Sr Network Infra & Security Engg

Valuelabs; Hyderabad; Hybrid; INR 2,800,000 - 5,000,000; Full time

Benefits offered by this job

Health insurance

Performance bonus

Job summary

Valuelabs seeks an experienced Senior Network Infrastructure & Security Engineer to manage and optimize global enterprise networks. You will handle Cisco networking, firewall administration, cloud connectivity, SD-WAN/SASE, and ITIL-aligned processes across production, DR, and corporate environments.

The role covers network operations, security administration, routing and switching, and hybrid cloud connectivity to AWS. Strong troubleshooting and multi-site experience are expected.

Qualifications

• Senior-level hands-on experience in Cisco networking and firewalls, including BGP, VLANs, and Layer 2/3 networking.
• Experience with AWS Direct Connect and hybrid cloud connectivity is essential.
• Proficiency with SD-WAN/SASE platforms and VPN services.
• Familiarity with ITIL-aligned incident, problem, and change management processes.

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 policy changes through change processes.
• Configure and support Layer 2/3 networking, VLANs, BGP, multicast routing, and HA solutions.
• Manage connectivity between on-premises environments and AWS; maintain AWS Direct Connect.
• Configure and manage Cato Networks SD-WAN/SASE for office connectivity, remote access, VPN, and AWS connectivity.
• Respond to incidents, perform root cause analysis, and execute change control procedures.

Skills

Cisco networking

Firewall administration

BGP

VLANs

AWS Direct Connect

SD-WAN/SASE

ITIL processes

Network troubleshooting

VPN services

Tools

Cisco IOS

FTD/ASA Firewall

AWS Direct Connect

Cato Networks

BGP routing

VLAN configuration

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.

Network Operations & Infrastructure Management

• 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.

Firewall & Security Administration

• 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.

Routing, Switching & Network Services

• 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.

AWS Networking & Cloud Connectivity

• 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.

Cato Networks (SD-WAN / SASE)

• 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.

Incident, Problem & Change Management

• 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.

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