Senior Network Engineer

Kriyalogic Technologies; Kolkata District, Pune District, Bengaluru; Sur place; INR 600 000 - 900 000; Plein temps

Résumé du poste

Kriyalogic Technologies in Kolkata is seeking a Network Engineer to perform hands-on configuration and troubleshooting of switches, routers, firewalls, and wireless networks.

You will enforce isolation via VLANs, manage TCP/IP, DNS, DHCP, OSPF/BGP, VPNs, and security controls, and work with IT and security teams to ensure reliable, secure connectivity across multiple locations in India.

Qualifications

• Hands-on networking and security configuration experience.
• Ability to implement VLAN isolation and inter-VLAN policies.

Responsabilités

• 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, Dynamic 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.

Connaissances

Networking concepts

Troubleshooting

VLANs

OSPF/BGP

Firewall rules

VPNs

Wireshark

Outils

Wireshark

tcpdump

NetFlow/sFlow

SIEM

Description du poste

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, Dynamic 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