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Lead Migration Architect

Job in Irvine, Orange County, California, 92713, USA
Listing for: Tata Consultancy Services
Full Time position
Listed on 2026-03-05
Job specializations:
  • IT/Tech
    Systems Engineer, Cloud Computing
Salary/Wage Range or Industry Benchmark: 120000 - 140000 USD Yearly USD 120000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: Lead Application Migration Architect

Job Description

Lead Application Migration architect

  • 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.
Qualifications
  • BACHELOR OF COMPUTER SCIENCE

Salary Range: $120,000-$140,000 a year

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