Solutions Architect (C-Linux Migration)

We are looking for an experienced Solution Architect to design and lead the modernization of a 15-year-old backend platform built in C on Red Hat Enterprise Linux 4 , with the goal of migrating and running it on AlmaLinux 9 in the Amazon Web Services (AWS) cloud.
This role will focus on porting, refactoring, and rearchitecting legacy C code to work on a modern Linux environment and defining the cloud-ready architecture, roadmap, and migration plan.
Key Responsibilities
Perform deep-dive assessment of existing RHEL4-based C application stack, dependencies, IPC mechanisms, flat file systems, and cron/night job processes.
Identify obsolete libraries, system calls, and deprecated functionalities that require rewriting or alternative implementation for AlmaLinux 9.
Create a robust target architecture on AWS leveraging EC2, networking, IAM, and security best practices.
Build a phased migration and modernization roadmap, including cost and effort estimation.
Define build and compilation toolchains, CI/CD approach, and testing strategies for the modernized C codebase.
Collaborate with TuxCare consulting team to leverage expertise on legacy OS support and compatibility layers.
Document all findings, prepare proposal decks, and support presales/solutioning discussions.