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 Rad Man 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 Open Nebula 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 (My SQL and/or Maria DB) Administration including installation, upgrade and maintenance.

My SQL replication.

My SQL 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: Cent OS, Alma Linux, Ubuntu, Redhat, etc.

Excellent knowledge and understanding of KVM Hypervisor

Bash Scripting knowledge is a must

Git Hub 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 Dev Ops 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

Positive 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.

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