Warehouse Supervisor- Continental Night Shift 7 pm to 7 am

Location: Etobicoke, Ontario
Department: Supply Chain
Shift: Continental Night Shift 7 pm to 7 am

At Polytainers, we create packaging that helps protect the food products people enjoy every day. As a leading North American manufacturer of rigid plastic packaging, we combine innovation, operational excellence and strong customer partnerships to deliver quality products and contribute to a more sustainable future.

Our people are at the heart of everything we do. Across our teams and facilities, we work together with purpose, put our customers first and continuously look for better ways to work. We create an environment where people are encouraged to share their ideas, empowered to take action and are supported in their growth.

When you join Polytainers, you become part of a team that values accountability, collaboration and respect. Whatever your role—making our products, supporting our customers or improving how we work—your contribution matters. Together, we partner for success, win through teamwork and create packaging solutions for today and tomorrow.

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.

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

5. People Leadership & Development

• 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

7. Continuous Improvement

• 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
• Collaborate with Planning, Customer Service, Production, and Quality to ensure alignment and service excellence
• Support urgent customer requirements and operational escalations

9. Operational Excellence & Housekeeping

• Ensure warehouse organization, cleanliness, and visual management standards are maintained
• Conduct daily audits to ensure compliance with operational standards
• Support layout optimization and efficient material flow

Qualifications & Experience

Education

• Post-secondary education in Business, Supply Chain, or related field, or equivalent experience

Experience

• Minimum 5 years of warehouse experience in a fast-paced, high-volume manufacturing environment
• Minimum 2 years of supervisory experience preferred
• Experience in plastics and/or food packaging industry is an asset

Technical Skills

• Strong knowledge of warehouse operations, inventory control, and material flow
• Experience with WMS/ERP systems (SAP preferred)
• Proficient in Microsoft Office (Excel required)

Certifications

• Forklift and Reach Truck certification preferred

Core Competencies

• Strong leadership and people development skills
• Results-oriented with a bias for action and accountability
• Excellent problem-solving and decision-making capabilities
• Effective communication and interpersonal skills
• Ability to influence and build trust across teams
• High sense of urgency and ownership
• Strong organizational and time management skills

Working Conditions

• Significant time spent on the warehouse floor in a fast-paced, noisy environment
• Occasional operation of material handling equipment (forklift/reach truck)
• Flexibility to work non-standard hours as required

This job posting reflects existing vacancy. Details will be clarified during the recruitment process, if selected.

Polytainers does not directly use artificial intelligence to screen, assess or select applicants. However, Polytainers does use Indeed.com to publicly advertise this posting and Indeed.com does use artificial intelligence as part of the screening process. More information about how Indeed.com uses artificial intelligence in their process can be found here: How Indeed Uses AI: Employer Tools and Responsible Use

This position is open to applicants legally authorized to work in Canada.

Polytainers is proud to be an Equal Employment Opportunity employer. Polytainers is committed to diversity and inclusivity in employment and welcomes applications from qualified individuals of diverse backgrounds.

Polytainers Inc. is committed to providing accessible employment practices that are in compliance with the Accessibility for Ontarians with Disabilities Act (‘AODA’). Applicants are asked to make their needs/requirements, for the purpose of accommodation under AODA, known to Human Resources when they are contacted for an interview. Accommodations are available on request for candidates taking part in all aspects of the selection process.