Senior~Staff, Security Engineer (Web Security)
Core
Operate and manage security appliances, endpoint solutions, and SaaS-based security services to detect and block cyber threats across the company's attack surface, minimizing damage and preventing recurrence.
Role type
Senior Staff Security Engineer (Web Security)
Builds
Security policies, detection rules, automated response flows, and incident response playbooks for web, network, endpoint, and email security.
Domain
E-commerce, Cybersecurity
Required skills
Web attack analysis, WAF tuning, DDoS mitigation, Bot detection, CVE response, SIEM log analysis, API security, SOP development, Flow automation
Preferred skills
CISSP or equivalent certification, CDN security experience, SQL/data visualization, Python/JavaScript, Cloud platforms (AWS/Azure/GCP), OWASP/MITRE ATT&CK knowledge, English communication (via careerplan.io/jobs/8206706-seniorstaff-security-engineer-web-security-at-coupang)
Technologies
WAF, SIEM, AWS, Azure, GCP, Route53, DNS, Python, JavaScript, SQL
Responsibilities
Deploy and manage security policies for exposed Web/API services against third-party solutions; Analyze WAF false positives/negatives and improve coverage; Detect and block DDoS and Bot requests; Conduct Web Threat Hunting and enhance detection policies; Develop SOPs, documentation, and automate response flows; Analyze SIEM/Access logs and generate reports; Collaborate with cross-functional teams on incident response and process improvement; Create monitoring use cases and playbooks.
Seniority
Senior Staff, hands-on IC
