GM - System Administration

Job Summary
We are seeking a highly skilled and experienced Senior Infrastructure Engineer to manage and optimize our IT infrastructure across Linux and Windows environments. The ideal candidate will have deep expertise in systems administration, virtualization, storage, database, and network management, with a strong focus on ensuring reliability, security, and scalability of infrastructure services.
In this role, you will be responsible for overseeing Linux and Windows serve environments, managing enterprise-grade virtualization on private cloud platforms, and handling storage solutions and database systems. You will play a key role in maintaining network integrity, implementing backup and disaster recovery strategies, and supporting overall infrastructure performance.
Key Responsibilities:
Linux and Windows Administration
Software RAID installation and configuration
OS patches update and fix vulnerability
Linux services management
Tacacs configuration and management
Radius and RadMan configuration and management
DNS servers management (bind9)
DNS records management
Docker installation and configuration
Apache and/or Nginx configuration and management
Managing PHP modules, including php-fpm
Auto time synchronization (Chroync) across networks
Speedtest server configuration and management ○ Redis server configuration and management
VPN server configuration and management, client-side VPN configuration
Snipe-IT management application installation and configuration
Outline tool configuration and management
Virtualization on private cloud
Manage the Data Center Hosts via OpenNebula private cloud computing platform
Virtual Machine creation as per the needs of the infrastructure
Virtual Machine Template creation
Image Template creation
Hot and Cold Virtual Machine migrations
Image creation from snapshot
Restore VM through snapshot
Database Administration
Database (MySQL and/or MariaDB) Administration including installation, upgrade and maintenance.
MySQL replication.
MySQL database backup and restoration.
Network Administration
Virtual network configuration
NIC Bonding configuration
Bridge, VLAN installation and configuration
Monitoring
Monitoring tools Observium, Grafana, Telegraf
Monitoring of File Systems
Monitoring system performance and capacity planning
Monitoring of services
Security
Firewall Management
Managing SSL certificates
Port Management
Required Competencies:
In-depth knowledge of one or more Linux: CentOS, Alma Linux, Ubuntu, Redhat, etc.
Excellent knowledge and understanding of KVM Hypervisor
Bash Scripting knowledge is a must
GitHub knowledge
Basic understanding for managing Windows servers
Experience with any storage management system will be beneficial
Experience with Storpool will be a great advantage
Experience with any backup system, preferably Bareos
Knowledge of ITIL and DevOps processes will be an added advantage
Able and willing to create and maintain SOPs and HOWTO documentation
Has the ability to work alone for all the troubleshooting part
Good R&D skills
Excellent analytical & problem solving & decision making skills.
Business proficiency in English and excellent communication skills, both written and spoken
Work Experience & Qualifications
● Degree in Computer Science or related field.
● Proven work experience as Sys admin of 10+ years.

Work arrangement
No