Remote Network Engineer (Kolkata)

Network / Infrastructure Engineer (L2/L3)

Location: Remote

Shift: General Shift (Day Shift Only - No Night Rotation)

Job Summary

We are looking for an experienced Network / Infrastructure Engineer (L3) with strong expertise in Routing & Switching and SD-WAN and Zscaler technologies. This role is focused on core network infrastructure operations and support.

Note: This position is strictly for Network/Infrastructure professionals.

Candidates predominantly with only Security-focused backgrounds (SOC, Cyber Security, SIEM, etc.) are not a fit.

Key Responsibilities

• Manage and support enterprise network infrastructure in an L2/L3 environment.
• Configure, monitor, and troubleshoot Cisco Routing & Switching technologies.
• Administer and support SD-WAN deployments and network optimization activities.
• Handle network incidents, problem management, and operational support.
• Monitor network performance and ensure service availability.
• Collaborate with internal teams for network deployment, upgrades, and enhancements.
• Provide basic support and troubleshooting for Zscaler-related connectivity issues.

Required Skills

• Strong hands-on experience in Routing & Switching (Cisco) .
• Good experience with SD-WAN technologies .
• Experience working in Network Operations / Infrastructure Support / NOC environments .
• Solid troubleshooting skills across enterprise network technologies.
• Good understanding of TCP/IP, VLANs, LAN/WAN, BGP, OSPF, and network protocols.
• Hands on with Zscaler technologies(ZPA, ZIA, ZCC) (basic to intermediate level preferred).
• Ability to handle major incidents and Develop RCAs.

Preferred Qualifications

• Experience supporting large enterprise networks.
• Cisco certifications such as CCNA/CCNP are preferred.
• Excellent communication and stakeholder management skills.

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