Job Description

The Billing Administrator supports the accurate and timely processing of service billings within the Building Services team. They work closely with account managers, operations teams, and clients to ensure work orders are validated, invoiced correctly, and aligned with customer agreements. Success in this role means reliable billing processes, minimized errors or disputes, and strong internal and external relationships.

Why This Role Matters to Modern Niagara

Billing Administrators play a critical role in maintaining financial accuracy and customer trust. Their work ensures that services delivered are billed correctly and efficiently, directly supporting cash flow, operational performance, and client satisfaction.

Key Impact / Purpose

• Ensure timely, accurate billing by validating work orders and aligning invoices with customer agreements.
• Support financial performance by reviewing margins, identifying discrepancies, and resolving billing issues.
• Strengthen relationships with clients and internal teams through clear communication and responsive support.

Duties and Responsibilities:

• Analyze, prepare, verify, and enter work order data in Fieldpoint for billing approval
• Ensure billing details align with customer agreements and contract terms
• Process and submit accurate customer invoices in a timely manner
• Review work orders to assess margin and profitability
• Support administration of customer contracts, including set-ups, amendments, and renewals
• Maintain effective working relationships with customers, account managers, and project teams
• Identify and resolve billing errors, disputes, and client issues
• Collaborate with internal departments to ensure accuracy of work order information
• Review, validate, and process weekly timesheets for accuracy and timely approval

Must haves:

• 2+ years of billing experience in a large Canadian organization
• Experience working with ERP systems, customer portals, and Microsoft Office
• Strong analytical skills with the ability to identify discrepancies and resolve issues
• Effective written and verbal communication skills
• Professional, customer-focused approach when working with internal and external stakeholders

Nice to haves:

• Experience in building services, construction, or mechanical contractor industry (preferably HVAC)
• Familiarity with Fieldpoint or similar work order/billing systems
• Experience supporting contract administration

This is a replacement position. Expected annual compensation; $50,000 - $58,000

Modern Niagara offers a competitive total compensation package including:

• Defined Contribution Pension Plan with a generous employer contribution
• Flexible Health and Dental benefits with tiered options to meet the needs of you and your family
• An annual health spending account to support your overall wellness
• 24/7 confidential support through our Employee and Family Assistance Program with access to comprehensive resources and professional services
• A competitive vacation package with additional vacation granted throughout your tenure with the organization
• Employer Paid Parental Leave Top Up
• Annual Community Day dedicated to volunteering and giving back to the communities where we live and work
• Corporate Discounts through various vendors across Canada for programs such as fitness, mobile phones, travel, home and auto insurance and many others

Here at Modern Niagara, because we know our people are the best in the industry, we pride ourselves on providing a total compensation package that rewards employees for their hard work and supports employees and their families in their overall wellbeing.

About Modern Niagara
Who We Are

Modern Niagara helps building owners, managers, and general contractors meet the mechanical, and electrical needs of their buildings across Vancouver, Calgary, Edmonton, Toronto, Southwestern Ontario, and Ottawa. We are committed to having a positive and meaningful impact on Canada’s infrastructure — and on the communities where we live, learn, work, and heal. We build for life.

Our Culture & Values

We value passion, initiative, determination, professionalism, and teamwork. Health and safety are embedded in everything we do, and our award-winning safety culture consistently performs well above industry standards.

Diversity, Equity & Inclusion at Modern Niagara

We are committed to building a diverse, equitable, and inclusive organization where everyone has access to opportunity, feels a sense of belonging, and can thrive. We actively work to remove barriers faced by members of equity-seeking groups (including women, Indigenous, Black, racialized, 2SLGBTQIA+ people, people with disabilities, and newcomers to Canada) in the construction industry. We encourage applications from candidates of all backgrounds and lived experiences and are committed to a barrier-free hiring process. If you require accommodation at any stage of the recruitment process, please contact us at careers@modernniagara.com
so we can make appropriate arrangements.

We appreciate every applicant’s interest in joining Modern Niagara. Only those selected for an interview will be contacted.