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보안 엔지니어 (시스템 보안) (Security Engineer)
Build and operate endpoint-security solutions for Toss Bank, including device security, access control, AI-driven security, and supply-chain defenses.
보안 엔지니어 (클라우드 보안) (Security Engineer)
Designs and implements cloud-native security architectures (AWS/GCP/Azure) to protect financial infrastructure, automating compliance and threat detection with Python and Terraform.
보안 엔지니어 (산업기능요원/전문연구요원) (Security Engineer)
Build and operate security infrastructure (firewalls, IAM, Zero Trust) to protect Toss’s fintech services and employee systems while ensuring compliance with financial regulations.
보안 엔지니어 (보안 분석 플랫폼 운영) (Security Engineer)
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.
보안 리서처 (모의해킹/취약점 분석) (Security Researcher)
Perform penetration testing and vulnerability analysis on Toss’s web and mobile apps to find and fix security flaws before attackers do.
보안 리서처 (모바일보안) (Security Researcher)
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.
보안 리서처 (산업기능요원/전문연구요원) (Security Researcher)
Performs penetration testing and vulnerability assessments on Toss’s financial services (web/mobile), researches new attack methods, and improves security for infrastructure and DevOps environments.
보안 리서처 (APT/인프라 모의해킹) (Security Researcher)
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.
모의해킹 및 취약점 분석 전문가 (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.
보안정책 담당자 (Global) (Information Security Manager)
Oversee global information security policies, compliance, and risk management for a fintech company expanding into new markets, ensuring regulatory adherence and secure operations across jurisdictions.
보안 엔지니어 (네트워크 보안) (Security Engineer)
Network security engineer on Toss's Security Infrastructure team in Seoul, building and operating the controls that protect Toss's services and employees: network segmentation for financial compliance, access control, and visibility/detection systems. Core work spans network security solutions (firewall, DDoS, IDS/IPS, WAF, SASE, ZTNA, VPN) plus automation and AI-based detection.
오픈소스 보안 전문가 (Security Researcher)
Security Researcher on Toss Bank's Security Red Team: runs regular and ad-hoc vulnerability assessments and penetration tests (web, mobile, infrastructure, source code) on internal systems, and builds/maintains in-house diagnostic tools. Core stack: Python, Django/Flask, PowerShell/Shell; cloud (Kubernetes, AWS) and MITRE ATT&CK knowledge preferred.
IT 보안운영 담당자 (일반계약직) (신입/2년 이하) (IT Security Specialist)
Entry-level (or under two years' experience) IT security specialist role at Toss in Seoul, on-site. The posting itself provides no further detail about responsibilities, required skills, or technologies.
보안 엔지니어 (CERT) (Security Engineer)
Cloud security engineer (CERT) on Toss Payments' Security Tech team in Seoul: configures and manages AWS/OpenStack security (IAM policies, security groups), monitors threats with CSPM/SIEM, analyzes CloudTrail logs, and responds to incidents, with automation via Python/Bash.
보안 엔지니어 (Endpoint) (Security Engineer)
Security engineer on Toss Payments' Security Tech team building a unified security management system across IDC and cloud. Day to day: managing AWS/OpenStack IAM and security policies, monitoring with CSPM and CloudTrail logs, operating SIEM dashboards and alerts, and responding to threats, with automation in Python/Bash.
보안정책 담당자 (Information Security Manager)
Information Security Manager on Toss Payments' Security Policy team in Seoul: operates and improves the information security management system day to day — vulnerability/risk assessments, security reviews of new services, cloud/SaaS/AI usage — while ensuring compliance with Korean e-finance and privacy laws and preparing audits for ISMS, ISO27001, and PCI-DSS.