Senior Security Engineer - Web Application Firewall and Network Segmentation

Ernst & Young LLP ( EY India ); Thiruvananthapuram; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

EY is seeking a CMS-TDR – Senior with hands-on experience in Web Application Firewall (WAF), Secure Web Gateway (SWG) and micro-segmentation to secure applications and control internet access. You will work with cross-functional teams to protect enterprise environments.

The ideal candidate has 4+ years in WAF/SWG, is proficient with Akamai Kona, Netskope and Illumio, understands OWASP Top 10, and can support incident response, audits and security improvements across the stack.

Qualifications

• Hands on experience with Akamai Kona, Netskope, and Illumio.
• Strong understanding of web security, HTTP/S, OWASP Top 10.
• Knowledge of proxy/SWG concepts and Zero Trust / segmentation principles.
• Good networking fundamentals (TCP/IP, DNS, firewalls).

Responsibilities

• Manage and tune Akamai Kona WAF to protect web applications from OWASP Top 10 threats.
• Configure and operate Netskope SWG policies for secure internet access and threat protection.
• Design and enforce Illumio micro segmentation policies to control east west traffic.
• Work with SOC, network, cloud, and application teams to support incidents and policy changes.
• Analyze logs, reduce false positives, and maintain operational documentation.
• Support audits, compliance needs, and continuous security improvements.

Tools

Akamai Kona

Netskope

Illumio

Job description

GMS_Senior_WAF At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

CMS-TDR – Senior (WAF/SWG/MSEG- Akamai Kona/Netskope/Illumio)

Job Summary

Looking for a security engineer with 4+ years of hands on experience in Web Application Firewall (WAF), Secure Web Gateway (SWG), and Micro Segmentation to secure applications, control internet access, and reduce lateral movement risk across enterprise environments.

Key Responsibilities

• Manage and tune Akamai Kona WAF to protect web applications from OWASP Top 10 threats
• Configure and operate Netskope SWG policies for secure internet access and threat protection
• Design and enforce Illumio micro segmentation policies to control east west traffic
• Work with SOC, network, cloud, and application teams to support incidents and policy changes
• Analyze logs, reduce false positives, and maintain operational documentation
• Support audits, compliance needs, and continuous security improvements

Required Skills

• Hands on experience with Akamai Kona, Netskope, and Illumio
• Strong understanding of web security, HTTP/S, OWASP Top 10
• Knowledge of proxy/SWG concepts and Zero Trust / segmentation principles
• Good networking fundamentals (TCP/IP, DNS, firewalls)

Preferred Skills

• Cloud exposure (AWS/Azure/GCP)
• API security and bot protection exposure
• Scripting (Python / PowerShell)
• Security certifications – nice to have

EY | Building a better working world EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.