Roles & Responsibility:
- Provide full support to the operating system from its provisioning, configuring, managing, patching to its decommissioning.
- RHEL Upgradation from RHEL 6 to RHEL 7/8 and OS Migration from CentOS to Ubuntu.
- OS Patching on production environment, troubleshooting and providing RCA by ensuring permanent solution.
- OS hardening and vulnerability mitigation to ensure OS is secured.
- Work with Ansible Playbooks, ad-hoc commands for bulk deployment & configuration.
- Configure and resource management of PCS Cluster on RHEL virtual servers.
- Migrate resources and cluster disks on Veritas Cluster Servers (VCS) during planned activities.
- Implement concepts of LVM for better filesystem management/utility, increasing CPU/Memory, Swap and disks as part of performance tuning.
- Participate in DR-DC activities and managing OS responsibility.
- Implement & Test SuSE Manager for upgradation and patching of SLES servers.
- Troubleshoot and OS management for Ubuntu and SuSE Servers.
- Secure the network connection to services by tweaking OS firewall rules, managing SELinux.
- Implement with backup team (Commvault and NetBackup), database teams (Oracle, DB2, MySQL and PostgreSQL) and development teams to resolve their open issues.
Requirements:
- Graduate with 4 years of relevant industry experience across a wide variety of IT projects.
- Atleast 5 years of RedHat Enterprise Linux (RHEL) administration / engineering experience with strong troubleshooting skills
- Experience in Infrastructure builds, Datacenter migration and project support
- Knowledge on Veritas/RHEL cluster, Block and object storage, Networking
- Understanding of Virtualization technologies
- Experience with Capacity management, Resiliency and Business Continuity Planning and execution
- Experience with Infrastructure automation - Puppet, Ansible mandatory
- Experience working on multiple service improvement programs and able to prioritize work loads
- Knowledge of DevOps, Work experience in SRE roles mandatory
- Knowledge of cybersecurity and system security best practices
- Experience with multi-tiered application architectur
Sumit Sambhi
EA License No. – 23C2060
EA Registration No. - R1330510
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