Key Responsibilities
Perform hands-on configuration and troubleshooting of switches, routers, next-generation firewalls, and wireless networks.
Enforce client/project, corporate, lab, and guest isolation using VLANs, restricted trunks, and default-deny inter-VLAN policies; validate access boundaries.
Administer TCP/IP, DNS, DHCP, NAT, OSPF/BGP, STP, and LACP; resolve routing, switching, and connectivity issues.
Implement 802.1X/NAC, port security, DHCP snooping, Energetic ARP Inspection, BPDU Guard, and secure device administration.
Manage firewall rules, ACLs, IPS, IPsec/SSL VPNs, MFA, and enterprise Wi-Fi authentication; maintain client VPN and guest wireless isolation.
Diagnose outages, latency, packet loss, and suspicious traffic using Wireshark/tcpdump, syslog, and NetFlow/sFlow; integrate logs with SIEM and support incident investigations.
Patch devices, remediate vulnerabilities, and maintain tested configuration backups, change validation, and rollback plans.
Maintain network diagrams, IP address records, and client access rules; automate configuration checks and coordinate resolution with IT, security teams, ISPs, and vendors.

Location - Bangalore , Pune, Kolkata , Indore

📌 Senior Network Engineer Kolkata
🏢 Kriyalogic
📍 Kolkata