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Tata Consultancy Services · Irvine, CA

Lead Application Migration Architect

Irvine, CAManager or lead$120,000-$140,000

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.

Apply on Tata Consultancy Services’s careers site →

Job description

Lead Application Migration Architect Must Have Technical/Functional Skills

  • Strong architectural expertise across Java, .NET, TIBCO ESB, and distributed enterprise systems.
  • Deep experience in Application Discovery, dependency mapping, and service analysis.

Knowledge of backend systems

  • Oracle 19c, Oracle Exadata on AWS, and SQL Server.

Understanding of hosting environments

  • Windows Server 2016–2025 and RHEL 7–9.
  • Ability to assess cloud readiness, migration complexity, and modernization opportunities.
  • Strong understanding of network, integration, authentication, and storage dependencies.
  • Experience producing HLDs/LLDs, sequence diagrams, integration maps, and migration assessments.
  • Familiar with CI/CD, config mgmt, cloud-native design, and application performance tuning.
  • Strong analytical/problem-solving skills to uncover migration risks and gaps.
  • Ability to collaborate with infra, DB, cloud, and security teams effectively.
  • Strong experience architecting applications on AWS EC2, ALB/NLB, EBS, EFS, FSx, and S3.
  • Understanding of connectivity patterns for Oracle Exadata on AWS and application tiers.
  • Familiar with AWS migration tools (MGN, DMS, SCT), IAM integration, and VPC design.
  • Ability to define observability, monitoring, and operational models post migration.
  • Awareness of modernization options (EKS/ECS) for future evolution of application stacks.

Roles & Responsibilities

  • Lead end-to-end application discovery, dependency mapping, and readiness analysis.
  • Document integration flows, DB dependencies, API calls, schedulers, and ESB interactions.
  • Define cloud migration blueprints for rehost, replatform, and modernization strategies.
  • Coordinate technical alignment with infra, network, DB, middleware, and cloud architects.
  • Develop cloud deployment architectures for EC2-based workloads and supporting services.
  • Assess performance baselines, OS/runtime compatibility, and optimization requirements.
  • Review application code/architecture patterns to ensure cloud suitability.
  • Produce runbooks, migration playbooks, architectural diagrams, and transition documents.
  • Support cutover waves with validation of app behavior and integration continuity.
  • Provide governance and oversight across all migration lifecycle stages. Salary Range- $120,000-$140,000 a year

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