About the Role :
We are looking for a seasoned Linux Administrator with strong experience in managing Linux-based environments and virtualization platforms such as ESXi and Acropolis Hypervisor.
This role requires a self-motivated professional who can take ownership of critical server infrastructure, ensure uptime, and provide advanced-level technical support across multiple platforms.
Key Responsibilities :
- Manage and administer Linux servers (CentOS, Fedora, RHEL) in both physical and virtualized environments.
- Setup, configure, and maintain cPanel, Apache, Tomcat, and various mail servers (Zimbra, Postfix, MS Exchange).
- Perform regular system maintenance, patching, and updates.
- Administer and troubleshoot virtualized environments using ESXi, Acropolis Hypervisor, Citrix, and Proxmox.
- Experience in RAID configurations (hardware and software) and server hardware management.
- Deploy, monitor, and optimize virtual machines and clusters.
- Perform basic administration, tuning, and backup of MySQL and PostgreSQL databases.
- Write and maintain automation scripts using Bash, Batch, or other relevant scripting languages.
- Automate routine tasks, including server provisioning and patch management.
- Setup and maintain monitoring systems like Nagios, Zabbix, Zenoss, and Cacti to ensure server health and performance.
- Implement effective backup strategies, data recovery, and DR procedures.
- Configure and troubleshoot core networking services : DNS, DHCP, FTP, NFS, Samba, Squid Proxy, etc.
- Design and enforce network security policies using IPTables, Firewalld, and access control lists (ACLs).
- Conduct vulnerability assessments and implement system hardening procedures.
- Create and manage user accounts, permissions, and password policies.
- Audit system access and ensure compliance with organizational policies.
- Maintain up-to-date documentation of systems, processes, and configurations.
- Provide Level 3 support for escalated issues and assist junior team members in resolving complex problems.
Preferred Skills :
Strong problem-solving and analytical skills.Excellent communication and interpersonal skills.Ability to work independently in a fast-paced, 24x7 production environment.Certification in RHCE, VMware, or related technologies(ref : hirist.tech)