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Application Support Engineer

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NTT DATA

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Location:
Malaysia , Cyberjaya

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

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Job Description:

The Application Support Engineer will oversee application governance and readiness for data center migration initiatives. This role requires strong experience in application migration, compliance validation, and stakeholder management. The ideal candidate will have a solid understanding of application architecture and network dependencies, ensuring successful migration and stabilization post-go-live.

Job Responsibility:

  • Governance, Planning & Readiness (Pre‑Migration): Conduct application and dependency assessments
  • Categorize applications by environment, business criticality, RTO and RPO requirements
  • Produce detailed application dependency mapping
  • Identify hard dependencies such as IPs, VLANs, hostnames, firewall rules, and certificates
  • Compliance, Risk & Architecture Validation: Validate data residency and regulatory compliance
  • Ensure proper segregation of MY PROD and SG DR environments
  • Perform application impact and risk assessments
  • Identify single points of failure and define mitigation and rollback strategies
  • Validate network design, connectivity flows, firewall directionality, and IP requirements
  • Review application configurations requiring updates
  • Pre‑Migration Preparation: Standardize and clean up application environments
  • Decommission obsolete components and unused configurations
  • Ensure backup readiness and successful restore validation
  • Validate certificate readiness, expiry, and renewal needs
  • Review secrets management and keystore configurations
  • Migration & Cutover Support: Support change and release management activities
  • Coordinate application shutdown/startup sequencing during cutover
  • Support clustering and node management activities
  • Monitor logs, connectivity, and error rates during migration
  • Perform smoke tests and provide real‑time updates
  • Post‑Migration Validation & Stabilization: Execute functional validation
  • Validate DR readiness for SG environment
  • Support DR simulations and update runbooks
  • Monitor performance, latency, throughput, and stability during hypercare
  • Support transition to Business‑As‑Usual (BAU)
  • Documentation, Communication & Stakeholder Management: Update application architecture, network, and environment topology documentation
  • Act as Single Point of Contact (SPOC) across teams
  • Provide migration status, risks, and go‑live readiness updates
  • Support audit, evidence requests, and post‑implementation reviews
  • Capture lessons learned and drive continuous improvement initiatives

Requirements:

  • Strong experience in application migration, data center moves, or platform restacks
  • Solid understanding of application architecture, infrastructure, and network dependencies
  • Experience with regulated environments and compliance frameworks
  • Hands‑on knowledge of risk assessment, impact analysis, and change management
  • Strong coordination and stakeholder management skills
  • Excellent documentation and communication abilities
  • Ability to work under pressure during cutover and high‑risk migration windows
  • Application Dependency Mapping
  • Migration Planning & Cutover Execution
  • Risk & Impact Analysis
  • Compliance & Regulatory Alignment
  • Network & Configuration Readiness
  • Stakeholder & Change Management
  • Incident, War‑Room & Hypercare Support

Additional Information:

Job Posted:
April 16, 2026

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