Sr. Network Engineer

Neurealm Company; Chennai; On-site; INR 1,500,000 - 2,800,000; Full time

Job summary

Neurealm Company is seeking a Senior Network Engineer in Chennai to design, implement, and optimize enterprise LAN/WAN, including SD-WAN and wireless networks. You will configure and troubleshoot routing, switching, and security with Palo Alto Firewalls, Cisco ASA, and cloud integrations in AWS and Azure.

The role covers Prisma Access, CATO SD-WAN, VPNs, NAT, and threat prevention, plus on-call support and documentation. Industry experience and strong collaboration across teams are required.

Qualifications

• Senior level expertise in network design, deployment and optimization.
• Strong hands-on experience with enterprise routing, switching, and security.
• Experience across on-premises and cloud networking (AWS/Azure).
• Experience with SD-WAN, VPNs and firewall administration.

Responsibilities

• Design, deploy, and maintain enterprise LAN, WAN, SD-WAN and wireless networks.
• Configure and troubleshoot advanced routing and switching technologies.
• Manage Palo Alto Firewalls, NAT, VPNs, and threat prevention features.
• Administer Cisco ASA firewalls and remote access VPNs.
• Implement Prisma Access and CATO SASE/SD-WAN solutions.
• Monitor performance, troubleshoot incidents, and optimize throughput.
• Collaborate with security, cloud, and application teams on projects.
• Create network diagrams, SOPs, and runbooks; provide L2/L3 support.

Skills

Routing & Switching

Prisma Access

CATO Networks

Palo Alto Firewalls

Cisco ASA

AWS networking

Azure networking

SD-WAN

Site-to-site VPN

L2/L3 troubleshooting

Tools

Palo Alto Firewalls

Cisco ASA

FTD

Aruba switches

Cisco switches

Job description

## Sr. Network Engineer19-10-2026 19:29:45Job\\_3048455 - 8 years* Chennai, Tamil Nadu, India (CHN)**Job Summary:**We are seeking an experienced Senior Network Engineer to design, implement, support, and optimize enterprise network infrastructure across on-premises and cloud environments. The ideal candidate should possess strong expertise in Routing & Switching, Prisma, CATO Networks, Palo Alto Firewalls, Cisco ASA, AWS, and Azure networking services, ensuring secure, scalable, and highly available network operations.**Key Responsibilities**Design, deploy, and maintain enterprise LAN, WAN, SD-WAN, and wireless networks.Configure and troubleshoot advanced routing and switching technologies.Manage and support Palo Alto Firewalls, security policies, VPNs, NAT, and threat prevention features.Administer Cisco ASA firewalls and remote access VPN solutions.Implement and support Prisma Access and CATO SASE/SD-WAN solutions.Monitor network performance, identify bottlenecks, and recommend improvements.Support network security compliance and best practices.Configure and maintain site-to-site VPNs between on-premises and cloud environments.Manage cloud networking components in AWS and Microsoft Azure.Participate in network architecture planning, capacity management, and disaster recovery initiatives.Perform root cause analysis for network incidents and provide timely resolutions.Collaborate with security, infrastructure, cloud, and application teams for project implementations.Create and maintain technical documentation, network diagrams, and SOPs.Provide L2/L3 support and mentor junior network engineers. Perform advanced L3-level troubleshooting for network incidents and outages.Manage, configure, and maintain Palo Alto firewalls, FTD , ASA including security policies, NAT, VPNs, and threat prevention.Deploy, configure, and troubleshoot Aruba /cisco switches (access, distribution, and core layers).Implement and manage static routing & PBR across the network environment.Monitor network performance and conduct regular tuning for optimal throughput and reliability.Collaborate with the all team to ensure proper firewall and network policy configurations.Perform network upgrades, firmware patches, and change management procedures.Maintain detailed documentation of configurations, network diagrams, and incident reports.Participate in on-call rotations and provide escalation support for critical issues.