Demand Planner – SIOP / Integrated Business PlanningWe are seeking a Demand Planner to join our team in Calgary. The primary purpose of this role is to lead demand planning activities and support the execution of De Havilland Canadas Sales, Inventory & Operations Planning (SIOP) process. The success
JSfirm
Demand Planner
Job Description:

Demand Planner – SIOP / Integrated Business PlanningWe are seeking a Demand Planner to join our team in Calgary. The primary purpose of this role is to lead demand planning activities and support the execution of De Havilland Canadas Sales, Inventory & Operations Planning (SIOP) process. The successful candidate will be responsible for developing and maintaining demand forecasts, driving cross-functional alignment, facilitating demand reviews, and ensuring planning assumptions are translated into actionable supply and manufacturing requirements.This position serves as a key link between Sales, Programs, Customer Support, Supply Chain, Manufacturing, Finance, and Operations to ensure demand signals are accurately captured, risks are identified early, and business decisions are supported through data-driven planning.In addition to demand planning responsibilities, the role will support afterspanet order management activities and configuration management processes to maintain product and planning data integrity. Key ResponsibilitiesSIOP / Demand PlanningOwn and maintain the monthly demand planning process, ensuring forecasts accurately reflect customer requirements, spanet intelligence, sales opportunities, and business assumptions.Facilitate cross-functional demand review meetings and support the monthly SIOP cycle.Aggregate demand signals across Afterspanet, MRO, Production, and Program requirements to develop a consolidated demand plan.Analyze forecast accuracy, demand variability, historical consumption, and emerging trends to improve planning performance.Identify forecast risks, opportunities, and gaps, and recommend mitigation strategies.Support executive SIOP reviews by preparing planning scenarios, demand analytics, and business recommendations.Collaborate with Supply Chain, Manufacturing, Finance, and Program Management to align demand, capacity, inventory, and delivery commitments.Evaluate new business opportunities and proposals for manufacturing and supply chain supportability prior to demand creation.Ensure demand requirements are loaded with appropriate lead times and planning assumptions within the ERP system.Drive continuous improvement initiatives related to forecasting, planning processes, and KPI performance. ERP Data & Planning IntegrityMaintain planning data within ERP systems to ensure forecast, inventory, and demand reporting accuracy.Review and validate master data, planning parameters, and forecasting assumptions.Support KPI reporting, including forecast accuracy, service levels, inventory health, backlog management, and demand attainment. Configuration Management SupportSupport configuration management activities by maintaining configuration documentation and change control records.Assist with data validation and configuration baseline management within ERP systems.Coordinate with Engineering, Manufacturing, Quality, and Program teams to ensure product configuration data remains accurate and controlled. Customer & Afterspanet SupportSupport internal customers across Calgary, Victoria, and Toronto by coordinating planning-related activities.Review customer requirements and ensure demand signals are properly reflected within planning systems.Assist with RFQs, order management, schedule changes, returns, and repairs as required.Communicate planning impacts, lead times, and delivery risks to stakeholders. Education & ExperienceBachelors degree in Supply Chain Management, Business, Engineering, Operations Management, or a related field.5–10 years of experience in Demand Planning, SIOP, Integrated Business Planning (IBP), Supply Chain Planning, Production Planning, or Sales & Operations Planning.Demonstrated experience facilitating cross-functional planning processes and executive-level reviews.Experience developing forecasts, analyzing demand trends, and supporting inventory and capacity planning decisions.Aerospace, manufacturing, MRO, or industrial operations experience is considered an asset.Experience with ERP/MRP systems (IFS, SAP, Oracle, JD Edwards, etc.) is preferred.APICS CPIM, CSCP, IBF, Oliver Wight, or equivalent planning certifications are considered an asset. SkillsStrong understanding of SIOP / IBP processes, demand planning methodologies, and supply chain fundamentals.Advanced analytical and forecasting capabilities with strong Excel and data analysis skills.Ability to influence stakeholders across multiple functions without direct authority.Strong business acumen and ability to translate data into actionable recommendations.Experience identifying demand risks, inventory implications, and capacity constraints.Excellent communication and presentation skills, including the ability to present to senior leadership.Strong organizational skills and attention to detail.Experience working in Lean and continuous improvement environments.
Company Details
De Havilland Canada
123 Garratt Blvd
Toronto, Ontario M3K 1Y5 Canada
dehavilland.com
53 Open Jobs Available
Throughout an impressive 75-year history of producing various models of aircraft in Canada and for the world, De Havilland has always proudly been known for its adaptability and dependability. Being responsible for creating some 3,500 aircraft—includ...

Supported Manufacturers:
De Havilland

Supported Models:
Dash 8-400
(Job and company information not to be copied, shared, scraped, or otherwise disseminated/distributed without explicit consent of JSfirm, LLC)
Job Info
Location
Victoria, British Columbia, Canada
Type
Permanent
Company Details
De Havilland Canada
123 Garratt Blvd
Toronto, Ontario M3K 1Y5 Canada
dehavilland.com
53 Open Jobs Available
Throughout an impressive 75-year history of producing various models of aircraft in Canada and for the world, De Havilland has always proudly been known for its adaptability and dependability. Being responsible for creating some 3,500 aircraft—includ...

Supported Manufacturers:
De Havilland

Supported Models:
Dash 8-400

JSfirm, LLC

Roanoke, TX

jobs@jsfirm.com

JSfirm LLC, Privacy Policy

All rights reserved. 2001-2026 JSfirm