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Shift Manager - Bolton Pet Plant

Job in Caledon, Ontario, L7C, Canada
Listing for: Mars, Incorporated
Full Time position
Listed on 2026-01-02
Job specializations:
  • Manufacturing / Production
    Operations Manager
Salary/Wage Range or Industry Benchmark: 60000 - 80000 CAD Yearly CAD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Job Description Company:
Mars - Bolton, ON

Title:

Shift Manager Required Shift

12 Hour rotating shifts

Shift rotates between days (7am- 7:30pm) and nights (7pm- 7:30am)

Mondays - Fridays

Additional information will be addressed during the interview process

Job Purpose

The Shift Manager is a shift‑based, front‑line operations people Manager who efficiently improves Quality, Human Safety, and Product Cost Conversion while Engaging and Developing talent.

The Shift Manager is responsible for delivering operational targets and leading teams of, on average, 22 Shift associates. The Shift Manager drives safety, quality, continuous improvement, performance management, associate development, team engagement, and operating results for their assigned area through shift‑based leadership of a line or area that exists within a larger Value Stream organization.

This Manager will coordinate the short‑term activities of the area within established guidelines and standards to produce the highest quality, lowest cost product most safely and efficiently while also partnering with the other members of the 24‑hour Area Managership Team to deliver area continuous improvement and Mars Supply Excellence (MSE) program implementation. The Shift Manager is responsible for building an effective team on his/her shift and in his/her area of responsibility and for managing the training strategy for both the individual associates and the team.

This Manager will implement and enforce established policy and area and organizational strategies.

What we are looking for?

Minimum Requirements
  • BASc Eng, BASc Food Science, or BSc preferred.
  • Operational management principles and competencies.
  • Understanding of applicable laws (OHS, ESA, MOL).
  • Lean business practices.
  • Demonstrated ability to lead and drive change.
Physical Requirements
  • Ability to lift/carry (10-55 lbs) & push/pull (50-200 lbs).
  • Frequent handling/gripping/bending/stooping.
  • Ability to work at elevated heights off a ladder or platform, climb stairs, leaning over equipment.
  • Ability to stand and / or work on feet for extended periods
  • Ability to work in varies manufacturing environments and non-temperature-controlled rooms.
  • Read, write, speak and understand English
Preferred Qualifications
  • Minimum 5-10 years manufacturing leadership experience.
  • Previous people management experience
  • Petfood, food, beverage or pharmaceutical manufacturing experience
  • Working knowledge of Good Manufacturing Practices
What will your key responsibilities be?
  • Conversion - Manage the efforts of multi‑line, area, or technology operating teams on one shift to efficiently convert materials into quality products in a safe, secure, and sanitary manner within the product design specifications.
  • Change Agent - Implement changes in methods, equipment, systems, and organization, as needed, to ensure that the objectives of the line/area are met and give input and recommendations for such changes by using a continuous improvement mindset.
  • Mars Supply Excellence – Lead or participate in one or more MSE Pillars;
    Lead and support the implementation of Autonomous Maintenance (AM) and Autonomous Work Teams (AWTs) in area of responsibility;
    Lead key connection points and own reliability data collection accuracy.
  • Area Ownership – Collaborate with the rest of the Area Managership Team (Area Manager or Continuous Improvement Engineer, Continuous Improvement Specialist, Maintenance Coordinator) to create and execute the reliability strategy for the area of responsibility.
  • Coaching—Coach operators to build their functional and Managerial capabilities and drive accountability in safety, Quality and Food Safety, Autonomous Maintenance, and team engagement.
  • Line Operations - Coordinate materials, staffing, and resources to support line operation and changeovers.
  • Standards Implementation and Adherence – Ensure standards are implemented on shift and in areas of responsibility through effective communication, change management, consistent reinforcement, coaching, guidance, and accountability measures.
  • Associate Safety – Ensure safe working conditions, behaviors, and mindsets through the direct implementation of Mars Safety programs and driving a relentless…
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