GMS National Inventory & Demand Administrator

Concord; Vaughan; On-site; CAD 70,000 - 90,000; Full time

Job summary

Concord in Canada seeks a GMS National Inventory & Demand Administrator to coordinate inventory and demand planning across GMS Canada. You will partner with Purchasing, Operations and Sales to balance product availability with inventory investment and improve visibility.

The role focuses on forecasting accuracy, stock balancing, and supplier coordination to prevent stock-outs and excess inventory while supporting national programs and product transitions.

Qualifications

• 3+ years of experience in inventory management, demand planning, purchasing, supply chain, replenishment, or a related analytical role.
• Experience in building materials, construction products, wholesale distribution, retail, or multi-location distribution is a strong asset.
• Understanding of demand forecasting, replenishment, lead times, safety stock, inventory turns, days of supply, and excess inventory.
• Strong analytical and numerical skills to interpret large inventories, sales, and purchasing data.

Responsibilities

• Monitor inventory levels across GMS Canada locations and analyze inventory positions, usage trends, and days of supply.
• Identify shortages, overstock situations, and imbalances between locations, and coordinate actions with Purchasing and business units.
• Support initiatives to optimize inventory investment while maintaining service levels.
• Analyze historical sales and usage patterns to support product-demand forecasts and incorporate known projects and promotions into planning.
• Monitor forecast variances and support development of demand-planning processes across GMS Canada.
• Provide inventory and demand information to support purchasing and replenishment decisions.
• Coordinate with Purchasing on supplier lead times, minimum order quantities, and stock transfers.
• Support national initiatives to standardize inventory management and improve visibility across locations.
• Assist with inventory planning for new products, customer programs, and supplier transitions.

Skills

Inventory management

Demand planning

Purchasing

Supply chain

Analytics

Distribution

Job description

GMS National Inventory & Demand Administrator

Concord, ON L0A

Applying to

- Concord

GMS National Inventory & Demand Administrator

- Concord

Concord, ON L0A

This position provides centralized inventory and demand-planning support across GMS Canada, helping ensure the right products are available in the right locations while optimizing inventory investment, improving visibility, and reducing excess and obsolete inventory.

Position Summary

The GMS National Inventory & Demand Administrator is responsible for supporting the planning, analysis, and coordination of inventory and product demand across GMS Canada.

The role will work closely with Purchasing, Operations, Sales, suppliers, and GMS business units to improve inventory visibility, support forecasting and replenishment decisions, identify potential supply gaps, and help ensure appropriate inventory levels are maintained across the organization.

A key focus of the position will be balancing product availability and customer service requirements with inventory investment, while identifying opportunities to reduce excess, aged, slow-moving, and obsolete inventory.

The role will also provide centralized analytical support to the GMS Canada Purchasing team, helping translate sales trends, supplier lead times, customer requirements, seasonality, and business initiatives into actionable inventory and demand-planning information.

Key Responsibilities

Inventory Management & Analysis

• Monitor inventory levels across GMS Canada business units and locations.
• Analyze inventory positions, usage trends, inventory turns, days of supply, and product movement.
• Identify potential inventory shortages, overstock situations, and imbalances between locations.
• Support initiatives to optimize inventory investment while maintaining appropriate customer service levels.
• Identify aged, slow-moving, excess, and potentially obsolete inventory and coordinate appropriate action with Purchasing and business-unit teams.
• Support inventory balancing and product-transfer opportunities between GMS locations.
• Monitor changes in product demand that could create inventory or service risks.

Demand Planning & Forecasting

• Analyze historical sales and usage patterns to support product-demand forecasts.
• Work with Purchasing, Sales, and Operations to incorporate known projects, customer requirements, promotions, new business, seasonality, and market changes into demand planning.
• Monitor actual demand against forecasts and identify significant variances.
• Support the development and continuous improvement of demand-planning processes across GMS Canada.
• Assist Purchasing in anticipating future product requirements and potential supply constraints.
• Provide visibility into unusual or emerging demand patterns requiring Purchasing or supplier action.
• Provide inventory and demand information to support purchasing and replenishment decisions.
• Review inventory requirements against supplier lead times, minimum order quantities, freight considerations, and purchasing programs.
• Help identify opportunities to consolidate purchases and improve purchasing efficiency.
• Support the development and maintenance of appropriate stocking parameters for nationally managed products.
• Assist with inventory planning related to supplier transitions, product conversions, new product introductions, and discontinued products.
• Coordinate with Purchasing when changes in demand require adjustments to supplier orders or inventory strategies.
• Work with suppliers and the Purchasing team to maintain visibility into product availability and anticipated supply issues.
• Monitor supplier lead times and communicate material changes that could affect inventory availability.
• Assist in identifying products or categories where supply constraints may create customer-service risks.
• Support Purchasing with information required for supplier forecasting and supply-planning discussions.
• Coordinate inventory requirements relating to national supplier initiatives and product rollouts.
• Support inventory planning for new products, customers, locations, and national programs.
• Coordinate initial inventory requirements with Purchasing and applicable GMS business units.
• Monitor inventory and demand following product or program launches and recommend adjustments where appropriate.
• Support inventory planning associated with Home Depot programs and other strategic national customer initiatives.
• Assist in ensuring appropriate inventory is positioned to support customer and operational rollout requirements.

Inventory Reporting & Performance Measurement

• Develop and maintain inventory and demand reports for Purchasing leadership.
• Track key inventory measures such as inventory value, inventory turns, days of supply, stock availability, excess inventory, and aged inventory.
• Develop exception-based reporting to highlight inventory conditions requiring action.
• Provide regular visibility into products with unusually high or low inventory positions.
• Support supplier and category reviews with relevant inventory and demand information.
• Assist with ad hoc inventory, purchasing, and supply-chain analysis.

Cross-Functional Coordination

• Serve as a central resource for national inventory and demand information.
• Work closely with Purchasing, Operations, Sales, Finance, and GMS business-unit teams.
• Help translate customer and sales requirements into inventory and supply needs.
• Coordinate resolution of inventory issues involving multiple GMS locations or business units.
• Support national initiatives designed to standardize inventory management and demand-planning practices.
• Promote greater consistency and visibility in inventory decision-making across GMS Canada.

Key Performance Areas

Success in the role would be measured through areas such as:

• Product availability and appropriate service levels
• Inventory turns and days of supply
• Reduction of excess and aged inventory
• Identification and prevention of potential stock-outs
• Demand and forecast accuracy
• Inventory investment and working-capital efficiency
• Supplier lead-time and supply-risk visibility
• Effective inventory positioning across GMS locations
• Accuracy and timeliness of inventory reporting
• Successful inventory execution for new product and customer-program rollouts

Qualifications & Experience

• 3+ years of experience in inventory management, demand planning, purchasing, supply chain, replenishment, distribution, or a related analytical role.
• Experience within building materials, construction products, wholesale distribution, retail, or a multi-location distribution environment would be considered a strong asset.
• Previous experience supporting inventory or demand planning across multiple branches, distribution centres, or business units is preferred.
• Understanding of inventory-management concepts including demand forecasting, replenishment, lead times, safety stock, inventory turns, days of supply, and excess inventory.
• Strong analytical and numerical skills with the ability to interpret large quantities of inventory, sales, and purchasing data.
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