Lead Application Migration Architect

Tata Consultancy Services Limited

Irvine, CA, United States

about 1 month ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Compensation

$120,000.0 - $140,000.0

Working hours

Regular working hours

Job source

www.indeed.com

Tech stack

Java (Programming Language) .NET Framework Amazon Web Services Amazon Elastic Compute Cloud Amazon S3 Application Performance Management Cloud Computing Cloud Engineering Continuous Integration Middleware Oracle Exadata Identity and Access Management

+8 more

Microsoft SQL Server Windows Servers Oracle (Applications) Red Hat Enterprise Linux Amazon Virtual Private Cloud (VPC) Backend TIBCO (Software) Web Api

Job description

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.

Requirements

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.