Owning the OS and container platform for on-premises energy-management deployments, the full-time Senior RHEL Engineer will build and harden tailored RHEL images and manage containerized Ignition SCADA workloads while acting as the deep RHEL authority and L3 escalation point in a remote capacity with occasional travel to client sites. Key responsibilities Build, version, and maintain a reproducible, turnkey RHEL image tailored to SCADA host needs Own the SCADA container image end to end, including hardening and scanning Troubleshoot full-stack OS and container runtime behavior, documenting runbooks for the OT team Required qualifications 7+ years of senior, hands-on production RHEL/Linux engineering experience Proficiency in container-native delivery using Podman and managing container images Experience in reproducible, turnkey, versioned RHEL image building Knowledge of OS and image hardening to recognized baselines (CIS/STIG) Strong Linux networking skills, including firewall administration and connectivity diagnostics