Accounting Clerk (Invoicing)

PTAG is a Project Management Advisory & Services firm, which is recognized in the industry by Project & Construction Management Industry think-tanks, innovative service delivery partners and world leading industrial clients. We are looking for an Accounting Clerk (Invoicing). We seek Project Professionals who will align with our corporate mission, vision & values:

Our mission is to help our clients ensure successful delivery and efficient operation of their major capital projects. Our goal is to employ innovation and strategic thinking by capital project subject matter experts to deliver optimum project results.
PTAG’s vision is to help our clients become global leaders in the selection, planning, and execution of their capital and sustaining projects.
Our values include:

• Safety: The safety of our employees, suppliers and clients is our top priority
• Collaboration: Creating true partnerships with our clients and service providers
• Leadership: Improving project performance through the application of best practices
• Accountability: Being accountable to our clients for every aspect of engagement
• Client Satisfaction: Delivering 100% client satisfaction on every project
• Integrity: Open and clear communication in every aspect of our business

Location: Markham, ON - Hybrid

Type of Employment: Full Time
ID# 6747

Role:
PTAG is seeking a detail-oriented Accounting Clerk to support the Finance team, with a primary focus on client invoicing and billing accuracy. The ideal candidate will have hands-on experience with NetSuite and a strong understanding of invoicing and accounts receivable processes.

Responsibilities:

• Prepare, generate, and issue client invoices in NetSuite in accordance with contracts, rate sheets, and project agreements
• Review billing data for accuracy, completeness, and required approvals
• Coordinate with Project Managers, Project Controls, and Operations to resolve billing discrepancies
• Maintain invoicing schedules and ensure invoices are issued accurately and on time
• Track invoice status and assist with follow-up on outstanding or disputed invoices
• Maintain organized billing records and supporting documentation
• Assist with month-end close activities related to invoicing and revenue
• Enter and validate accounting data in NetSuite
• Support audits by providing invoicing and billing documentation
• Perform other accounting and administrative duties as require

Required Qualifications

• Diploma or certificate in Accounting, Finance, or a related field
• 1-3 years of experience in an accounting, billing, or accounts receivable role
• Strong understanding of invoicing and AR processes
• High attention to detail and accuracy
• Proficiency with Microsoft Excel
• Strong organizational and communication skills

Preferred Qualifications

• Experience using NetSuite for invoicing or accounts receivable
• Experience in professional services, engineering, construction, or project-based environments
• Familiarity with time-and-materials, cost-plus, or milestone billing
• Basic knowledge of revenue recognition principles

Key Competencies

• Detail-oriented with a focus on accuracy
• Ability to manage multiple deadlines
• Proactive problem solver
• Strong follow-up and accountability
• Professional and collaborative working style

Why Join PTAG?

• Opportunity to work with a dynamic and growing consulting firm.
• Engage with industry leaders and participate in high-profile events.
• Develop high-impact marketing content that showcases PTAG’s expertise.
• Competitive salary and benefits package.
• Flexible work environment with opportunities for professional growth.

PTAG is growing and seeking project professionals who want to join a fast paced, innovative, and team-oriented company. PTAG provides an employee share purchase plan. PTAG is an equal opportunity employer.