Job Description :
Linux (Red Hat / CentOS)
? System administration activities (build, support, manage, patch, break / fix, root cause analysis, troubleshooting, etc
? Linux Clustering

Solaris
? System administration activities (build, support, manage, patch, break / fix, root cause analysis, troubleshooting, etc
? Solaris Clustering
? Solaris virtualization technologies (LDOM / CDOM / Containers)
? Oracle RAC
? High availability solutions

AIX
? System administration activities (build, support, manage, patch, break / fix, root cause analysis, troubleshooting, etc
? Clustering
? LPAR virtualization technologies
? GPFS

Windows
? System administration activities (build, support, manage, patch, break / fix, root cause analysis, troubleshooting, etc
? Windows Clustering

Unix/Linux/Windows Certification Preferred