US Application Architect - Application Modernization

• Architect role for a modernization program rehosting legacy mainframe applications to UniKix.
• Responsible for defining testing strategy, evaluating and adopting tools, enabling reverse engineering, executing POCs, and ensuring quality, performance, and functional equivalence of migrated applications.
• The role works closely with client application SMEs, testing teams, and migration teams.

Project description:

• Define end to end testing scope by identifying in scope application components (batch jobs, online transactions, screens) and required testing types (system, integration, regression, performance, comparison).

• Analyze and document internal/external dependencies and data inflow/outflow in source and target (UniKix) environments, including integrations with distributed systems, MQ, and other mainframe systems.

• Identify, evaluate, and recommend tools and accelerators for:

• Baseline, comparison, and regression testing

• Reverse engineering of legacy applications

• Performance and load testing across mainframe and Unix environments., The Application Architect Application Modernization is responsible for designing and guiding the transformation of legacy systems into modern, scalable, and cloud-native architectures. This role combines deep technical expertise with strategic vision to ensure that applications are restructured, replatformed, or refactored to align with current business needs and future growth., * Lead the end-to-end architecture of modernization initiatives across cloud platforms (AWS, Azure, IBM Cloud, Google Cloud).

• Design microservices, APIs, data models, and integration patterns that support modular, scalable, and maintainable applications.

• Define containerization and orchestration strategies using Docker and Kubernetes.

• Architect secure, resilient, and compliant systems with a focus on cloud-native security and governance.

• Collaborate with development, DevOps, and infrastructure teams to implement CI/CD pipelines and automation frameworks.

• Guide the adoption of generative AI technologies (Watson, Azure OpenAI, Bedrock, Vertex AI) into modernized applications.

• Develop modernization roadmaps using methodologies like AMM (Application Modernization Method) and tools such as ICA (IBM Cloud Automation).

• Ensure robust testing governance and performance optimization throughout the modernization lifecycle.

• Provide architectural oversight for data migration, legacy system integration (e.g., RPG, AIX, Mainframe Z), and hybrid cloud deployments.

• Strong experience with mainframe technologies: COBOL, JCL, CICS, DB2, VSAM.
• Working knowledge of UniKix or similar mainframe rehosting platforms.
• Experience in mainframe modernization/rehosting programs.
• Expertise in testing strategy, regression/comparison testing, performance testing, and reverse engineering.
• Familiarity with Unix/Linux and distributed systems.
• Proven experience leading POCs, tool evaluations, and client demos.
• Strong documentation, analytical, and stakeholder management skills.

Nice to have skills:

• Rehosting (Mainframe to UniKix)

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