Keep the numbers moving. Keep the business running.
At Gateway Mechanical, our people are at the heart of everything we do. As a leading commercial and industrial HVACR service provider, we handle more than 40,000 service calls each year across Western Canada. Behind every successful service call is a team of people making sure the details are taken care of — and that’s where you come in.

We’re looking for a Billing Administrator who is organized, detail-oriented, and comfortable working in a fast-paced, high-volume environment. In this role, you’ll help ensure our billing is accurate, timely, and ready to go, while working closely with our service and administrative teams.

What You’ll Do

Prepare, review, and process high-volume billing and invoicing

Acquire and prepare work orders for billing

Post invoices and distribute them to customers

Prepare invoices through the final “invoice ready” stage

Create credit memos and correct billing errors

Prepare files for auditing and maintain accurate customer billing notes

Complete job journaling between work orders when corrections are required

Create unbilled and work order reports

Maintain customer portals and upload invoices as required

Prepare and distribute monthly full-coverage lists

Ensure previous months are closed and ready for invoicing

Communicate service setup issues and billing requirements to team members





Support the billing team with additional administrative and reporting tasks as needed

What You Bring

1–2 years of experience in billing, invoicing, or high-volume data entry is an asset

High School Diploma

Intermediate to advanced proficiency with Microsoft Excel, Word, and other Microsoft Office applications

Strong attention to detail and accuracy

Excellent organizational and time-management skills

Comfortable managing multiple priorities and deadlines

A team-oriented approach with robust communication skills

Why Join Gateway Mechanical Services?
Founded in 1968, Gateway Mechanical is a privately owned leader in the commercial and industrial HVACR industry. Our local branch teams are supported by experienced professionals across HVAC, Refrigeration, Plumbing/Gas Fitting, Sheetmetal, Electrical, Engineering, and Project Management.

When you join our team, you become part of an organization that values its people and provides opportunities to grow.

What we offer:

Employee Assistance Program

Supportive team environment

Opportunity for the temporary position to transition into a full-time role

Ready to Make an Impact?
If you’re someone who enjoys keeping things organized, solving billing issues, and making sure the details are right, we’d love to hear from you.

The future is bright. Come grow with us!

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📌 Billing Administrator (Alberta)
🏢 Gateway Mechanical Services
📍 Alberta