01Overview
Role & responsibilities
- Minimum 8-12 years Operations Experience in 24x7 high-availability Linux Production environment.
- Hands-on experience with Linux and high availability solutions.
- Understanding of UNIX/Linux Operating Systems - Red Hat, SuSe, Ubuntu and other flavours of Linux
- - Files systems - EXT2,3, GFS, NFS, XFS
- - UNIX kernel admin/tune
- Strong troubleshooting skills.
- Familiarity with scripting on Bash/Korn etc. will be an added advantage.
- Work with application specific kernel parameters, system hardening, implement firewall, allow and disallow port access. Work with latency sensitive workload that includes process scheduling, memory, network and overall performance tuning of RHEL.
- Logical Volume Manager (LVM).
- User Administration, Patch, Package Management, security patches.
- Performance Monitoring and Fine Tuning of System using iOS tat, vmstat, netstat and sar.
- Hands-on experience on open-source monitoring tool like Nagios, Icinga, Grafana is required.
- Should perform installation, implementation, customization, operation, recovery and performance tuning.
- Working knowledge of Software based load balancers.
- Act on Day to Day House Keeping tasks by using tools & scripts.
- Install and maintain security patches on the operational and development system.
- Good Knowledge in installation, Administration of Database like My-SQL, MariaDB.
- Red-Hat Certification will be an added advantage.
- Should have knowledge of application high availability, DC-DR Drills, RTO, RPO.
- Experience with virtualization technologies, such as VMware, Nutanix.
- Linux Software installation (rpm, yum, source code).
- Performance management & system recovery.
- Understanding and tunning of Kernel parameters.
- Hands knowledge of Automation products like ANSIBLE.
- Hands knowledge of Dockers, Containers, Kubernetes.
- Managing file backup with tar, gzip, untar, gunzip, cpio and veritas.
- Configuration and troubleshooting of the job scheduler (Cron and at).
- Positive working knowledge of HAProxy, Keepalived and Iptables/Firewall.
- Knowledge on MS-Windows OS will be an added advantage.
- Must possess significant work experience in a production, mission-critical environments.
- Should have exposure of facing Security/compliance Audits.
- Knowledge of Cloud technologies will be an advantage.
- Job role will involve travelling within City/ State/Country/Abroad .
