Network Security Engineer

Mployee.me; Delhi; On-site; INR 2,200,000 - 3,000,000; Full time

Job summary

Mployee.me is seeking a Senior Network Infrastructure & Security Engineer to manage and optimize enterprise network infrastructure across global environments. The role emphasizes hands-on Cisco networking, firewall administration, and cloud connectivity for secure, resilient operations.

Responsibilities include maintaining production, staging, DR, and corporate networks, applying changes through formal processes, and ensuring high availability and performance in multi-site, AWS-connected

Qualifications

• Senior-level hands‑on experience in Cisco networking and firewalls.
• Experience with BGP, VLANs, Layer 2/3 networking.
• Cloud connectivity including AWS Direct Connect and hybrid cloud.
• Experience with Cato Networks and SD-WAN/SASE platforms.
• 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 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 changes.
• Troubleshoot security, segmentation, compliance, and connectivity issues.
• Manage Cisco Catalyst 3850/9300 switches; configure Layer 2/3 networking, VLANs, BGP, HA.

Skills

Cisco networking

Firewall administration

BGP

VLANs

AWS Direct Connect

SD-WAN/SASE

Tools

IHC/ITIL processes

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.