Office Administrator and Bookkeeper

Nawkaw Corporation is seeking an experienced Office Administrator & Bookkeeper to provide day-to-day administrative and operational support to our General Manager, Operations team, and Project Managers in our Mississauga office.

This position helps keep projects, schedules, work orders, documentation, reporting, customer communication, and office activities organized and moving forward. The role also performs essential bookkeeping and payroll administration responsibilities, including accounts payable and receivable, invoicing, reconciliations, financial recordkeeping, and payroll support.

Previous hands-on bookkeeping experience is required. The successful candidate will be highly organized, dependable, detail-oriented, and comfortable managing multiple priorities in a fast-paced construction environment. Strong follow-through, sound judgment, and the ability to work independently while supporting a busy team are essential.

• Provide administrative support to the Operations team and Project Managers.
• Maintain the Master Schedule, including crew scheduling, work order status, budgeted hours, project status, and related timekeeping information.
• Track project progress and coordinate with Project Managers and team members to obtain required updates, documents, and information.
• Support scheduling, forecasting, weekly Operations reporting, and other recurring operational reports.
• Prepare and maintain project documentation, including Pre-Mobilization, Lessons Learned, signed work orders, warranties, and job files.
• Process sample work orders and track project milestones needed for invoicing.
• Assist Project Managers with equipment orders, travel arrangements, and other administrative needs.
• Coordinate shipping and receiving and maintain vehicle records and registrations.
• Assist with recurring company, industry, and regulatory reporting as assigned.

• Maintain an organized and efficient office environment, including supplies, vendors, mail, shipping/receiving, and office records.
• Prepare and update spreadsheets, reports, presentations, and other management support materials.
• Assist with calendars, meetings, reminders, filing, and administrative follow-up.
• Provide ongoing administrative support to the General Manager, Operations leadership, Project Managers, and broader team.
• Track outstanding administrative items and follow through to help ensure deadlines, commitments, and required documentation are completed.

• Serve as an administrative point of contact for customers, vendors, employees, and internal staff.
• Receive and direct calls, emails, mail, and routine inquiries to the appropriate team member.
• Support communication between customers and Project Managers and assist with routine project-related questions.
• Follow up on outstanding administrative items and maintain timely, professional communication with internal and external contacts.
• Manage day-to-day accounts payable and accounts receivable, including vendor invoices, customer payments, and collections support.
• Prepare and process customer invoices, progress billings, deposits, and pay applications.
• Maintain accurate financial records in Quick Books, including vendor invoices, customer payments, credit card activity, per diems, expense reimbursements, intercompany transactions, and journal entries.
• Complete regular bank and credit card reconciliations and ensure expenses are properly coded to the appropriate job or account.
• Coordinate with Project Managers to obtain information needed for accurate and timely invoicing.
• Maintain organized financial documentation and assist management and external accounting resources with reports and account research.
• Identify and follow up on discrepancies, missing documentation, or incorrect entries through resolution.

• Review employee time records and prepare payroll information accurately and according to established deadlines.
• Coordinate with the external payroll provider and assist with payroll questions or discrepancies as needed.
• Maintain employee safety training and certification records and related administrative documentation.

• Minimum 3 years of office administration, operations support, project administration, or similar experience, including at least 2 years of hands-on bookkeeping experience.
• Strong organizational, communication, and problem-solving skills with excellent…