Senior, 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.
Role type
Senior Network Security Engineer (Detection Operations)
Builds
Security appliances, endpoint security solutions, and SaaS-based security services for Coupang's internal attack surface.
Domain
Cybersecurity, Network Security, Detection Operations
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Network security (L3, L4, L7), Firewall/IDS/IPS/WAF/SSLVA/NDR operations, Security log analysis, SIEM/NDR platform usage, Security policy development, Incident response, Root cause analysis, SOP creation, Vendor management, Disaster recovery planning, Monitoring automation, PoC execution, Dashboard/reporting implementation, Playbook creation
Preferred skills
CCIE/CISSP certifications, SQL/Data analysis tools, Cloud security architecture (AWS/Azure/GCP), MITRE ATT&CK/OWASP frameworks, English communication, Python/Go/JavaScript for automation
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; Establish monitoring policies and disaster recovery plans; Build security systems and network environments for new projects; Lead vendor collaboration and project execution; Develop and document SOPs; Implement operational automation; Conduct PoC and comparative analysis for new services; Improve monitoring in areas with low visibility; Analyze security logs and implement reports/dashboards; Communicate with relevant departments and respond to incidents; Analyze root causes of network issues and implement improvements; Create use cases and playbooks for network monitoring
Seniority
Senior, hands-on IC
