VISA (SG) - Sr. Cybersecurity Engineer, WAF

Mid Level

Singapore

Sr. Cybersecurity Engineer, WAF

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About Us

As the world's leader in digital payments technology, Visa's mission is to connect the world through the most creative, reliable and secure payment network - enabling individuals, businesses, and economies to thrive.

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Who we're looking for

You're an Individual. We're the team for you. Together, let's transform the way the world pays. This is a hands-on technical job. Looking for an experienced candidate with extensive experience with Akamai, Cloudflare and/or Imperva Web Application Firewall policy fine-tuning and administration.

What you will be doing in this role

Candidate will develop, support, tune and deploy Web Application Firewall security solutions across Visa
Web Application Security: Engineering, deployment, and operations of Web Application Firewall security solutions and integration of those platforms with other security solutions as required
Performing hands-on Web Application Firewall deployment, configuration, policy fine-tuning and maintenance
Engineers, configures, deploys, and maintains Web Application Firewall solutions
Develops advanced alerts/reports to meet the requirements of key stakeholders
Develops automation for security tools management and workflow integration
Collaborates with key stakeholders within Information Security and Engineering teams to develop specific use cases to address specific business needs
Creates WAF rules/signatures to mitigate threats and implements best practices
Creation and implementation of custom alerting dashboards in SIEM for investigations
Works extensively with different stakeholders across Visa for tuning WAF policies or creating custom signatures
Aids in gathering metrics for measuring Performance and Risk
Provides ongoing support to existing monitoring capabilities and data collection systems
Provides development support for the expansion and implementation of new systems

Who you are

Over 6 years of experience in Cybersecurity engineering with experience that includes configuring and managing Web Application Firewalls
Experience with Akamai, Cloudflare and/or Imperva is a must
Expert Python Scripting, Perl, Shell scripting. Development experience in C++, Java, Java Script
Excellent experience with Regular Expressions
Solid understanding of web applications, web servers, application firewalls, frameworks and protocols with respect to web application development, deployment, and operation
Extensive knowledge of Imperva, Akamai and/or Cloudflare Web Application Firewall configuration and management
Extensive knowledge of web technologies and concepts
Strong understanding of TCP/IP, web protocols and networking concepts
Expertise in one or more areas such as operating systems, web services, programming languages, network devices, application vulnerabilities and attack vectors
Experience in reviewing and analyzing log files and data correlation
Excellent Logical and Practical understanding of SSDLC
Experience with managing Web/Application Servers
Scripting/programming using Python
Excellent understanding of PKI Technology
Excellent knowledge of open source and commercial application security tools and frameworks, including but not limited to Kali Web application testing tools
Experience in exploiting web apps and web services security vulnerabilities including cross-site scripting, cross-site request forgery, SQL injection, DoS attacks, XML/SOAP, and API attacks
Excellent understanding of OWASP Risks, Vulnerabilities and Mitigation Mechanisms
Experience with Web Application Firewall management and rules
Well versed in system exploits (e.g. Buffer Overflows, PTH attacks, windows authentication framework etc.)
Excellent understanding of DDoS techniques and mitigation mechanisms
Solid understanding of Incident Response Process
Prior experience in Security Operations and Incident Response
Excellent understanding of Cyber Security Operations, Incident Response processes
Excellent communication skills
Excellent team player
CISSP, SANS GPEN, GXPN, SANS GIAC AWS Security
OSCP (Offensive Security Certified Professional) is a Plus
Bachelor’s degree in engineering, computer science, information security, or information systems