Lead Application Migration Architect (1141483)

Location: Tustin, CA

Salary: $130,000.00 USD Annually - $140,000.00 USD Annually

Description

Lead Application Migration Architect

Irvine, CA

Fulltime

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.
  
  

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