Network Security Engineer

Elabs Infotech; Hyderabad, Pune District, Chennai District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Elabs Infotech in Hyderabad, India seeks an experienced Network Security Engineer specializing in ADC and Load Balancer technologies to design, implement, and manage secure, highly available network infrastructure. You will work with F5 BIG-IP, Citrix ADC and enterprise firewalls in a complex enterprise environment.

The role requires hands-on skills in deployment, upgrades, monitoring, and incident response, and offers collaboration with security, cloud and application teams.

Qualifications

• Experience in designing, deploying and operating ADC/Load Balancer solutions.
• Hands-on knowledge of enterprise networking, security architectures and firewall policies.
• Ability to troubleshoot complex application delivery and security issues in production.

Responsibilities

• Design, configure, and support enterprise Load Balancer and ADC solutions.
• Manage and troubleshoot F5 BIG-IP (LTM/GTM/DNS/APM/ASM) and Citrix ADC environments.
• Configure VIPs, Pools, Health Monitors, Persistence profiles, SSL offloading, and Content Switching.
• Perform ADC upgrades, migrations, backups and configuration management.
• Implement high availability with clustering and failover.
• Troubleshoot delivery issues using packet captures, logs, CLI and monitoring tools.
• Manage Next-Generation Firewalls, VPNs, and WAF policies.
• Configure NAT rules, VPN tunnels and security policies.
• Security hardening, vulnerability remediation and compliance activities.
• Collaborate with application, server, cloud and security teams for onboarding and changes.
• Participate in incident, change management and root cause analyses.
• Automate operational tasks with scripting where applicable.

Skills

ADC

Load Balancer

Network Security

Firewalls

Enterprise Networking

Tools

F5 BIG-IP

Citrix ADC

Palo Alto

Fortinet

Job description

We are looking for an experienced Network Security Engineer ADC & Load Balancer Specialist to join our infrastructure and security team. The ideal candidate will have strong hands-on experience in Application Delivery Controllers (ADC), Load Balancers, Network Security, Firewalls, and enterprise networking environments.

The candidate will be responsible for designing, implementing, managing, and troubleshooting secure and highly available network infrastructure using technologies such as F5 BIG-IP, Citrix ADC (NetScaler), Palo Alto, Fortinet, and other enterprise security platforms.

Key Responsibilities

• Design, configure, and support enterprise Load Balancer and ADC solutions.
• Manage and troubleshoot F5 BIG-IP (LTM/GTM/DNS/APM/ASM) and Citrix ADC (NetScaler) environments.
• Configure:
• Virtual Servers (VIPs)
• Pools and Pool Members
• Health Monitors
• Persistence Profiles
• SSL Offloading / SSL Bridging
• Traffic Policies and Content Switching
• GSLB configurations
• Perform ADC upgrades, migrations, backups, and configuration management.
• Implement and maintain high availability solutions including clustering and failover.
• Troubleshoot application delivery issues using:
• Packet captures
• Logs analysis
• CLI troubleshooting
• Network monitoring tools
• Manage network security devices including:
• Next Generation Firewalls
• VPN solutions
• WAF policies
• Security access controls
• Configure and troubleshoot firewall policies, NAT rules, VPN tunnels, and security policies.
• Perform security hardening, vulnerability remediation, and compliance activities.
• Collaborate with application, server, cloud, and security teams for service onboarding.
• Participate in incident management, change management, and root cause analysis.
• Automate operational tasks using scripting tools where applicable.