Warehouse - Supervisor - Shift C; continental shift

Position: Warehouse - Supervisor - Shift C (7:30 pm to 7:30 am continental shift)
Warehouse
- Supervisor
- Shift C (7:30 pm to 7:30 am continental shift)  197 Norseman St, Etobicoke, ON M8Z 2R5, Canada

Job Description  Posted Friday, June 19, 2026 at 4:00 a.m.
About Polytainers
Polytainers is a leading manufacturer of rigid plastic packaging serving the food, dairy, beverage, and consumer goods industries across North America. We combine advanced manufacturing technology with a strong commitment to quality, safety, and sustainability.
Our success is driven by our people. We offer a team-oriented work environment, opportunities for career growth, and a strong focus on safety and continuous improvement. At Polytainers, you’ll be part of a stable, growing organization where your contributions make a real impact.
Position Summary
The Warehouse Supervisor is accountable for the safe, efficient, and cost-effective execution of all warehouse operations on their assigned shift. This role owns shift performance across safety, quality, delivery, cost, and people engagement, ensuring operational targets are consistently achieved while fostering a high-performance, continuous improvement culture.
The Supervisor leads, coaches, and develops the warehouse team, ensures disciplined execution of processes and systems, and drives operational excellence aligned with Polytainers’ business objectives.
Shift - Continental C shift - 7:30 pm to 7:30 am

Key Responsibilities
1. Safety, Compliance & Food Safety
Act as the designated "Competent Person" on shift, ensuring full compliance with Health & Safety, HACCP, cGMP, and 5S standards
Lead incident/accident investigations, ensuring timely reporting, root cause analysis, and corrective actions
Proactively identify hazards and implement preventative measures
Conduct regular safety audits and ensure proper documentation
Ensure proper product handling, storage, and traceability to meet food safety and quality standards
2. Operational Performance & KPIs
Own and deliver shift performance against key metrics including:  Safety (TRIR, near misses)
On-Time In-Full (OTIF) shipping
Inventory accuracy
Picking/shipping accuracy
Labour productivity and cost

Monitor real-time performance and take immediate action to address gaps
Ensure effective shift handovers with clear communication of issues and priorities
Escalate operational risks and issues as required
3. Inventory Control & Systems Execution
Ensure accurate and timely execution of all warehouse transactions in WMS/ERP systems
Lead cycle count activities and resolve inventory discrepancies through root cause analysis
Maintain high levels of inventory accuracy and system integrity
Drive discipline in scanning, tracking, and material flow processes
4. Labour Planning & Workforce Management
Develop and execute daily labour plans aligned with volume and operational priorities
Monitor productivity and optimize workforce utilization across functions
Manage staffing levels, including overtime and temporary labour, to meet business needs
Maintain attendance, vacation, and scheduling in Dayforce
Lead, coach, and develop team members to build a high-performing and engaged workforce
Ensure fair and consistent application of company policies and standards
Manage performance through regular feedback, coaching, and formal performance improvement processes
Maintain accurate documentation of performance and disciplinary actions
Identify training needs and maintain an up-to-date training matrix
Develop team capability through cross-training and succession planning
6. Quality & Problem Solving
Ensure timely response to NCRs and quality issues
Lead structured root cause analysis (e.g., 5 Whys) and implement sustainable corrective actions
Prevent recurrence of issues through process improvements and team education
Identify and implement opportunities to improve safety, quality, delivery, cost, and space utilization
Lead or participate in Kaizen events and CI initiatives
Track and report measurable improvements and sustain gains
Promote a culture of continuous improvement and accountability
8. Communication & Cross-Functional Collaboration
Lead daily and weekly team communication meetings
Communicate performance results, priorities, and expectations clearly to the team
Coll…