Role Overview:

We are looking for a passionate and curious Linux Infrastructure / Network Engineer with 3 - 6+ years of experience in networking, infrastructure or Linux administration. The ideal candidate should have a strong foundation in system and network management, along with a keen interest in learning and working on emerging technologies.

Key Responsibilities:

- Design, implement and manage LAN/WAN network infrastructure.
- Configure and maintain routers, switches and firewalls.
- Monitor network performance and troubleshoot connectivity issues.
- Ensure network security through firewalls, VPNs and access controls.
- Perform network capacity planning and optimization.
- Maintain documentation for network configurations and processes
- Support and troubleshoot networking in virtualized environments.
- Manage and maintain Linux-based systems and server environments.
- Monitor system performance to ensure high availability and reliability.
- Implement security best practices, patches, and user access controls.
- Assist in managing GPU-enabled servers for HPC and AI/ML workloads.
- Optimize system performance for GPU-intensive applications.
- Provide L1-level support and basic troubleshooting.

Required Skills & Qualifications:

- 2 to 3+ years of experience in networking, infrastructure or Linux administration.
- Strong understanding of networking concepts: TCP/IP, DNS, DHCP, VLANs, BGP, VPN, IPSec, ZTNA.
- Hands-on experience with Linux operating systems (Red Hat, Ubuntu, Debian, Fedora).
- Knowledge of routing, switching, and firewall configurations.




- Understanding of virtualization and virtual networking environments.
- Familiarity with system monitoring and performance tuning.
- Basic understanding of container technologies (Docker, Podman, LXC).
- Basic scripting knowledge (Bash, Python, or similar) is a plus.

Preferred Skills:

- Experience with configuration management tools (Ansible, Terraform).
- Exposure to virtualization platforms (KVM, VMware, Xen, Proxmox, OpenStack, OpenNebula).
- Familiarity with monitoring tools (Nagios, Zabbix, Prometheus, Datadog, etc.)
- Exposure to networking devices (Cisco, Juniper, Aruba, Fortinet, Palo Alto, Sophos, Check Point)
- Basic understanding of GPU/HPC environments (NVIDIA drivers, CUDA, cuDNN)
- Experience with GPU monitoring tools (nvidia-smi, DCGM, NVTOP, Prometheus exporters)

Key Attributes:

- Robust curiosity and willingness to learn new technologies.
- Strategic thinking and problem-solving mindset.
- Good planning and organizational skills.
- Ability to work independently and in a team environment.

Good to Have:

- Exposure to AI/ML infrastructure environments.
- Experience in handling compute, storage, and backup servers.
- Familiarity with enterprise hardware vendors (Dell, HPE, Lenovo, etc.)

About 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 our website: https://innspark.in.

📌 Senior Linux Administrator (Karunagappalli)
🏢 Innspark Solutions
📍 Karunagappalli