Job Description

Company Description
Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in 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 while driven by a common purpose - to uplift everyone, everywhere by being the best way to pay and be paid.
Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.

This is an individual contributor role responsible for solving problems and taking a broad perspective to identify innovative solutions. This is at intermediate professional level and works independently with minimal guidance, and requires a high level proficiency in networking and security disciplines
Essential Functions:
This position is responsible for day-to-day operational management of network security appliances such as firewalls , proxy systems ,DDoS protections etc
Primary responsibilities includes:

• Updating firewall rules/policies to meet customer requirements, validating that user requests do not allow unauthorized network access, firewall log analysis, troubleshooting network connectivity problem via use of packet captures using packet capture technologies.
• Having broad knowledge of information security, understanding application, data , threats and mitigation , and security trends.
• Troubleshooting firewall fault conditions and coordinating firewall rebuild

efforts * Coordinates with the Security Operations Center to proactively defend against
the known exploits and vulnerabilities. * Configures internet proxy servers to restrict corporate internet access to
support the company's acceptable use policy. * Diagnoses and resolves network connectivity problems in short time frames
Applies security software patches and assists in capacity expansions. * Updates incident and change management records

• Provides technical support for activities that improve the security posture

of Visa's networks. * Provides 24x7 on-call support whenever preformation the duty of on-call, which has roaster that is rotated. (once in two months)

• Collaborate with teams to integrate AI tools with existing security frameworks. Leverage AI/ML techniques to analyze network traffic, identify anomalies, and detect threats in real-time.

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

• 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience

Preferred Qualifications:

• Strong experience in standard Enterprise Network Firewalls such as Check Point ,Fortinet, and Palo Alto Networks.
• Experience on WAF solution on cloud and on prem , such as Imperva , Akamai Cloud , F5, Fortinet etc
• Experience on Anti-DDoS Solutions - Radware , Nexusguards , Arbor Networks, Akamai
• Ability to manage Provider-1 and/or Panorama management and logging systems
• Self-motivated, attitude of ownership, and a strong desire to learn
• Experience administering enterprise IP networks in mission-critical, 24x7
• production environments
• Demonstrated ability to systematically troubleshoot problems in complex
• systems and network environments
• Experience supporting Bluecoat Proxy, Cisco ASA and Arbor technologies and policy management
• Check Point Administrator (CCSA), Check Point Engineer (CCSE), Cisco Certified Network Associate (CCNA), Certified Ethical Hacker, CompTIA Security+ certifications preferred
• Familiar with ITIL concepts such as Incident, Change, and Problem Management
• Knowledge of Python syntax and programming.
• Understanding of AI/ML concepts, including supervised and unsupervised learning, deep learning, and natural language processing.

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.