Linux Administrator

5 days ago

Hyderabad, India YASH Technologies Full time

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 .

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