Network Security Engineer

Valuelabs; New Delhi; Hybrid; INR 1,500,000 - 2,300,000; Full time

Job summary

Valuelabs is seeking an experienced Senior Network Infrastructure & Security Engineer to manage, support, and optimize global enterprise network infrastructure. You will deploy and maintain Cisco networking, firewall administration, and multi-cloud connectivity, ensuring availability, security, and resilience across production, DR, and corporate environments.

The role requires hands-on expertise in cloud connectivity, SD-WAN/SASE platforms, and ITIL-based operational processes.

Qualifications

• Senior-level hands-on experience in Cisco networking and firewalls.
• Strong knowledge of BGP, VLANs, and Layer 2/3 networking.
• Experience with AWS Direct Connect and hybrid cloud connectivity.
• Familiar with SD-WAN/SASE platforms and VPN services.
• Proven ITIL-aligned incident, problem, and change management.

Responsibilities

• Administer, monitor, troubleshoot, and maintain global enterprise network infrastructure.
• Ensure availability, performance, resilience, capacity, and security across environments.
• Perform maintenance, upgrades, patching, configuration management, and documentation updates.
• Administer Cisco FTD and ASA firewall platforms; implement policy changes.
• Troubleshoot security, segmentation, compliance, and connectivity-related issues.
• Administer Cisco Catalyst 3850 and 9300 switches; support Layer 2/3 networking.
• Configure and support VLANs, BGP, multicast routing, and high-availability solutions.
• Support enterprise routing and switching; manage connectivity to AWS.
• Maintain AWS Direct Connect and BGP routing; troubleshoot hybrid cloud connectivity.
• Configure segmentation, security policies, access controls, routing, and traffic optimization within Cato.
• Troubleshoot issues across the Cato SD-WAN/SASE environment; respond to incidents and changes.
• Conduct root cause analysis and contribute to problem management; document changes.

Skills

Cisco networking

Firewalls

BGP

VLANs

Layer 2/3 networking

AWS Direct Connect

Hybrid cloud connectivity

Cato Networks

SD-WAN/SASE

VPN services

ITIL incident management

ITIL problem management

ITIL change management

Tools

AWS

Cato Networks

Cisco IOS

Job description

Role & responsibilities

• Administer, monitor, troubleshoot, and maintain global enterprise network infrastructure.
• Ensure availability, performance, resilience, capacity, and security across production, staging, DR, and corporate environments.
• Perform operational maintenance, upgrades, patching, configuration management, and documentation updates.
• Administer Cisco FTD and ASA firewall platforms.
• Implement firewall policy and rule changes through approved change processes.
• Troubleshoot security, segmentation, compliance, and connectivity-related issues.
• Administer Cisco Catalyst 3850 and 9300 switching platforms.
• Configure and support Layer 2/3 networking, VLANs, BGP, multicast routing, and high-availability network solutions.
• Support and troubleshoot enterprise routing and switching environments.
• Manage highly available connectivity between on-premises environments and AWS.
• Maintain AWS Direct Connect and associated BGP routing configurations.
• Troubleshoot hybrid cloud connectivity and performance issues involving AWS-hosted services.
• Administer Irdetos Cato Networks environment for office connectivity, remote access, VPN, and AWS network connectivity.
• Configure segmentation, security policies, access controls, routing, and traffic optimization within Cato.
• Troubleshoot connectivity, performance, and security issues across the Cato SD-WAN/SASE environment.
• Respond to incidents, service requests, emergency support, and major incident recovery activities.
• Conduct root cause analysis and contribute to problem management.
• Execute and document network changes through established change control procedures.

Required Skills

The contractor should bring senior-level hands-on experience in Cisco networking and firewalls, BGP, VLANs, Layer 2/3 networking, AWS Direct Connect, hybrid cloud connectivity, Cato Networks, SD-WAN/SASE, VPN services, network troubleshooting, documentation, and ITIL-aligned incident, problem, and change management.

Preferred Experience

• Customer-facing environments
• Multi-site WAN environments
• AWS-based production platforms
• Participation in on-call rotations

Job Description

We are seeking an experienced Senior Network Infrastructure & Security Engineer to manage, support, and optimize enterprise network infrastructure across global environments. The ideal candidate will possess strong hands-on expertise in Cisco networking, firewall administration, cloud connectivity, SD-WAN/SASE platforms, and ITIL-based operational processes. This role is responsible for ensuring network availability, security, performance, and resilience across production, disaster recovery, and corporate environments.