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Linux Administrator
2 months ago
Experience
4-6 Years
Job Description
Installation, Upgradation, Configuration, Maintenance, Patch/Package management and Troubleshooting of the Operating systems and services.
Installation and configuration of SMTP servers.
LVM tasks like Volume group creation, File system creation/extension, Logical Volumes.
Supporting high availability, fail-over, fallback using Veritas Cluster Server. Freezing, switching service groups in VCS cluster.
Hardware Maintenance and coordinating with Vendors like Red Hat, Oracle, Symantec, and IBM.
Monitoring System Performance of Virtual memory, Managing, Swap Space, Disk utilization and CPU utilization.
Hardware replacement including Battery, DIMM, Hard Disk, System Board, Power supply Fan and HBA Card in Red Hat HP ILO machines.
Implementing SSH Tectia key for password less connectivity.
Managing file system like monitoring sizes, resolving inconsistencies.
Configured Network bonding, log rotate, password policy, Apache configuration in all the Linux servers.
Managing Users and Groups and applying security permission to users and directories
Document process and preparation of run books.
Troubleshooting issues related to local user accounts, NIS, NFS, NTP, network issues, memory issues, etc. and servicing user requests.
Performing data restores on Unix servers.
Awareness and basic knowledge of Bhoomi application running on redhat8 servers. (Good to have)
Required Technical/ Functional Competencies
Installing and configuring SLES, Centos, UBUNTU & Red Hat Enterprise Linux operating systems and related software on physical and virtual servers.
Administering and managing user accounts, groups, and permissions.
Managing file systems, and permissions
Monitoring system performance and troubleshooting issues.
Managing system updates and patches.
Ensuring system security by configuring firewalls, implementing security policies, and monitoring system logs.
Monitoring system performance and troubleshooting issues related to system resources.
Configuring and managing storage devices and file systems.
Implementing and managing backup and disaster recovery solutions.
Installing and configuring network services, such as DHCP, DNS and FTP.
Writing and maintaining scripts to automate system administration tasks.
Providing technical support to the client and resolving issues related to the Linux operating system.
Must be aware of Cloud / VMware.
Collaborating with L1 and L2 support teams and vendors to ensure timely resolution of issues.
Maintaining system documentation and following change management processes
Providing technical support to end-users, troubleshooting, and resolving issues.
related to system performance, network connectivity, and software applications.
Hands on experience on cluster management (OS level)
OS Kernel performance tuning
Good Knowledge with commands like DF, TOP, VMSTAT, FREE, SAR, YUM etc.
Must be knowledge of Redhat Satellite server.
CERTIFICATIONS:
Any of the below or combination of Certifications is required for Operation engineer.
RHCE/RHCSA
Cloud certification
ITIL V4 (Understanding Incident Management and Service Request Management)
ITSM (Any tool , Understanding of Concepts)
Monitoring (Any tool, Understanding of Concepts)
QUALIFICATIONS AND EDUCATION REQUIREMENTS
Educational Degree – Any Engineering / Graduation degrees / DIPLOMA
EXPERIENCE
4 to 6 years in Linux or Cloud Support .
