Senior IT Network Support Engineer

Reliance Industries (RIL); Jamnagar; On-site; INR 600,000 - 900,000; Full time

Job summary

Reliance Industries (RIL) is seeking an experienced Network Support & Operations professional to manage and optimize LAN/WAN/WLAN, VPN, and firewall infrastructures. The role covers on-site & remote environments across data centres, offices, and cloud, with hands-on troubleshooting and incident management.

The ideal candidate will have strong routing, switching, VLAN, NAT, ACL, DNS/DHCP/TCP-IP knowledge, familiarity with major firewall vendors, and extensive experience with network monitoring

Qualifications

• Experience in enterprise network support and troubleshooting.
• Hands-on knowledge of routing, switching, VLANs, STP, OSPF, BGP, NAT, ACLs, DNS, DHCP, TCP/IP, and VPN technologies.
• Experience with firewalls from Fortinet, Palo Alto, Cisco ASA/Firepower, Sophos, or Check Point.
• Experience with switches/routers from Cisco, Zyxel, Juniper, Aruba, HP, Dell, or similar vendors.
• Good understanding of wireless networking, access points, controllers, SSIDs, authentication, and RF troubleshooting.
• Familiarity with network monitoring tools such as SolarWinds, PRTG, Zabbix, Nagios, ManageEngine, or similar platforms.
• Strong troubleshooting using ping, traceroute, nslookup, Wireshark, packet capture, and log analysis.
• Knowledge of ITIL processes, including incident, problem, and change management.
• Ability to work under pressure and extend shifts as per operational requirements.
• Strong communication, documentation, and stakeholder management skills.

Responsibilities

• Manage, monitor, and support LAN, WAN, WLAN, VPN, firewall, router, switch, and internet connectivity infrastructure.
• Troubleshoot complex network issues related to connectivity, latency, DNS, DHCP, routing, switching, and firewall policies.
• Provide Level 2 and Level 3 support for network-related incidents and service requests.
• Ensure maximum network uptime and performance across office, data centre, cloud, and remote user environments.
• Perform root cause analysis for recurring network issues and implement permanent fixes.
• Configure, maintain, and upgrade routers, switches, firewalls, wireless controllers, access points, and VPN devices.
• Support network segmentation, VLAN configuration, routing protocols, NAT, ACLs, and QoS policies.
• Maintain network diagrams, configuration documents, IP address plans, and asset inventories.
• Assist in planning and executing network upgrades, migrations, expansions, and technology refresh projects.
• Implement and maintain network security controls, including firewall rules, VPN access, access control lists, and secure configurations.
• Monitor network traffic and security alerts to identify potential threats or abnormal activity.
• Support security audits, vulnerability remediation, and compliance requirements.
• Ensure network devices are patched, backed up, and configured according to security best practices.
• Use monitoring tools to track network availability, bandwidth usage, device health, and performance metrics.
• Respond to alerts, outages, and escalations within defined SLA timelines.
• Work with vendors, ISPs, and internal teams to resolve network faults and service disruptions.
• Participate in on-call or after-hours support as required.
• Act as a senior escalation point for junior engineers and IT support teams.
• Provide technical guidance, mentoring, and knowledge sharing.
• Work closely with system administrators, cybersecurity teams, cloud teams, and business stakeholders.
• Create and maintain standard operating procedures, troubleshooting guides, and technical documentation.

Skills

Enterprise network support

Routing & Switching

LAN/WAN/WLAN & VPN

Firewall & security policies

DNS/DHCP/TCP-IP

Troubleshooting

ITIL processes

Communication & documentation

Tools

Fortinet FortiGate

Cisco ASA/Firepower

Palo Alto

SolarWinds / PRTG / Zabbix

Wireshark

Job description

Role & responsibilities

Network Support & Operations

• Manage, monitor, and support LAN, WAN, WLAN, VPN, firewall, router, switch, and internet connectivity infrastructure.
• Troubleshoot complex network issues related to connectivity, latency, packet loss, DNS, DHCP, routing, switching, and firewall policies.
• Provide Level 2 and Level 3 support for network‑related incidents and service requests.
• Ensure maximum network uptime and performance across office, data centre, cloud, and remote user environments.
• Perform root cause analysis for recurring network issues and implement permanent fixes.

Network Infrastructure Management

• Configure, maintain, and upgrade routers, switches, firewalls, wireless controllers, access points, and VPN devices.
• Support network segmentation, VLAN configuration, routing protocols, NAT, ACLs, and QoS policies.
• Maintain network diagrams, configuration documents, IP address plans, and asset inventories.
• Assist in planning and executing network upgrades, migrations, expansions, and technology refresh projects.

Security & Compliance

• Implement and maintain network security controls, including firewall rules, VPN access, access control lists, and secure configurations.
• Monitor network traffic and security alerts to identify potential threats or abnormal activity.
• Support security audits, vulnerability remediation, and compliance requirements.
• Ensure network devices are patched, backed up, and configured according to security best practices.

Monitoring & Incident Management

• Use monitoring tools to track network availability, bandwidth usage, device health, and performance metrics.
• Respond to alerts, outages, and escalations within defined SLA timelines.
• Work with vendors, ISPs, and internal teams to resolve network faults and service disruptions.
• Participate in on‑call or after‑hours support as required.

Collaboration & Team Leadership

• Act as a senior escalation point for junior engineers and IT support teams.
• Provide technical guidance, mentoring, and knowledge sharing.
• Work closely with system administrators, cybersecurity teams, cloud teams, and business stakeholders.
• Create and maintain standard operating procedures, troubleshooting guides, and technical documentation.

Required Skills & Experience

• Strong experience in enterprise network support and troubleshooting.
• Hands‑on knowledge of routing, switching, VLANs, STP, OSPF, BGP, NAT, ACLs, DNS, DHCP, TCP/IP, and VPN technologies.
• Experience with firewalls such as Fortinet, Palo Alto, Cisco ASA/Firepower, Sophos, or Check Point.
• Experience with switches and routers from Cisco, Zyxel, Juniper, Aruba, HP, Dell, or similar vendors.
• Good understanding of wireless networking, access points, controllers, SSIDs, authentication, and RF troubleshooting.
• Familiarity with network monitoring tools such as SolarWinds, PRTG, Zabbix, Nagios, ManageEngine, or similar platforms.
• Strong troubleshooting skills using tools such as ping, traceroute, nslookup, Wireshark, packet capture, and log analysis.
• Knowledge of ITIL processes, including incident, problem, and change management.
• Ability to work under pressure, handle critical network outages & extend shifts as per operational requirements.
• Strong communication, documentation, and stakeholder management skills.