Security Jobs in South Korea
There are 138 open Security jobs in South Korea on freehire right now. 21 of them were posted recently. The skills employers ask for most often are aws, ai and cloud.
Most requested skills
- aws 39%
- ai 38%
- cloud 36%
- python 35%
- api 21%
- iso-27001 20%
- siem 20%
- azure 20%
How the work is done
- Onsite 19 · 14%
- Hybrid 9 · 7%
- Remote 6 · 4%
Visa sponsorship offered in 81% of the 42 postings that state a position on it.
Seniority
- Senior 15
- Staff 13
- Lead 5
- Principal 5
- C-level 3
- Intern 1
Who is hiring
- 1000+ employees 58
- 501-1000 employees 33
- 51-200 employees 8
- 11-50 employees 2
- 201-500 employees 1
Security Engineer (이벤트 분석 / 사고 대응)
Build and operate detection rules, analyze security events, and automate incident response for Toss’s services in Kubernetes and cloud environments.
Security Engineer (이벤트 분석/사고 대응)
Build and operate a SIEM-based security monitoring system, analyze security events, and respond to incidents for Toss Securities, using tools like Splunk and ELK.
Security Engineer (시스템 보안)
Build and operate endpoint-security solutions for Toss Bank, including device security, access control, AI-driven security, and supply-chain defenses.
Security Engineer (클라우드 보안)
Designs and implements cloud-native security architectures (AWS/GCP/Azure) to protect financial infrastructure, automating compliance and threat detection with Python and Terraform.
Security Engineer (엔드포인트 보안)
Build and run endpoint-security controls (SOAR, ZTNA, cloud/container) for Toss Securities, balancing security with user experience and automating policy enforcement across Windows/macOS fleets.
Security Engineer [산업기능요원/전문연구요원]
Build and operate security infrastructure (firewalls, IAM, Zero Trust) to protect Toss’s fintech services and employee systems while ensuring compliance with financial regulations.
Security Engineer(보안 분석 플랫폼 운영)
Security Engineer in the Security Purple Team, responsible for designing, building, and operating SIEM (Splunk, Opensearch, Elasticsearch) and log pipelines (NIFI, KAFKA, Hadoop) across On-Prem, AWS, and K8S environments, focusing on log collection, analysis, and automation.
Security Researcher (모바일보안)
Build and integrate automated mobile-app security tools (anti-tampering, obfuscation, crypto, SAST/DAST) into CI/CD to harden Toss’s Android and iOS apps.
Security Researcher (APT/인프라 모의해킹)
A Security Researcher performs simulated hacking (APT attacks) and infrastructure diagnostics to proactively identify and mitigate vulnerabilities across Toss’s financial systems, collaborating closely with engineering teams to enhance security while balancing usability.
Security Researcher (Platform)
Build and maintain Toss’s security platform, designing IAM and auth gateways, and creating pre-deployment defenses to block vulnerabilities and malicious code before they reach production.
System Security Team Leader
Leads the System Security team at Toss Bank, designing and operating endpoint and system security solutions to protect customers from external threats while collaborating with product and compliance teams.
Security Researcher
Performs regular and ad-hoc security assessments, penetration testing, and vulnerability analysis for a digital bank’s infrastructure, systems, and applications using Python, Django, and cloud-native tools.
Staff Security Engineer (Continuous Threat Exposure Management)
Build and operate Coupang's CTEM platform, integrating EDR, CSPM, WAF, SIEM and other security tools into a unified system with detection data lineage, graph visualization, and AI agent infrastructure using Python and SQL.
Director(Team Lead), Information Security and TBA Compliance
Leads Coupang’s InfoSec & TBA Compliance team, setting governance and risk frameworks to meet South Korean telecom regulations and ensure secure, always-on ecommerce operations.
Director, Compliance [L7-II] (Information Security and TBA Compliance)
Lead Information Security and TBA Compliance monitoring programs at Coupang, developing checklists for Korean regulations (TBA, Network Act, ISMS-P), partnering with cross-functional teams to remediate issues, and providing data-driven compliance insights to executives.
Staff Security Engineer (Cyber Threat Hunting)
Staff Security Engineer leading proactive cyber threat hunting across Coupang's enterprise systems using SIEM, EDR, NDR, and cloud telemetry, with Python/PowerShell automation of hunting playbooks. Internal transfer only.