Senior Business Analyst (Core Banking) - CXO

About the role

EY is hiring a Senior Business Analyst (Core Banking) in Bangkok to lead large-scale core banking implementations. The role combines executive engagement with hands-on business analysis, covering requirements definition, solution design, vendor alignment and program delivery across complex, multi-stakeholder retail banking transformations.

Key responsibilities

• Act as the senior business representative to executive sponsors and steering committees, translating business strategy into clear program objectives and measurable outcomes.
• Lead the definition, prioritization and validation of business capabilities, end-to-end processes and target operating models, supporting cloud-enabled and API-first architectures.
• Decompose complex requirements into implementable scope across CASA, deposits, lending, payments and adjacent modules.
• Advise program leadership on governance, risks, dependencies and release sequencing, ensuring requirements traceability, acceptance criteria and go/no-go readiness.
• Serve as the main liaison between business units (Retail, SME, Commercial), technology teams and external vendors, driving scope alignment, prioritization and SLA adherence.
• Mentor business analysis and cross-functional teams and ensure adherence to delivery methodologies (Agile and/or Waterfall), quality standards and performance metrics.
• Contribute to go-to-market positioning and support pre-sales or advisory activities where required.

Required profile

• Thai native / Thai speaking only: spoken and written proficiency for stakeholder communication and requirement elicitation.
• CXO or CXO-1 level with up to 15+ years' experience in banking or financial services.
• Minimum 5 years leading core banking transformation programs (consulting firm or large bank).
• Deep knowledge of core banking modules (CASA, deposits, lending, payments) and retail banking processes, including regulatory and reporting implications.
• Proven track record delivering large-scale core banking implementations and migrations, with both Agile/Scrum and Waterfall experience.
• Strong executive presence, facilitation, negotiation and communication skills, and proven problem-solving ability.

Nice to have

• Prior experience with major core banking platforms and vendors.
• Experience leading multi-region transformation programs and transformation offices.