Linux Infrastructure Engineer- 10+ yrs- New York, New York- Onsite

Kindly suggest the skill cluster for the below JD,JD:12+ years of extensive hands-on experience in Unix/Linux administration andenterprise infrastructure management.Strong expertise in automation using Puppet, Chef, Ansible, TerraformStrong experience with installation, configuration, administration, and support ofenterprise infrastructure and operational tools.Deep understanding of system security hardening, vulnerability remediation, patchmanagement, and access control best practices.Advanced troubleshooting and root cause analysis skills with the ability to resolvecomplex technical issues across multiple infrastructure layers.Solid knowledge of core networking concepts including TCP/IP, DNS, subnetting,routing, and firewall fundamentals.Strong written and verbal communication skills with the ability to document designs,procedures, and technical recommendations clearly.