Senior Network & Systems Administrator

About the role

We are seeking a Senior Network & Systems Administrator to join our dynamic engineering team in Kochi. You will be responsible for maintaining and optimizing our enterprise network and server infrastructure, ensuring high availability, security, and performance.

Key responsibilities

• Manage and maintain enterprise network infrastructure, including routing, switching, VLANs, VPNs (SSL & IPSec), and firewall configurations.
• Configure, monitor, and troubleshoot Fortigate and Sophos firewalls, including rule management and VPN connectivity.
• Administer virtualization platforms such as VMware vSphere/ESXi and Proxmox.
• Oversee backup and recovery operations using Veeam Backup solutions.
• Maintain Linux servers (Ubuntu, CentOS, Debian) and enterprise storage systems (Huawei, QNAP).
• Support DELL server hardware and network devices (HPE/Aruba, Huawei switches, Unifi Access Points).
• Monitor infrastructure health with Zabbix and perform system upgrades, patch management, and preventive maintenance.
• Develop automation scripts in Python and PowerShell and assist with certificate management and database troubleshooting (PostgreSQL, MariaDB, MySQL).

Required profile

• Minimum 10 years of experience in network and systems administration.
• Strong troubleshooting and problem‑solving abilities.
• Excellent communication and documentation skills.
• Ability to work collaboratively in a hybrid environment.

Required skills

• Fortigate and Sophos firewalls
• VMware vSphere/ESXi, Proxmox
• Veeam Backup
• Linux (Ubuntu, CentOS, Debian)
• Huawei and QNAP storage solutions
• DELL server hardware
• HPE/Aruba and Huawei switches, Unifi Access Points
• Zabbix monitoring
• Python and PowerShell scripting
• SSL certificate management
• PostgreSQL, MariaDB, MySQL

What we offer

• Flexible, modern work culture with hybrid work options.
• Opportunity to work in a fast‑growing engineering company serving automotive, rail, aerospace, defence, and industrial sectors.
• Collaborative team spirit and positive “Orange Spirit” culture.