office administrator

*Position Summary:*

We are seeking a highly organized and proactive *Office Administrator* to manage the daily administrative functions of our busy construction office in Mississauga. As the *sole administrative support*, you will play a key role in maintaining smooth office operations, supporting project managers, and handling basic bookkeeping and payroll duties. This role requires a self-starter with excellent multitasking abilities and strong attention to detail, who thrives in a *fast-paced, dynamic* environment.

*Key Responsibilities:*

*Administrative Duties:*

• Serve as the primary point of contact for internal staff, vendors, and clients.
• Manage all incoming calls, emails, and postal mail; direct inquiries appropriately.
• Maintain office supplies, equipment, and vendor relationships.
• Coordinate meetings, appointments, and schedules for management and field staff.
• Assist in preparing and managing job files, permits, and project documentation.
• Maintain health & safety and training documentation and coordinate training as needed.
• Ensure the office is organized, clean, and operating efficiently.

*Bookkeeping (Light):*

• Process and record accounts payable and receivable transactions.
• Match purchase orders, packing slips, and invoices.
• Perform bank reconciliations and monthly credit card reconciliations.
• Assist in preparing reports for management or external accountants.
• Maintain accurate records in accounting software (QuickBooks).

*Payroll (Light):*

• Collect and process bi-weekly employee timesheets.
• Prepare payroll summaries for external payroll providers processing.
• Track vacation, sick days, and hours for hourly and salaried staff.
• Assist with WSIB reporting as needed.

*Qualifications:*

• Minimum *3 years of experience* in office administration, ideally in the *construction or trades sector*.
• Working knowledge of *bookkeeping principles* and *payroll processing*.
• Proficiency in Microsoft Office Suite (Word, Excel, Outlook).
• Experience with accounting software (QuickBooks).
• Excellent verbal and written communication skills.
• Strong organizational and time-management skills.
• Ability to work independently with minimal supervision.
• Knowledge of Ontario employment standards and WSIB regulations is an asset.

*Preferred Qualifications:*

• Post-secondary diploma or certificate in Business Administration, Accounting, or related field.
• Familiarity with CRM software (Salesforce) is an asset.
• Basic understanding of construction project billing.

*Work Conditions:*

• Full-time position: Monday to Friday.
• Office-based in a fast-paced construction environment.
• Occasional lifting of office supplies or job-related materials (up to 25 lbs).
• Must be comfortable working independently and taking initiative.

*Compensation & Benefits:*

• Competitive salary commensurate with experience.
• Benefits package (after probation period), including health, dental, life and disability.
• Opportunities for growth within a growing company.
• Supportive and respectful team environment.

We invite you to apply today!

Job Type: Full-time

Pay: $50,000.00-$65,000.00 per year

Benefits:

• Casual dress
• Dental care
• Disability insurance
• Extended health care
• Life insurance
• On-site parking
• Paid time off

Ability to commute/relocate:

• Mississauga, ON L5N 5Z2: reliably commute or plan to relocate before starting work (required)

Experience:

• Administrative: 3 years (required)
• Bookkeeping: 2 years (preferred)
• Payroll: 2 years (preferred)

Language:

• English (required)

Work Location: In person