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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 .
