Penetration Tester

Cybersecurity is at the beating heart of our business. Our diligence and expertise is what makes us the undisputed leader in electronic payments. We’ve made it our priority to create exemplary security operations and incident response teams, poised to defend us against any potential cyber threats. We’re looking for those of you who are inherently driven and fascinated by the art and science of cyber defence. We’ll equip you with the very best tools and tech so that you can deliver top-notch results.

Continuous self-development underpins job fulfilment at Visa. If you have a burning desire for self-development, working with us will expose you to challenges and opportunities to hone your skills. We’ll provide the right environment and a plethora of top-notch professionals to learn with and from.

Essential Functions:

• The objective of Visa’s Penetration Testing program is to proactively identify weaknesses and shortcomings in Visa’s security posture and recommend necessary controls and procedures to protect against adversarial threats. Our pentest experts are proactively involved in engagements that simulate adversarial threats and attacks in a timely manner.

• The Security Specialist will be a key contributor for performing internal and external ethical hacks of Visa applications and systems. Pentest team members also help with the design, development, and recommendation of security solutions to protect Visa proprietary/confidential data and systems.

• Conduct high-risk and sensitive ethical hacks of internally and externally hosted applications according to the scope defined by the pen test team.

• Subject matter expertise in web, mobile, or network penetration testing with a track record of end-to-end testing of complex systems.

• Coordinate and execute system/network level pen tests and ethical hacking exercises.

• Proactively research and identify network and system vulnerabilities and provide recommended countermeasures or controls to reduce risk to acceptable and manageable levels.

• Review results of network and application ethical hacks to determine the severity of findings and to ensure proper remediation is applied.

• Provide accurate and timely reporting of findings and proposed remediation and mitigations.

• Technical support could include but is not limited to: (1) Audit support & remediation, (2) Process Improvement, (3) Analysis & Reporting, (4) Cross Divisional Functional education, training and awareness, (5) function/methodology/strategy advancement.

• Provide technical support to senior management in identifying and streamlining new/existing protocols and tools used by the penetration testing team.

• Develop and automate scripts, tools, and resources needed to advance ethical hacking capabilities around new and emerging technologies like mobile, cloud, and embedded systems.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Qualifications

Basic Qualifications:
• 2+ years of relevant work experience and a Bachelor’s degree, OR 5+ years of relevant work experience.

Preferred Qualifications:
• 3 or more years of work experience with a Bachelor’s Degree or more than 2 years of work experience with an Advanced Degree (e.g., Masters, MBA, JD, MD).
• The candidate will ideally hold one or more of the following - CREST Certified Tester – Infrastructure or Application or other equivalent certifications.
• Good knowledge on performing pen test assessments on containers and cloud environments (Azure, AWS, GCP).
• Exposure to mainframe penetration testing would be an added advantage.
• Strong understanding of cryptographic concepts and applied cryptography (SSL, AES, etc.).
• Proficiency in one or more scripting languages (e.g., Perl, Python, Shell Scripting, etc.).
• Proficiency in one or more high-level programming languages (e.g., Java, C, C++, Ruby, etc.).
• Understanding of OWASP Top 10 and SANS Top 25 web application and network vulnerabilities.
• Expertise and experience in web/API application and network penetration testing.
• Knowledge of exploit development, vulnerability research/reporting, or writing system modules in C & C++, a major advantage and added bonus.
• Detailed understanding of OSI and TCP stack with emphasis on computer architecture and networking protocols.
• Knowledge of web application technologies and layer 7 protocols like HTTP, DHCP, DNS, FTP, etc.
• Good understanding of networking concepts around Ethernet, switched LAN, and WAN environments.
• Good understanding of protecting AI and LLMs through tailored penetration testing methodologies and practices.
• Prior knowledge or academic familiarity with reverse engineering, malware analysis, security research, and forensic tools will be an added advantage.

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.