Senior Security Engineer, Penetration Tester
Core
Execute authorized penetration tests across web applications, mobile applications, APIs, and cloud-related attack surfaces to identify vulnerabilities and provide remediation guidance.
Role type
Senior IC penetration tester (offensive security)
Builds
Validated security findings and actionable remediation plans for web, mobile, API, and cloud environments
Domain
Cybersecurity / Offensive Security (via careerplan.io/jobs/22166-senior-security-engineer-penetration-tester-at-coupang)
Required skills
Penetration testing (web, mobile, API, cloud), Linux command-line proficiency, scripting/programming for security testing, vulnerability assessment, technical evidence analysis, remediation guidance
Preferred skills
Legally authorized bug-bounty experience, red-team or adversary-simulation exposure, complex application environment testing, OSCP/OSCE/OSSED/CREST/SANS certifications
Technologies
Linux, penetration-testing tools, command-line utilities, scripting languages
Responsibilities
Execute authorized penetration tests across defined scopes, identify attack surfaces and assess vulnerabilities, distinguish verified findings from false positives, produce evidence for validated findings, coordinate testing status and findings with security teams and stakeholders, prepare testing plans and bilingual security summaries
Seniority
Senior, hands-on IC
