Manager, APAC SIOP & Planning

Barnes Aerospace Singapore, with legal entity name - Windsor Airmotive Asia Pte Ltd in the Accounting and Corporate Regulatory Authority (ACRA), is a leading provider of Maintenance, Repair, and Overhaul (MRO) services and spare parts for many of the world's major turbine engine manufacturers, airline operators, and third-party providers. The Barnes Aerospace Singapore OEM Division is a world-class provider for Original Equipment Manufacturer (OEM), specializing in precision stamped assemblies and tight tolerance machining, serving a robust global customer base throughout the aerospace industry. To learn more about Barnes Aerospace, please visit www.barnesaero.com.

Barnes Aerospace is seeking a Manager, APAC SIOP & Planning to lead regional SIOP, forecasting, capacity planning, inventory optimization and Kinaxis deployment. This role works through site planning managers to align plans, challenge assumptions and resolve regional gaps. Site teams retain accountability for daily scheduling, production control, material execution and delivery commitments. The role partners with central Demand Planning and applies global CRO planning methods with the Aftermarket SIOP Director.

Core Responsibilities: 

• Lead regional SIOP: Build and consolidate site Demand, Supply, and Inventory plans; escalate risks and track agreed actions


• Develop and align APAC forecasts with central Demand Planning and Commercial using site inputs and customer outlook.


• Create and challenge site load, capacity and headcount plans; drive scenarios and cross-site tradeoffs.


• Lead APAC Kinaxis business deployment, standards and adoption; coordinate site data readiness, testing and training.


• Build scenarios for demand changes, material constraints, hiring, overtime and offload options.


• Set inventory targets and policies with sites; track excess, stranded material and WIP actions and escalate gaps.


• Reconcile regional SIOP with revenue, workforce and working-capital forecasts.


• Coach site planners, establish portfolio ownership and apply global OEM and CRO planning standards.

Qualifications: 

• 7+ years in SIOP, supply chain planning, materials or operations within complex manufacturing.


• Experience in demand forecasting, work-center load and capacity planning, workforce planning and inventory management.


• Experience leading monthly SIOP or IBP reviews and converting analysis into practical actions.


• Strong cross-functional leadership and ability to challenge site teams constructively.


• Experience deploying and adopting planning systems; Kinaxis preferred. Strong Excel and ERP capability.


• Experience improving planning processes across multiple sites; aerospace OEM or CRO experience preferred.

Education Requirements:

• Bachelor’s Degree in Supply Chain, Engineering, Operations, Business or related field.