Cybersecurity Engineer
Core
Develop, maintain, and innovate internal cybersecurity tools while performing ethical penetration testing and establishing mobile security standards for Visa's consumer and corporate mobile/Mac products.
Role type
Senior IC mobile security engineer (AI-integrated)
Builds
Internal security tools, automated testing frameworks, and mobile security assurance processes
Domain
Payments technology / Mobile application security / AI security
Deliverable
production ML models | product features | dashboards & analysis
Required skills
Ethical penetration testing, mobile platform security, AI model understanding, containerized deployments, secure coding practices, threat modeling, risk assessment, reverse engineering, network interception
Preferred skills
Mobile wallet security, SDK security, advanced mobile security concepts, secure development lifecycle integration, security metrics definition
Technologies
Docker, Node, Python, Java, Swift, Burp Suite, IDA pro, APKTool, Hopper, HP Fortify, CheckMarx, Cycript, XPosed, Charles, dex2jar, Kali Linux, Wireshark, Claude Code, Pi agent, Codex
Responsibilities
Develop and optimize internal cybersecurity tools and automated testing scripts; Perform ethical penetration testing on mobile and Mac assets; Create mobile security guidelines and standards; Analyze security gaps in mobile technologies and implement remediation; Integrate architectural risk assessment and threat modeling into SDLC; Research mobile platform releases to establish security standards; Improve secure coding practices and automation; Define simplified security metrics for executive and operational staff.
Seniority
Senior, hands-on IC
