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概要
I am working in the IT for 10+ years, managing the configuration and administration of mission critical infrastructure.
My interest is in Linux, particularly RedHat Enterprise Linux. Currently I am working as a System Administrator. In this capacity, I'm responsible for the installation, configuration, up-dation/upgradation and troubleshooting the operational issues of RedHat Enterprise Linux operating system.
In addition to managing the daily operations and related processes, my responsibilities are identifying potential bottlenecks and working with different teams to proactively resolve them, availability management, improving operational maturity by deploying proactive wellness checks.
I'm well versed in using tools and technologies such as docker/podman and Ansible. I'm also a RedHat Certified Administrator.
工作经历
Associate Manager System Administration
Deployment and configuration and maintenance of Linux-based systems (RedHat, Oracle Enterprise Linux, etc).
Performing the daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes.
Administering Windows and Linux Servers networks, domains, users, groups roles and services.
Creating and maintaining process related documents for internal and regulatory audits.
Coordination with the development/vendor teams for UAT environment configurations and pushing of new features on production environment.
Hardening of Linux servers.
Troubleshooting of production servers in case of any operational issues observed to ensure availability of all running applications and services.
Configuration of local storage.
LVM Management.
Installation of security patches.
Update of RHEL based servers.
NFS server configuration and maintenance.
Docker installation, configuration on RHEL9.3.
Creation of simple shell scripts.
Identification of CPU/memory intensive process and kill processes.
Diagnose and correct file permission problems.
Schedule tasks using at and cron.
Configuration of time service clients.
Modification system bootloader.
Configuration/Management of local users and groups, super user access configurations.
Linux security management including firewall, file permissions, SELinux, and ssh key based authentication configuration.
Management of System networking.
Maintenace of local repository (serving through Apache web server) for the availability of latest packages installation as per requirements on RHEL systems.
Senior Officer System Administration
Regional IT Coordinator
Maintenance and management of IT systems and networks.
Ensure the functionality and efficiency of computer systems by establishing protocols, providing technical support, and advising on IT choices.
Providing technical support and training for systems and networks.
Maintenance of local area network.
Configuration of network switches.
Acted as link between end users and higher level support.
Installtion and configuration of software and hardware (printers, network cards etc.)
Monitoring of system and network performance.
Perform troubleshooting, repairs and data restoration.
Collaboration with other professionals to maintain standards and functionality.
Provided advice on the most suitable IT choices.
Keeping an inventory of electronic assets.
Providing staff with training on how to use hardware and software.
Creating instructions for program installation sequences.
