Staff Security Engineer (Penetration Tester)
Core
Red Team member performing offensive security operations, penetration testing, and threat actor simulations to identify and exploit vulnerabilities in web, mobile, API, and network systems.
Role type
Staff Security Engineer (Red Team / Penetration Tester)
Builds
Security posture improvements and exploit validation for Coupang's e-commerce platform
Domain
E-commerce, Cybersecurity (Offensive Security)
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Offensive security methodology, Web application testing, Mobile application testing, API security testing, Network penetration testing, Threat actor simulation, Linux command-line proficiency, TCP/IP networking, Scripting (Python/Java), Penetration testing tools (Burp Suite, Metasploit, Nmap)
Preferred skills
Cloud security (AWS), Cyber Kill Chain framework, MITRE ATT&CK framework, E-commerce domain knowledge
Technologies
Burp Suite, Metasploit, Kali Linux, Nmap, AWS, Python, Java
Responsibilities
Perform penetration testing on web, mobile, API, and network systems; Execute threat actor simulation campaigns (Red Team); Provide remediation guidelines for identified vulnerabilities
Seniority
Staff, hands-on IC