Supply Planning Manager

Position Summary

The Supply Planning Manager is responsible for owning and driving the enterprise supply plan, including rough-cut capacity planning, as a core component of the company’s Sales & Operations Planning (S&OP) cycle. This role serves as the primary liaison between the supply chain organization and plant Operations, ensuring supply plans are feasible, executable, and aligned to customer demand.

• Develop and maintain the enterprise supply plan, translating the consensus demand plan into a feasible production and supply strategy through rough-cut capacity planning (RCCP).
• Lead the supply review process within the monthly S&OP cycle, presenting supply constraints, risks, and recommended mitigations to senior leadership.
• Serve as the primary point of contact for plant Operations teams on supply plan requirements, capacity utilization, and schedule feasibility.
• Provide dotted-line oversight and direction to plant Master Schedulers, ensuring alignment between enterprise supply plans and facility-level Master Production Schedules (MPS).
• Identify supply/demand imbalances and capacity constraints; develop and communicate resolution scenarios and trade-off analyses.
• Collaborate with Demand Planning to ensure supply plans reflect the latest consensus forecast and support agreed service level targets.
• Work with Procurement and Materials teams to align supply plans with material availability and lead time constraints.
• Maintain and improve supply planning tools, capacity models, and ERP-based planning parameters, partner with the Planning Systems Manager on system enhancements.
• Develop and monitor key supply planning KPIs including schedule attainment, capacity utilization, and inventory performance.
• Lead a team of supply planners to optimize inventory levels, improve forecast accuracy, and ensure seamless product availability.
• Perform other duties as assigned by supervisor.

• Systems Thinking:
  Ability to understand and balance enterprise-level supply constraints across multiple facilities and product lines.
• Collaboration & Communication:
  Strong interpersonal skills to align Operations, Procurement, and cross-functional teams on supply plan execution.
• Analytical Thinking:
  Proficiency in capacity modeling, scenario analysis, and data-driven decision making.
• Attention to Detail:
  Ability to manage and reconcile complex planning data across multiple horizons and facilities.
• Leadership:
  Capability to influence and align dotted-line reports and operational stakeholders without direct authority.
• Adaptability:
  Ability to respond quickly to supply disruptions, demand changes, and shifting operational priorities.

• Bachelor’s degree in Supply Chain Management, Industrial Engineering, Operations, or a related field required.
• Minimum 5 years of experience in supply planning, master scheduling, or S&OP within a manufacturing environment.
• Demonstrated experience with rough-cut capacity planning and MPS development.
• Experience providing cross-functional or dotted-line leadership to scheduling or planning personnel preferred.
• Proficiency with ERP systems required; INFOR/Syte Line experience highly preferred.
• Experience with BI tools (e.g., Power BI, Tableau) required for KPI tracking and reporting.
• APICS CPIM or CSCP certification preferred.
• Advanced proficiency in Microsoft Excel and capacity modeling tools.
• ASCM CPIM certification preferred.
• Demonstrated career ambition with a track record of growth and increasing responsibility; highly promo table with the potential to take on broader leadership roles within a fast‑paced, high‑growth organization.

Compensation actually offered for this role will take into account internal equity and also may vary depending on the candidate’s geographic region, job-related knowledge, skills, and experience among other factors. A bonus and/or long-term incentive units may be provided as part of the compensation package, in addition to the full range of medical, financial, and/or other benefits, dependent on the level and position offered.

[VAN Compensation Range: $121,143 – 148,961 CAD]

We offer comprehensive and competitive benefits package designed to support our employees’ well‑being, growth, and long‑term success. View a snapshot of our benefits at

IEM does not discriminate against any applicant based on any characteristic protected by law.