Plant Director, Panels

Mattamy Homes
Mattamy Homes

Posted on Jul 1, 2026
Position at Stelumar Advanced Manufacturing Inc.

Role:

Plant Director

Location:

Etobicoke & Mississauga, Ontario

Company:

Stelumar Advanced Manufacturing Inc.

Department:

Operations

Employment Type:

Full-Time, Permanent

Reports to:

VP, Operations

Stelumar Advanced Manufacturing Inc. (SAMI or Stelumar) is a technology-driven company dedicated to revolutionizing homebuilding in Canada through advanced modular building solutions. Founded by Canadian entrepreneur Peter Gilgan, founder of Mattamy Homes, Stelumar combines automation, robotics, and AI to modernize construction and help address the housing shortage. With state-of-the-art manufacturing facilities in the Greater Toronto Area, Stelumar is focused on accelerating construction timelines, improving consistency and making housing more attainable. Stelumar produces precision-built walls, floors, and roofing systems, factory-built modular units, and interior cabinetry and millwork at industrial scale. Its development and construction arm, Stelumar Communities, delivers scalable modular housing from planning and design to construction and handover. The team supports low- and mid-rise residential, purpose-built rental, affordable and workforce housing, student housing, hospitality, healthcare-related housing, and institutional developments. Together, Stelumar is delivering housing people are proud of.

For more information, visit Stelumar.com.

What we offer

The Plant Director will drive tactical, operational, and strategic leadership across all aspects of wall panel, ceiling and floor production within SAMI’s world-leading, highly automated and roboticized manufacturing facility within the Housing Solutions business unit. The initial scope of this role will include supporting commissioning of the plant and developing operational scaling plans in collaboration with all stakeholders. This role is central to ensuring precision, efficiency, and scalability in producing panels and assembled modules that meet the highest standards of quality and manufacturability.

What you’ll do

  • Oversee all manufacturing operations in SAMI’s world-class, highly automated and roboticized facility, ensuring excellence in productivity, quality, safety, and efficiency.
  • Lead plant start-up readiness, commissioning support, and transition to stable production (people, process, equipment).
  • Build and execute the operational ramp-up plan (capacity, labor model, shift patterns, training, OEE targets) in collaboration with key stakeholders.
  • Implement and champion lean manufacturing, automation, and continuous improvement initiatives to optimize production and minimize waste in building components, including wall panels, floors, ceilings and assembled modules.
  • Use production KPIs (quality, throughput, scrap, downtime, labor efficiency) to drive corrective actions and sustained improvement.
  • Lead root cause analyses and corrective action planning for manufacturing issues, collaborating with engineering, quality, and maintenance teams.
  • Support new product development and process changes by integrating advanced manufacturing technologies and scalable solutions.
  • Collaborate with Engineering and Maintenance teams and other appropriate teams to support equipment commissioning, troubleshooting, and process enhancements.
  • Supervise and coordinate production teams, including scheduling, task assignment, and performance monitoring.
  • Ensure full compliance with all safety protocols, industry regulations, and company policies, while promoting a safe, inclusive, and engaging work environment through consistent adherence to procedures and active participation in safety programs.
  • Foster a culture of accountability, collaboration, and innovation within the building components manufacturing team.
  • Provide mentorship and training to production staff, promoting skill development and career growth.
  • Perform other duties as required.

What you bring

  • Bachelor’s degree in Engineering, Advanced Manufacturing, Manufacturing Technology or a related field.
  • 10 or more years of progressive manufacturing or industrial operations experience, minimum three years in a manufacturing leadership role.
  • Hands-on experience with automated and roboticized manufacturing equipment for building components.
  • Proven ability to build, lead, and mentor a production team in a fast-paced unionized manufacturing environment.
  • Solid analytical and problem-solving skills, with experience in production data analysis and project management.
  • Strong understanding of lean manufacturing, Six Sigma, or other process improvement methodologies.
  • Entrepreneurial mindset and decisive with a demonstrated capability in navigating ambiguity
  • High level of professionalism, integrity, and ethical conduct.

Bonus Points

  • Experience in large-scale modular construction and panelized building components.
  • Experience in setting up new manufacturing lines or plants.
  • P. Eng., Lean Six Sigma, PMP designations.

We encourage applicants who meet most of the role requirements to hit that submit button and apply! It’s okay if you don’t have 100% of the requirements. If you’re the right candidate, we’ll help you learn and grow.

Stelumar is committed to providing accommodation for people with disabilities. If you require accommodation through any aspects of the selection process, please notify us on your application and we will work with you to meet your needs.

Stelumar may use artificial intelligence (AI) tools to support our hiring process, including to help screen or assess candidates along the way. These tools work behind the scenes, while people remain at the heart of every hiring decision.

Qualified applicants for this existing vacancy will be contacted directly by the Talent Acquisition team.