Senior Cybersecurity Engineer
Core
Senior Offensive Security Engineer performing hands-on penetration testing, vulnerability validation, and security research across web, mobile, API, network, and cloud environments for PayPal's global payment network.
Role type
Senior IC offensive security engineer (penetration testing & vulnerability management)
Builds
Secure payment products, applications, and infrastructure for consumers and merchants
Domain
Fintech / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure
Required skills
Penetration testing (web, mobile, API, network, cloud), vulnerability validation, exploitability assessment, security research, scripting (Python/PowerShell/Perl), MITRE ATT&CK framework, OWASP/PTES methodologies, cloud architecture understanding, identity flow analysis
Preferred skills
OSCP/OSCE/OSEE/GPEN certifications, AI/ML system testing, automation of security testing, PCI DSS compliance assessment
Technologies
Python, PowerShell, Perl, Cloud Service Providers, Web/Mobile/API frameworks
Responsibilities
Scope and execute penetration tests from planning to reporting; perform hands-on testing of web/mobile/APIs and internal infrastructure; conduct network and cloud penetration testing; validate and reproduce findings from automated tools; assess exploitability and business impact; communicate findings with remediation guidance; support engineering teams in remediation; conduct security research.
Seniority
Senior, hands-on IC