job_description.job_card.job_description10+ years of progressive experience in infrastructure engineering and architecture roles.Deep hands-on expertise in Windows Server (2016 / 2019 / 2022) , Active Directory , VMware vSphere / ESXi , and RHEL 7 / 8 / 9 .Strong experience with Terraform and Jenkins for infrastructure as code and CI / CD automation.Demonstrated leadership in large-scale OS upgrades , data center migrations , and Go-Live events .Proven ability to conduct dependency mapping and lead complex infrastructure transitions.Solid understanding of regional network architectures , WAN / LAN design, and site-to-site connectivity.Excellent communication and stakeholder engagement skills, with experience presenting to executive leadership.Strong scripting and automation skills (PowerShell, Bash, or Python).