Staff, Network Security Engineer (Detection Operations)
Core
Monitoring, operating, and improving security visibility for domestic and international IDC/Office networks to detect and block cyber threats across the organization's attack surface.
Role type
Staff Network Security Engineer (Detection Operations)
Builds
Security appliances, endpoint security solutions, and SaaS-based security services for Coupang's global infrastructure.
Domain
Cybersecurity / Network Security / Detection Operations
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Network protocols (L3, L4, L7), Security solutions (Firewall, IDS/IPS, WAF, SSLVA, NDR), Security log analysis, SIEM/NDR platform usage, Security policy development, Incident response, Root cause analysis, SOP creation, Vendor management, Disaster recovery planning, Automation scripting
Preferred skills
Cloud security architecture (AWS, Azure, GCP), SQL/Data analysis tools, Security frameworks (OWASP, MITRE ATT&CK), Programming (Python, Go, JavaScript), Global stakeholder collaboration
Technologies
Firewall, IDS/IPS, WAF, SSLVA, NDR, SIEM, AWS, Azure, GCP, Python, Go, JavaScript
Responsibilities
Develop and improve monitoring plans for network security visibility; Manage security appliances and assets within IDC/Office environments; Establish monitoring policies and execute disaster recovery plans; Build security systems and network environments for new projects; Lead projects involving vendor and partner collaboration; Develop, improve, and document SOPs; Implement operational automation; Conduct PoC and comparative analysis for new services/equipment; Improve monitoring in areas with low security visibility; Analyze security equipment logs and implement reports/dashboards; Respond to incidents and communicate with relevant departments; Analyze root causes of network issues and implement improvements; Create use cases and playbooks for network monitoring.
Seniority
Staff, hands-on IC with strategic oversight
