Ontario Office managers Jobs – 379 Openings This Week

Office Manager / Bookkeeper
Horn IT Solutions Inc. —Whitby, ON
- $75,000–$85,000 a year
- Full-time
- Hybrid work
- QuickBooks
- Organizational skills
- Contracts
- Dental care
- Paid time off
Quick apply
Dental Office Manager
Aspire Dental Management —London, ON
- $70,000–$80,000 a year
- Full-time
- Inventory management
- Recruiting
- Front desk
- Mileage reimbursement
- Dental care
Quick apply
3d
Office Administrator
The Fireplace King —Huntsville, ON
- $50,000–$60,000 a year
- Full-time
- Microsoft Excel
- Administrative experience
- QuickBooks
- Dental care
Quick apply
Office Manager
Total Sanitation Services —Sarnia, ON
- $70,000–$80,000 a year
- Temporary
- Continuous improvement
- Accounting
- Computer skills
Quick apply
Operations Coordinator
Ice River Sustainable Solutions —Grafton, ON
- $60,000–$72,000 a year
- Human resources
- Data entry
- Recruiting
Accountant and Office Manager
Sylvite Agri-Services Ltd —Putnam, ON
- $70,000–$80,000 a year
- Full-time
- Microsoft Excel
- Microsoft Office
- Accounting
- Disability insurance
- Dental care
Quick apply
Office Manager/Administration
Aquilon Foot Clinic —Greater Sudbury, ON
- From $25 an hour
- Full-time
- Bilingual
- Medical office experience
- QuickBooks
- Dental care
Quick apply
3d
Office Administrator
JG Barrette Electric Ltd —Hawkesbury, ON
- $45,000–$60,000 a year
- Full-time
- Microsoft Outlook
- English
- High school diploma or GED
- Profit sharing
- Dental care
Quick apply
Operations Coordinator
Spectramedx Inc. —Waterloo, ON
- $20–$24 an hour
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Paid time off
Quick apply
Assistant Office Manager
B&L Farm Services —Walters Falls, ON
- $22–$25 an hour
- Full-time
- Customer service
- Data entry
- In-person
Quick apply
3d
Office Manager
Pretty River Academy —Collingwood, ON
- $52,000–$60,000 a year
- Full-time
- Google Suite
- English
- Microsoft Office
- Dental care
- Vision care
Quick apply
5d
Operations Manager - administrative services (Health & Safety Manager)
STRABAG Inc. —York, ON
- $55.64 an hour
- Full-time
- Writing skills
- English
- Microsoft Office
- Dental care
- Paid time off
Quick apply
Office Administrator
Erieview Acres Inc —Kingsville, ON
- $20 an hour
- Full-time
- English
- Administrative experience
- High school diploma or GED
- Dental care
- Vision care
Quick apply
Office Manager & Full-Cycle Bookkeeper
Labourly —Strathroy, ON
- $60,000–$64,000 a year
- Full-time
- Accounting
- QuickBooks
- Contracts
- Designated paid holidays
Quick apply
6d
Branch Growth & Operations Manager (Real Estate Brokerage)
The HR Pro —Toronto, ON
- $80,000–$120,000 a year
- Business development
- Team management
- Human resources
Quick apply
Branch Manager
FirstOntario Credit Union —St. Catharines, ON
- $81,110–$111,527 a year
- Full-time
- Customer service
- Microsoft Office
- Finance
- Employee assistance program
Quick apply
Branch Manager
FirstOntario Credit Union —Cayuga, ON
- $69,931–$96,155 a year
- Full-time
- Hybrid work
- Customer service
- Microsoft Office
- Finance
- Employee assistance program
Quick apply
14d
Bookkeeper
Downs Barristers & Solicitors —London, ON
- $50,000–$75,000 a year
- Contract
- Administrative experience
- Organizational skills
- In-person
- Dental care
Quick apply
Office Manager
Confidential —Mississauga, ON
- $55,000–$65,000 a year
- Full-time
- Google Suite
- Inventory management
- Microsoft Office
- Disability insurance
- Dental care
Quick apply
Branch Manager
AccessSMT —Concord, ON
- From $110,000 a year
- Full-time
- ERP systems
- Microsoft Office
- Business development
- Dental care
- Employee assistance program
Quick apply

