Supervisor, Branch Warehouse

Company Description

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.

Job Description

The Supervisor, Branch Warehouse is responsible for the safe, accurate, and efficient execution of warehouse and fulfillment operations at the branch level. This role owns floor-level execution, inventory accuracy, warehouse labor coordination, and safety compliance.

The Supervisor, Branch Warehouse executes daily fulfillment activities aligned to the approved shipping plan and defined capacity. This role partners closely with the Supervisor, Branch Operations and Branch Administrator to ensure warehouse execution supports customer commitments while retaining clear ownership of physical fulfillment.

KEY OBJECTIVES AND RESPONSIBILITIES

Fulfillment & Shipping Execution

- Execute daily picking, staging, and shipping activities aligned to the approved shipping schedule.
- Translate approved shipping plans into daily execution priorities.
- Coordinate carrier pickups and outbound logistics execution.
- Proactively communicate execution risks, constraints, or deviations from plan.

Inventory Management & Accuracy

- Own inventory accuracy through disciplined cycle counts and physical inventories.
- Investigate and resolve inventory discrepancies.
- Ensure proper storage, handling, and material flow within the warehouse.

People Leadership & Safety

- Lead, schedule, and direct warehouse associates.
- Own safety compliance, enforcement, and execution training on the warehouse floor.
- Set clear performance, productivity, and safety expectations.
- Support hiring, onboarding, training, and performance management activities.

Issue Investigation & Root Cause

- Investigate warehouse-related shortages, damages, and execution issues.
- Confirm facts, constraints, and root cause related to fulfillment failures.
- Document root cause and corrective actions and implement process improvements to prevent recurrence.

Cross-Functional Coordination & Continuous Improvement

- Provide timely execution feedback to the Supervisor, Branch Operations to support accurate customer communication.
- Support cross-functional improvement initiatives.
- Escalate systemic risks or capacity constraints to Director, Sales Operations.

KEY PERFORMANCE INDICATORS (KPIs)

- Fulfillment accuracy and timeliness
- Inventory accuracy
- Safety and compliance performance
- Labor efficiency and capacity alignment
- Issue resolution and corrective action effectiveness

Proficiency with ERP, WMS, and standard office systems preferred

Qualifications

- 2–4 years of experience in warehouse or distribution operations.
- Demonstrated leadership skills and a strong commitment to workplace safety.
- Forklift certification required, or willingness to obtain certification.
- Experience in the building materials industry or a distribution environment preferred.
- Ability to lift materials as required for the role.

Additional Information

This is a fully onsite position based at our Mitten location at 6236 50 St NW, Edmonton, AB T6B 2N7.

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.