• Review the modernization proposal, current architecture, assumptions, dependencies, risks, and exclusions • Assess the C application estate, Linux environment, system libraries, build processes, Oracle dependencies, integrations, transaction processing, nightly jobs, and deployment model • Define and validate the RHEL 4 to AlmaLinux 9 modernization approach • Identify code, compiler, package, library, runtime, database, and operating-system compatibility issues • Define the target architecture and phased modernization roadmap • Lead AWS migration architecture and planning, including infrastructure, networking, security, identity, availability, observability, backup, disaster recovery, deployment, cutover, and rollback • Define development, testing, regression, performance, security, and production-validation strategies • Identify practical AI assistance for source analysis, compatibility scanning, remediation, documentation, and testing, and separate validated efficiencies from assumptions • Define workstreams, resource needs, sequencing, customer responsibilities, dependencies, and risks • Provide technical inputs for the revised effort estimate, delivery timeline, staffing plan, and commercial proposal • Lead technical workshops and communicate recommendations to engineering, delivery, commercial, and executive stakeholders • Provide architecture governance during implementation if the program proceeds