Staff Security Engineer (Penetration Tester)
Core
Conducting penetration tests on web, mobile, API, and network systems to identify and analyze security vulnerabilities for Coupang's e-commerce platform.
Role type
Staff Security Engineer (Penetration Tester / Red Team)
Builds
Security posture improvements and threat simulation campaigns for Coupang's global commerce ecosystem
Domain
E-commerce / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Offensive security expertise, web/mobile/API security testing, penetration testing tool usage (Burp Suite, Metasploit, Kali Linux, Nmap), Linux OS and TCP/IP networking, command-line proficiency, programming for automation (Python, Java)
Preferred skills
E-commerce industry experience, cloud environment experience (AWS), Cyber Kill Chain and MITRE ATT&CK framework knowledge, computer science degree, offensive security certifications (OSCP, OSCE, OSED, CREST, SANS)
Technologies
Burp Suite, Metasploit, Kali Linux, Nmap, Python, Java, AWS, Linux
Responsibilities
Perform penetration tests on web, mobile, API, and network targets; Provide remediation plans and response guides for discovered security issues; Execute threat actor simulation activities (Red Team campaigns)
Seniority
Staff, hands-on IC