IT Administrator(Linux & Network)

Role Overview:

We are seeking a hands-on Senior IT Lead to take ownership of our end-to-end networking and Linux infrastructure. This role requires 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.

This is not a helpdesk or support-only role. The ideal candidate must have real infrastructure ownership experience across networking, servers and data center environments.

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.

Skills Required:

• Proven hands-on infrastructure experience (not helpdesk, not purely development roles)

• Strong L2/L3 networking expertise, including:

• VLANs, STP, ACLs

• Inter-VLAN routing

• At least one routing protocol (OSPF or BGP)

• Firewall administration and policy creation (enterprise-level)

• Strong Linux server administration experience (RHEL / CentOS / Ubuntu), including:

• Server management

• Troubleshooting

• Performance tuning

• Experience with data center physical operations (rack/stack, cabling, hardware handling)

• Hands-on experience with at least one monitoring/NMS platform.

• Experience creating and maintaining:

• Network diagrams

• Change logs

• Incident reports (RCA)

• Runbooks / SOP documentation

Technical Requirements:

Networking

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

Linux Administration:

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

Infrastructure & Tools:

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

Preferred Background:

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

What Were 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.

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.

To learn more, please visit: https://innspark.in