
Who We Are
Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low-rise non-residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and Repair & Remodel (R&R) markets. Our market-leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multi-channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America. Corporate stewardship and Environmental, Social and Governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at http://cornerstonebuildingbrands.com
Mitten is the original Canadian manufacturer and market leader of vinyl siding. Our continued focus on operational excellence has set the industry benchmark for service, quality, performance and design, backed by the best in class lifetime warranty. As a coast to coast distributor of premium exterior building products we are the link between architects, builders and installers providing an endless variety of business and design solutions. As part of the Cornerstone Building Brands family, we are the largest manufacturer of exterior building products in North America. Our Canadian made vinyl siding has the largest and boldest colour palette in the industry and our colour matched aluminum, shake, stone, and accessories provide the perfect complements and finishing touches to any project. Our products maximize curb appeal and benefit installers by minimizing labour requirements.
The Supervisor, Branch Operations is accountable for the disciplined execution of customer service, branch administration, and operational processes at the branch level. This role serves as the operational control point for branch activities, ensuring consistent application of national standards, effective coordination between Customer Service, Sales, and Warehouse teams, and delivery of a high-quality customer experience.
The Supervisor, Branch Operations is responsible for operational planning, customer communication standards, inventory administration oversight, purchase order approvals, invoicing controls, cash handling oversight, CRM documentation, and issue resolution. The role provides leadership to Customer Service Representatives while ensuring customer commitments align with operational capacity and approved business processes.
This position does not own sales revenue or pricing strategy but plays a critical role in protecting service levels, operational efficiency, margin, compliance, and customer satisfaction.
Key Responsibilities
Customer Service Leadership & Communication
Operational Planning & Control
Decision Ownership & Escalation Management
Purchase Order Approval & Purchasing Oversight
Inventory Administration & Operational Controls
Shipment Confirmation, Invoicing & Documentation
Cash Handling & Financial Administration
CRM Documentation & Compliance
Service Recovery & Issue Resolution
Safety, Training & Continuous Improvement
Key Performance Indicators (KPIs)
Core Competencies
This is a fully on-site position based out of our Ottawa Branch location:
Mitten Building Products, 1000 Last Mile Dr, Unit 4, Ottawa, ON K1G 6Y1, Canada
Salary: Base: $70,000 - 80,000 plus SIP. Placement within the range will be determined based on the candidate's experience, skills, and qualifications relative to the requirements of the role. Candidates who meet the core requirements can generally expect to be placed closer to the midpoint of the range, while those with significant relevant experience may be considered toward the higher end of the range.
This is a newly created position.
Mitten is committed to an inclusive, equitable and accessible workplace. We will accommodate applicants’ needs, upon request, throughout all stages of the recruitment process. Please inform us of the accommodation(s) that you may require. Information received relating to accommodation will be addressed confidentially.

Cornerstone Building Brands is a leading manufacturer of exterior building products serving the residential and low-rise non-residential markets across North America. Through our expansive footprint and comprehensive product portfolio, we are uniquely positioned as a one-stop-shop for vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories — all available through our trusted product brands to support a wide range of needs and end-uses.
Our success is driven by our dedicated team members and strong partnerships across the building industry. We continually invest in our brands and capabilities to create mutual value — leveraging our core strengths, executing with excellence and consistently seeking new solutions to the challenges our customers face every day.
From family homes to large-scale commercial structures, our products are the cornerstone of the communities where people live, work and play. That’s why we are committed to becoming a premier building solutions company that better serves its customers and helps build stronger communities.
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Instagram: @cornerstone_buildingbrands
Facebook: @CornerstoneBuildingBrands
YouTube: @cornerstonebuildingbrands
DISCLAIMER
Cornerstone Building Brands’ social media channels share information about our company, our products and our people. We welcome commentary expressing all points of view – positive and negative – but reserve the right to remove posts that are off-topic, offensive, promotional or illegal or contain inappropriate language, hate speech, proprietary information, personal data or personal attacks.