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 . Strong troubleshooting skills across enterprise network technologies. Valuable 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. I

📌 Remote: Network EngineerLevel) (India)
🏢 CSS Corp
📍 India