IT Assistant Manager (Business Solution)

Report to : IT Manager Business Solutions
Department : IT

Who You Are:

The IT Assistant Manager Business Solution is responsible for supporting and managing business-critical applications for Japan with a primary focus on Retail POS Inventory Management ERP Merchandising and related system integrations.

This role provides functional and technical application support coordinates incident resolution and system enhancements and helps ensure the stability accuracy and availability of applications that support daily store and corporate operations.

The position serves as a key liaison among business users store teams Global IT teams vendors and service providers translating business requirements into practical and sustainable technology solutions.

The successful candidate will combine strong retail process knowledge hands-on application support experience and effective stakeholder collaboration to improve business processes data integrity and user satisfaction.

What Youll Do:

Business Application Support

• Support and maintain business-critical applications used by Retail Merchandising Inventory Management Finance eCommerce and Corporate functions.

• Provide Level 2 and Level 3 functional and technical support coordinating with Global IT teams and vendors when escalation is .

• Manage application incidents service requests and problem investigations to minimize business disruption.

• Monitor application health scheduled jobs interfaces and data-processing activities and resolve operational issues promptly.

• Maintain application documentation support procedures system configurations and operational controls.

Retail POS & Store Systems Support

• Support Retail and POS applications that enable sales transactions pricing promotions inventory visibility returns and store operations.

• Partner with Retail Operations and store users to investigate business-critical issues and support business continuity during peak trading periods.

• Coordinate testing and deployment of application changes affecting stores including release readiness communication and post-deployment validation.

• Promote consistent support standards and effective use of retail applications across locations.

Inventory ERP & Merchandising Applications

• Support applications and processes related to inventory management merchandising product data purchasing allocation replenishment and stock control.

• Collaborate with business stakeholders to analyze requirements assess process impacts and translate operational needs into application solutions.

• Investigate data discrepancies and process failures across upstream and downstream systems and coordinate corrective actions.

• Contribute to improvements that enhance inventory accuracy operational efficiency and business visibility.

System Integration & Data Management

• Support integrations among POS ERP Warehouse Management Systems (WMS) eCommerce platforms CRM and other enterprise applications.

• Monitor APIs scheduled interfaces file transfers and data synchronization processes and coordinate the resolution of failures or inconsistencies.

• Validate data flows and support root cause analysis to maintain data accuracy completeness and reliability across connected systems.

• Maintain interface specifications support documentation and relevant operational procedures.

Application Projects & Continuous Improvement

• Participate in application implementations upgrades enhancements and business transformation projects from planning through stabilization.

• Gather and document business requirements functional specifications process flows risks dependencies and acceptance criteria.

• Coordinate system integration testing and user acceptance testing (UAT) including defect tracking retesting and business sign-off.

• Support release planning user communication training deployment and post-implementation review.

• Identify opportunities for automation process standardization improved reporting and more efficient support delivery.

Vendor & Stakeholder Management

• Coordinate with application vendors implementation partners and managed service providers to ensure effective support and delivery.

• Track vendor actions service quality issue resolution and project deliverables escalating risks or delays as appropriate.

• Build strong working relationships with store teams business functions regional stakeholders and Global IT teams.

• Communicate application performance incidents risks project status and improvement plans clearly to relevant stakeholders.

Security & Compliance

• Ensure application support activities comply with corporate security standards access-control requirements data-protection expectations and audit obligations.

• Support user access reviews remediation activities evidence collection and application-related compliance initiatives.

• Ensure appropriate testing approvals documentation and change controls are applied to application updates.

What Youll Bring:

Were looking for someone with the following experience and skills but these arent set in stone. If you bring something extra to the table wed love to hear from you!

• Bachelors degree in information technology Computer Science Business Information Systems or a related field or equivalent professional experience.

• 5 years of experience supporting Retail applications including at least 3 years of experience within a multinational company.

• 5 years of experience supporting Inventory Management ERP Merchandising or other retail business applications.

• Strong understanding of retail business processes including Sales Inventory Management Pricing Promotions Replenishment and Stock Management.

• Hands-on experience with enterprise retail platforms such as Aptos JDA/Blue Yonder or comparable solutions.

• Proven experience supporting integrations among POS ERP Warehouse Management Systems (WMS) and eCommerce platforms.

• Strong analytical troubleshooting and problem-solving skills with the ability to manage multiple priorities in a fast-paced retail environment.

• Demonstrated ability to respond flexibly to changing business priorities technologies and operational challenges while collaborating effectively with team members and cross-functional stakeholders.

• Customer Store Employee oriented mindset with a strong commitment to service quality and practical business support.

• Fluent Japanese communication in both written and verbal with the ability to work effectively with store associates business stakeholders vendors and external partners.

• Good command of written and spoken English for effective collaboration with Global IT teams and international stakeholders.

• Experience participating in system implementations application enhancements upgrades and business transformation projects is highly desirable.