Senior IT System Administrator

Job Title: IT Lead – Networking & Linux Infrastructure

Location: Kollam, Kerala

Work Mode: Work from Office

Employment Type: Full-Time

Experience: 4–8 Years

Joining Preference: Immediate to 15 Days

About the Company

Innspark is a deep-tech, product-based OEM specializing in cybersecurity products, AI, cloud solutions, and select hardware offerings such as drones, VTS, and telemedicine systems, with a diverse and evolving portfolio.

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Role Overview

We are seeking a hands-on IT Lead to take ownership of our end-to-end networking and Linux infrastructure. The ideal candidate should have strong expertise in network engineering and Linux system administration, along with the ability to lead a small team and ensure high system performance, security, and availability.

Key Responsibilities

• Own and manage the complete IT infrastructure (networking, servers, and Linux environments)
• Configure, maintain, and troubleshoot switches, routers, and firewalls
• Administer and manage Linux-based systems and servers
• Ensure high availability, uptime, and infrastructure security
• Monitor systems, identify issues, and implement proactive solutions
• Handle incident management, escalation, and root cause analysis
• Manage and implement virtualization platforms (VMware / Proxmox / KVM)
• Work with Docker and container-based environments
• Plan infrastructure scaling, upgrades, and performance optimization
• Lead and mentor engineers while ensuring smooth operations

Technical Requirements

Networking

• Strong understanding of LAN, WAN, TCP/IP, DNS, DHCP, VLANs, VPNs
• Hands-on experience with Cisco, Juniper, and Aruba switches/routers
• Strong troubleshooting and network performance optimization skills
• CCNA certification (preferred) or equivalent hands-on training

Linux Administration

• Strong command over Linux systems (any distribution)
• Hands-on experience in Linux server management and troubleshooting
• Knowledge of system security, patching, and performance tuning
• RHCSA/RHCE certification (preferred) or equivalent hands-on experience

Infrastructure & Tools

• Experience with virtualization tools: VMware / Proxmox / KVM
• Working knowledge of Docker (containerization)

Preferred Background

• IT Lead / Infrastructure Lead
• Network Engineer / Network Administrator
• Linux System Administrator / Linux Engineer
• Systems Engineer / Infrastructure Engineer

What We’re Looking For

• Strong hands-on expertise with leadership capability
• Ability to take complete ownership of infrastructure
• Problem-solving mindset with quick decision-making ability
• Curiosity to learn, experiment, and continuously improve systems
• Good communication and team coordination skills