Position: System and DevOps engineer
Category: Sysadmin
English level: pre
Years of experience: 4


Installed, configured, and maintained services such as DNS, DHCP, NFS, Apache Web Server, Samba, SSH, RPM and YUM Repository.
Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
Worked with DBA's, Networking Team, and Developers to resolve their daily issues.
Performed standard system administration tasks such as troubleshooting and problem resolution, patching, installing packages using rpm and yum, drivers, software and hardware upgrades..
Performed automated installations of Operating System using kickstart for Red Hat Enterprise Linux /6/7.
Wrote Python scripts for various system tasks such as back-ups, collecting and sorting logs, installation and monitoring.
Configured iptables firewall and hardening Linux systems for system security.
Managed disks and file systems using LVM.
Administered Zabbix monitoring tools for servers monitoring and incident alerts.
Monitored performance of servers using tools such as sar, top, free, vmstat, iostat, traceroute, etc.
Monitored and maintained the disk space and backup systems, and implemented change controls, capacity planning and growth projections on the systems.
Performed troubleshooting existing user accounts, security objects and authorizations to resolve security conflicts by creating sudo rules, supporting users, setting up new accounts and password resets.
Involved in daily incident management and resolved the day to day problems raised by the users and incidents which are logged by Event monitoring system.