. • Support ongoing administration across Microsoft 365, Dynamics, DonorDash, and related tools while helping the team manage changing priorities.
2026-09-30T00:00:00Z

Accounting Manager

Burlington, Ontario
onsite
Permanent
85000 - 95000 CAD / Yearly
We are seeking an experienced, detail-oriented Accounting Manager to join our finance team in Burlington, ON. This position is responsible for managing the organization's day-to-day accounting functions while ensuring accurate financial reporting and supporting month-end and year-end close activities. The successful candidate will play a key role in maintaining the integrity of the company's financial records and providing reliable financial information to support business decisions. This is an excellent opportunity for someone who enjoys working independently while collaborating closely with leadership in a dynamic, manufacturing environment. Key Responsibilities<ul><li>Manage full-cycle bookkeeping and accounting functions</li><li>Maintain the General Ledger and ensure accuracy of all financial transactions</li><li>Prepare monthly, quarterly, and annual financial statements in accordance with GAAP</li><li>Complete month-end and year-end closing activities, including journal entries and account reconciliations</li><li>Perform bank, balance sheet, and intercompany reconciliations</li><li>Maintain prepaid expense, accrual, inventory, and fixed asset schedules</li><li>Process accounts payable and accounts receivable, ensuring timely and accurate recording of transactions</li><li>Prepare and process bi-weekly payroll while maintaining payroll records- 80 Employees- Non Union- Dayforce</li><li>Coordinate statutory remittances and government filings including HST, WSIB, garnishments, and other required submissions</li><li>Reconcile sub-ledgers to the General Ledger</li><li>Manage cash receipts, bank deposits, petty cash, and cash reconciliations</li><li>Maintain accurate accounting documentation and supporting records</li><li>Assist with management reporting by providing financial analysis and insights</li><li>Maintain personnel files and payroll-related documentation as required</li><li>Support audits and ensure compliance with accounting policies and internal controls</li><li>Participate in special projects and perform additional accounting duties as assigned</li></ul>
2026-09-25T00:00:00Z

Accounting Manager

Toronto, Ontario
onsite
Permanent
110000 - 120000 CAD / Yearly
Accounting Manager Our client is seeking a hands-on Accounting Manager to take full ownership of the accounting and financial reporting function for a key division within their organization. This is an excellent opportunity for a collaborative leader who enjoys balancing day-to-day accounting responsibilities with strategic business partnership, team leadership, and process improvement initiatives.The successful candidate will serve as a trusted partner to operational and senior leadership teams, providing financial insight, ensuring the integrity of financial results, and driving accountability across the division. Key Responsibilities<ul><li>Take ownership of the full financial results and accounting operations for a designated business division.</li><li>Lead all month-end, quarter-end, and year-end close activities, ensuring accurate and timely financial reporting.</li><li>Prepare, review, and analyze monthly, quarterly, and annual financial statements.</li><li>Oversee the general ledger, accounts payable, accounts receivable, and fixed asset accounting functions.</li><li>Provide financial guidance and support to operational leaders, helping translate financial results into actionable business insights.</li><li>Partner with leadership on budgeting, forecasting, financial planning, and variance analysis.</li><li>Maintain strong internal controls and ensure compliance with accounting policies and regulatory requirements.</li><li>Coordinate external audit activities and act as the primary liaison with auditors.</li><li>Identify opportunities to streamline processes, improve efficiencies, and enhance reporting capabilities.</li><li>Lead, mentor, and develop accounting staff, fostering a culture of accountability, collaboration, and continuous improvement.</li></ul>
2026-09-23T00:00:00Z

Receptionist & Office Assistant

Toronto, Ontario
onsite
Permanent
50000 - 60000 CAD / Yearly
Robert Half Canada is supporting a client in the search for a Receptionist & Office Assistant. This opportunity is well suited to someone who is organized, approachable, and attentive to detail, with a strong commitment to providing professional front-office and administrative support. Key Responsibilities<ul><li>Welcome visitors, clients, and team members in a professional and respectful manner</li><li>Answer, screen, and direct incoming phone calls and email inquiries</li><li>Maintain reception and common areas to support a clean, organized, and welcoming workplace</li><li>Manage incoming and outgoing mail, courier deliveries, and office shipments</li><li>Provide general administrative support, including data entry, filing, scanning, and document preparation</li><li>Schedule meetings, book boardrooms, and assist with calendar coordination</li><li>Order and track office supplies and support vendor coordination as needed</li><li>Assist with internal office operations and provide support to various departments</li><li>Maintain accurate records while handling sensitive information with discretion</li><li>Support special projects and other administrative tasks as assigned</li></ul>
2026-09-11T00:00:00Z

8 results for Office Manager in Oshawa, ON