Staff Security Engineer (Detection Operations : Email)
Core
Design, operate, and monitor email security infrastructure to detect and respond to phishing, spam, and malware attacks, while developing detection policies and playbooks.
Role type
Staff Security Engineer (Detection Operations: Email)
Builds
Email security solutions, detection policies, and incident response playbooks for Coupang's internal email ecosystem.
Domain
Cybersecurity, Email Security, Threat Detection
Required skills
Email header analysis, Threat analysis and response, Malware and phishing website analysis, Email security policy setting, Email traffic knowledge, Email security system and solution operations, Phishing simulation training, SPF/DKIM/DMARC implementation, Network security basics, System security basics, Analytical skills, Problem-solving skills, Data-driven communication
Preferred skills
Automation and scripting (Python, Go, Linux shell, Powershell), Cybersecurity certifications (CISSP, etc.), SQL queries and data visualization (Splunk, ELK Stack), Cloud platforms (AWS, Azure, GCP), OWASP and MITRE ATT&CK knowledge, On-premise and Cloud environment knowledge
Responsibilities
Design and implement email security infrastructure, Operate and monitor email security solutions, Identify and respond to email-based attacks (phishing, spam, malware), Develop email security detection policies and playbooks, Conduct email security reviews and establish guidelines, Perform rapid response and damage minimization during security incidents, Conduct phishing simulation training and write reports, Research and apply latest email security technologies, Perform on-call duties for after-hours incidents and issues
Seniority
Staff, hands-on IC with strategic oversight
