Linux Administrator

5 days ago

Hyderabad, India Tata Consultancy Services Full time

Desired Competencies


· Operating Systems: Red Hat Enterprise Linux 5.x, 6.x and 7.x, Ubuntu, Cent OS, Oracle Enterprise Linux, Sun/Oracle Solaris 8,10 · Automation & Tools: Ansible Playbooks, Nagios, Redhat Satellite Server, Solaris Jumpstart, Kickstart Installations, Splunk · Virtualization Technologies : VMware vSphere 5.x, 6.x, Oracle VM (SPARC and X86), Solaris zones, Sun LDOM, Hyper Converged Virtualization on Nutanix. · Volume Manager : VERITAS Volume Manager (VxVM), Solaris ZFS, Sun Volume Manager, Linux LVM, VxFS, ZFS, NFS. · Scripting: Shell, Ansible, JSON


Responsibility


· Responsible for handling escalated incidents and High Availability environment incident Management on UNIX Platform [LINUX & Solaris]. · Hands on experience in Creating / Managing RHEL VMs and Solaris 10/11 Zones · Expertise in managing system logs by using tools, working on security vulnerabilities · Routine Performance Analysis, Capacity analysis, security audit analysis reports to customer for necessary planned changes · HA engineering for architecture of HA environment with OS / patch Release management, Application load and maintain configuration of Central OS image servers. · Scripting for monitoring/ automating the Sys admin activity for change scheduled as projects on multiple servers. · Disaster Recovery planning and conducting DR tests. · · Ongoing support for mission critical applications. Including troubleshooting, break/fix, ad hoc requests at the server infrastructure level. · · Infrastructure and mission critical support for frequent application software upgrades. · · Experience and troubleshooting with all flavors of the Unix/Linux operating system. (i.e. RHEL,

Ubuntu, Solaris, AIX, HP-UX) · · Experience and troubleshooting with networking infrastructure, VMWare ESXi, Nutanix AHV, Veritas Cluster Server (VCS), Veritas Volume Manager (VxVM), Veritas Dynamic Multipathing (DMP). · · Experience with shell scripting, Ansible automation, git version control system. · · Work and communicate with other teams to troubleshoot, provide insight, and provide solutions.

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