Company Description Visa is a world leader in digital payments, facilitating more than 215 billion payments transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable and secure payments network, enabling individuals, businesses and economies to thrive.

　　When you join Visa, you join a culture of purpose and belonging – where your growth is priority, your identity is embraced, and the work you do matters. We believe that economies that include everyone everywhere, uplift everyone everywhere. Your work will have a direct impact on billions of people around the world – helping unlock financial access to enable the future of money movement.

　　Join Visa: A Network Working for Everyone.

　　Job Description Candidate will develop, support, tune and deploy security solutions across Visa.

　　Primary day-today job duties involve - 

　　Web Application Security: Engineering, deployment, and operations of security solutions, including Web Application Firewalls, as well as integration of those platforms with other solutions as required. 

　　Security Software Development: Scripting and Development in Python, Shell scripting and development in other languages 

　　Essential Functions

　　Sr. Cybersecurity Engineer - Web Application Security WAF: 

　　Engineers, configures, deploys, and maintains Web Application Firewall solutions 

　　Develops scripts for manipulation of multiple data repositories to support analysts

　　Develops alerts/reports to meet the requirements of key stakeholders 

　　Develops automation for security tools management and workflow integration 

　　Collaboration with key stakeholders within Cybersecurity Engineering teams to develop specific use cases to address web and application security requirements

　　Creates WAF rules to mitigate threats and implement security best practices 

　　Develop and enhance SIEM content for Cybersecurity teams, including correlations, enrichments, dashboards, reports, and alerts that appropriately illustrate and characterize web application attacks and mitigation mechanisms 

　　Application Security

　　Knowledge of SSDLC processes, procedures, and tools

　　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 

　　Strong experience with Web Application Firewall management and rules 

　　Excellent understanding of common network and web protocols 

　　Excellent understanding of DDoS, Bot, and ATO techniques and mitigation mechanisms 

　　Cyber Defense and Incident Response

　　Solid understanding of events, related fields in log records and alerts reported by various data sources such as Windows/Unix systems, IDS/IPS, AV, HIDS/HIPS, WAFs, firewalls, and web proxies 

　　Prior experience or support of Security Operations and Incident Response

　　Excellent understanding of Cyber Security Operations and Incident Response processes 

　　Infrastructure management and support

　　System administration experience with Windows and Unix servers 

　　Experience working in a large enterprise environment 

　　Experience integrating solutions in a multi-vendor environment 

　　Familiarity with Atlassian JIRA 

　　This is a hybrid position. Hybrid employees can alternate time between both remote and office. Employees in hybrid roles are expected to work from the office 2-3 set days a week (determined by leadership/site), with a general guidepost of being in the office 50% or more of the time based on business needs.

　　Qualifications Basic Qualifications

　　•5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.

　　Preferred Qualifications

　　• 6 or more years of work experience with a Bachelors Degree or 4 or more years of relevant experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or up to 3 years of relevant experience with a PhD

　　• Experience with one or more: Akamai, AWS Cloudfront, Cloudflare, or other CDN solutions

　　• Experience with one or more of the following: Imperva WAF, F5 WAF, and CDN Firewall

　　• Web Application Firewall Experience (Must have)

　　• SecDevOps Experience

　　• Expertise in one or more of the following: Python, Perl, shell scripting, C++, Java, Java Script

　　• Excellent experience in creating Regular Expressions for security polices and rules

　　• Experience in maintaining and enhancing infrastructure as code with one or more of the following: CloudFormation, Terraform, Chef, Puppet, Jenkins, CodeDeploy

　　• Experience with using knowledge management and code repositories with Github, Gitlab, Jira, and Confluence

　　• Experience with Lambda, API Gateway

　　Additional Information Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.