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Office Manager / Bookkeeper

Horn IT Solutions Inc.
Whitby, ON

Quick apply

Job details

Permanent | Full-time
$75,000–$85,000 a year

Qualifications

Accounts receivable
Contract management
Accounts payable
Operations management
Supplier management experience
Financial reporting
Process improvement
General ledger maintenance
QuickBooks Online
QuickBooks
Organizational skills
Contracts
Accounts receivable processing
Finance and accounting experience
Office management
Credit card reconciliation
Payroll processing
Business process improvement

Full job description

About Horn IT

Horn IT Solutions is a managed IT services provider delivering standardized, scalable, and security-first IT environments for our clients. Our service model emphasizes operational consistency, strong governance, and high-quality client experience across all engagements.

As we continue to grow, we are seeking a highly organized and detail-oriented Office Manager / Accounting & Operations Coordinator to take ownership of our financial operations and administrative functions.

Role Overview

This role is responsible for managing the day-to-day financial operations of the business, including accounts receivable/payable, bookkeeping, payroll coordination, and compliance reporting. In addition, the role supports key operational functions such as client billing, contract management, and vendor administration.

This is a critical role that ensures financial accuracy, operational discipline, and a smooth administrative backbone for the organization.

Key Responsibilities

Accounting & Financial Operations

Manage Accounts Receivable (AR) and Accounts Payable (AP) processes end-to-end
Perform monthly close activities, including:
Wage, bonus, and commission accruals
Prepaid expense tracking
Capital asset tracking and depreciation
Foreign exchange (FX) adjustments
Oversee and coordinate payroll processing
Perform bank and credit card reconciliations
Maintain accurate expense categorization and general ledger integrity
Prepare and file HST returns
Support ongoing financial reporting and audit readiness

Operational & Administrative Responsibilities

Manage client billing processes, ensuring accuracy and timeliness
Administer client contracts, including tracking renewals, terms, and pricing
Manage vendor contracts and relationships
Maintain financial and operational documentation
Support internal process improvement and standardization initiatives

Systems & Tools

Utilize and maintain financial systems, including:
QuickBooks Online (expert-level proficiency required)
Dext (expense capture and processing)
Plooto (payments and approvals)
Learn and operate business systems including:
Halo PSA (Professional Services Automation tool for billing and operations)
Other internal platforms as required

Qualifications & Experience

3+ years of experience in bookkeeping, accounting, or office management roles
Strong hands-on experience with:
QuickBooks Online (advanced/expert level)
AR/AP workflows and tools (Dext, Plooto or similar)
Solid understanding of:
Canadian accounting practices
HST/GST compliance and filing
Month-end close processes and accrual accounting
Experience with payroll coordination
High attention to detail and strong organizational skills
Ability to manage multiple priorities and deadlines independently

Nice to Have

Familiarity with PSA tools
Exposure to contract management and recurring revenue billing models

What Success Looks Like

Accurate and timely month-end close
Clean, well-maintained financial records
Efficient and predictable billing and collections processes
Strong control over contracts and financial commitments
Improved operational visibility and financial discipline

Why Join Horn IT

Be part of a growing, process-driven IT services organization
Work in a structured, standards-based environment with clear operating models
Opportunity to shape and improve internal financial and operational processes
High-impact role with visibility across the entire business

Job Types: Full-time, Permanent

Pay: $75,000.00-$85,000.00 per year

Benefits:

Dental care
Extended health care
Life insurance
On-site parking
Paid time off
RRSP match

Work Location: Hybrid remote in Whitby, ON L1N 8P9

Quick apply

Refine Your Search

office managers jobs in ontario

Office Manager / Bookkeeper

Dental Office Manager

Office Administrator

Office Manager

Operations Coordinator

Accountant and Office Manager

Office Manager/Administration

Office Administrator

Operations Coordinator

Assistant Office Manager

Office Manager

Operations Manager - administrative services (Health & Safety Manager)

Office Administrator

Office Manager & Full-Cycle Bookkeeper

Branch Growth & Operations Manager (Real Estate Brokerage)

Branch Manager

Branch Manager

Bookkeeper

Office Manager

Branch Manager

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