Network & Security Engineer

Hitachi Systems, Ltd.; Gurugram District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Hitachi Systems, Ltd. in India is seeking an experienced Network Engineer to manage and troubleshoot enterprise-grade networks. The role includes configuring Cisco/Aruba/Meraki/Quantum switches and wireless APs, and administering Sophos XG/XGS firewalls across L2/L3 environments.

You will handle routing protocols (OSPF/BGP), VPNs, NAT, and security policies while coordinating with internal teams and vendors to resolve incidents and implement changes.

Qualifications

• Strong knowledge of TCP/IP, Ethernet, DNS, DHCP, VLANs, STP, Routing, OSPF, BGP, NAT, WAN, VPN, and Network Security.
• Hands-on experience with Sophos XG/XGS Firewall and enterprise switching platforms (Cisco, Aruba/HPE, Meraki, Quantum).
• Experience with Firewall Policy Management, IPS/IDS, Web Filtering, Application Control, Security Logging, and Packet Analysis.
• Proficiency in troubleshooting tools such as Ping, Traceroute, CLI, Wireshark, Syslog, and SNMP.

Responsibilities

• Manage and troubleshoot L2/L3 switches, VLANs, Trunking, STP/RSTP/MSTP, LACP, Port Channels, ARP, DHCP, DNS, LLDP/CDP, and Layer-2/Layer-3 connectivity issues.
• Configure, monitor, and support Cisco, Aruba/HPE, Meraki, and Quantum switches and wireless access points.
• Administer Sophos XG/XGS Firewalls, including firewall policies, NAT (SNAT/DNAT), routing, VPNs, IPS, web filtering, application control, SSL inspection, and security monitoring.
• Configure and troubleshoot Static Routing, OSPF, BGP, Inter-VLAN Routing, WAN/Internet connectivity, and IPsec VPNs.
• Monitor network and security infrastructure using Syslog, SNMP, network monitoring, and ticketing tools.
• Perform incident, change, and problem management; conduct RCA and coordinate with OEMs, vendors, ISPs, and internal teams for issue resolution.
• Execute switch/firewall configuration backups, firmware upgrades, migrations, installations, and maintenance activities.
• Maintain network diagrams, SOPs, firewall policies, VPN documentation, and operational reports.
• Support critical incidents, planned maintenance activities, shift operations, and field/customer-site deployments as required.

Skills

TCP/IP

Ethernet

DNS

DHCP

VLANs

STP

Routing

OSPF

BGP

NAT

WAN

VPN

Network Security

Tools

Cisco switches

Aruba/HPE switches

Meraki switches

Quantum switches

Sophos XG/XGS Firewall

Wireshark

CLI

Syslog

SNMP

Job description

Role & responsibilities

• Manage and troubleshoot L2/L3 switches, VLANs, Trunking, STP/RSTP/MSTP, LACP, Port Channels, ARP, DHCP, DNS, LLDP/CDP, and Layer-2/Layer-3 connectivity issues.
• Configure, monitor, and support Cisco, Aruba/HPE, Meraki, and Quantum switches and wireless access points.
• Administer Sophos XG/XGS Firewalls, including firewall policies, NAT (SNAT/DNAT), routing, VPNs, IPS, web filtering, application control, SSL inspection, and security monitoring.
• Configure and troubleshoot Static Routing, OSPF, BGP, Inter-VLAN Routing, WAN/Internet connectivity, and IPsec VPNs.
• Monitor network and security infrastructure using Syslog, SNMP, network monitoring, and ticketing tools.
• Perform incident, change, and problem management; conduct RCA and coordinate with OEMs, vendors, ISPs, and internal teams for issue resolution.
• Execute switch/firewall configuration backups, firmware upgrades, migrations, installations, and maintenance activities.
• Maintain network diagrams, SOPs, firewall policies, VPN documentation, and operational reports.
• Support critical incidents, planned maintenance activities, shift operations, and field/customer-site deployments as required.

Required Technical Skills

• Strong knowledge of TCP/IP, Ethernet, DNS, DHCP, VLANs, STP, Routing, OSPF, BGP, NAT, WAN, VPN, and Network Security.
• Hands-on experience with Sophos XG/XGS Firewall and enterprise switching platforms (Cisco, Aruba/HPE, Meraki, Quantum).
• Experience with Firewall Policy Management, IPS/IDS, Web Filtering, Application Control, Security Logging, and Packet Analysis.
• Proficiency in troubleshooting tools such as Ping, Traceroute, CLI, Wireshark, Syslog, and SNMP.
• Excellent troubleshooting, communication, coordination, and documentation skills.
• Sophos Firewall experience is mandatory.