As part of the H-Cloud Unix team, the incumbent will provide subscribed services for Unix/ Linux OS 24 x 7 administration and support. They are expected to be a team player, contributing to both operations and project support.
Role and Responsibilities
- Responsible for the administration and maintenance of Linux servers, RedHat Virtualization and Ansible, to:
- Provide day-to-day systems administration and operations, including 24 x 7 standby
- Plan and perform installation, configuration and migration of OS and related hardware and software
- Plan and perform scheduled preventive maintenance, OS patching/upgrades/hardening, after-office hours
- Troubleshoot incidents, system problems and handle escalations to vendors
- Provide system performance tuning, optimization and capacity planning
- Automate tasks and workflows, through shell, Ansible, Python, Ruby scripts and programming, including provisioning / deprovisioning of Virtual Machines (VMs), patching, configurations, software deployment, monitoring and integration with other tools
- Establish, standardize and maintain systems backup that is in line with recovery strategy
- Establish, standardize and maintain best practice processes, procedures, system documentation and reports so as to streamline and enhance the operational environment
- Provide technical support and advice for projects
- Fulfil service requests and change requests
- Proactively contribute to continual improvement programs
- Work/collaborate with other teams and vendors, where applicable
- Provide progress reports and to escalate issues to supervisor
- Work with various teams (VMWare, NetBackup, & hardware) as needed to support the infrastructure.
- Keep abreast of new technologies and its applicability to their area of work
Requirements
At least 6 years’ experience in the administration of Linux Servers in an enterprise environment.
Strong technical knowledge and experience in administration and maintenance of Linux(RedHat Linux/SUSE/CentOS) including:
- Clustering (Pacemaker cluster)
- RedHat Virtualization or Oracle KVM (oVirt)
- Storage Admin/SAN technology, in particular, from System perspective
- System and network security, including use of RBAC
- SSH/SFTP/SSL
- DR implementation
- Shell Scripting (Unix shell) Ansible, Python and/or Ruby will be an added advantage
- Knowledge of containers, Kubernetes and DevOps, Web servers, Tomcat will be an added advantage
- Certifications in the above administration skills will be an added advantage
