Network & System Engineer

Secninjaz Technologies LLP; New Delhi; On-site; INR 500,000 - 800,000; Full time

Job summary

Secninjaz Technologies LLP is seeking a skilled Network System Engineer to design, deploy, configure, monitor, and maintain network and IT infrastructure for our environments and clients.

The candidate should have hands-on experience with networking, Linux/Windows systems, virtualization platforms, firewalls, routers, switches, SAN infrastructure, hardware, and IT support. 2–5 years of relevant experience and CCNA certification are preferred.

Qualifications

• 2-5 years of relevant experience in Network/System Administration or IT Infrastructure.
• CCNA certification is required; additional Fortinet/VMware/Linux certifications are a plus.
• Experience with Cisco, Fortinet, and other routers, switches, and network security devices.

Responsibilities

• Design, deploy, configure, monitor, troubleshoot, and maintain network infrastructure.
• Provide L1/L2/L3 technical support for network and system infrastructure.
• Coordinate with vendors and clients for deployment, troubleshooting, and support.
• Monitor network performance, conduct troubleshooting, and ensure high availability.

Skills

Networking

Linux

Windows

Virtualization

Firewalls

Routers

Switches

SAN

Hardware

IT Support

Tools

VMware

Proxmox VE

Job description

We are looking for a skilled Network System Engineer responsible for designing, deploying, configuring, monitoring, troubleshooting, and maintaining network and IT infrastructure for our infra and clients. The candidate should have hands‑on experience with networking, Linux/Windows systems, virtualization platforms, firewalls, routers, switches, SAN infrastructure, hardware, and IT support.

The ideal candidate should be comfortable working in client environments, handling infrastructure deployments, resolving technical issues, and ensuring high availability and performance of IT infrastructure.

Job Type: Full time

Responsibilities

Network Infrastructure

• Design, configure, deploy, and maintain enterprise network infrastructure.
• Hands‑on experience with Cisco, Fortinet, and other routers, switches, and network security devices.
• Configure and troubleshoot LAN/WAN, VLANs, routing, switching, VPN, NAT, DHCP, DNS, and basic network security.
• Understand and prepare network opology and infrastructure diagrams.
• Perform network troubleshooting, performance analysis, and issue resolution.
• Experience with SAN switches and storage/network connectivity.
• Implement and maintain network infrastructure at our and client locations.
• Coordinate with vendors and clients for network deployment, roubleshooting, and support.

Firewall Security

• Hands‑on experience with deployment, configuration, and troubleshooting of Fortinet firewalls.
• Working knowledge of Fortinet, Cisco and other firewall/security solutions.
• Configure security policies, NAT, VPN, access controls, and related firewall services.
• Monitor security and network events and troubleshoot connectivity/security issues.

Linux System Administration

• Hands‑on experience with Linux server installation, configuration, administration, and roubleshooting.
• Troubleshoot Linux OS, services, networking, storage, permissions, logs, and performance‑related issues.
• Working knowledge of Windows and basic system administration.
• Experience with system deployment, patching, backup, and maintenance activities.
• Good understanding of server hardware and associated components.

Virtualization

• Hands‑on experience with VMware virtualization technologies.
• Experience with Proxmox VE for virtualization and virtual machine management.
• Deployment, configuration, migration, monitoring, and troubleshooting of virtual machines.
• Understanding of virtual networking, storage, resource allocation, and high availability concepts.

IT Infrastructure Support

• Provide L1/L2/L3 technical support for network and system infrastructure, as required.
• Troubleshoot desktops, laptops, servers, networking equipment, printers, and other IT hardware.
• Knowledge of server, desktop, laptop, storage, and networking hardware.
• Install, configure, maintain, and roubleshoot IT infrastructure at client locations.
• Maintain proper documentation of infrastructure, configurations, incidents, and changes.
• Participate in infrastructure deployment, upgrades, migration, and maintenance activities.

Monitoring Maintenance

• Experience with network and server monitoring tools/software.
• Monitor availability, performance, CPU, memory, storage, bandwidth, and network devices.
• Proactively identify and resolve infrastructure issues before they impact clients.
• Generate and maintain monitoring reports and infrastructure health reports.
• Perform regular preventive maintenance and health checks.

Certification

• CCNA certification is required.
• Additional certifications in Fortinet, VMware, Linux, or other relevant technologies will be an advantage.

Experience

• 2-5 years of relevant experience in Network/System Administration or IT Infrastructure.
• Candidates with hands‑on experience in client infrastructure deployment and support will be preferred.

Key Competencies

• Strong troubleshooting and problem‑solving skills.
• Good communication and client‑handling skills.
• Ability to work independently and as part of an infrastructure team.
• Willingness to travel to client sites when required.
• Ability to work under pressure and handle critical infrastructure issues.
• Good documentation and reporting skills.
• Strong focus on service quality, uptime, and customer satisfaction.