T

Toss

Fintech super-app for payments and banking

Infrastructure Operations Engineer

System AdministrationUpdated on Nov 10
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • The candidate should be a new graduate or have no more than three years of IT infrastructure operations experience.
  • The candidate should be able to inspect Linux services, processes, logs, resource usage, and system status.
  • The candidate should have directly worked with at least one of servers, virtualization, storage, or data protection through work, projects, or practical exercises.
  • The candidate should be able to investigate problems using logs and documentation and explain the troubleshooting process and lessons learned.
  • The candidate should be able to learn new technologies and unfamiliar environments independently and apply what they learn.
  • The candidate should be able to use English-language technical documentation and share progress or requests for assistance with colleagues.

Responsibilities

  • Inspect Linux, x86 server, and virtualization environments; perform patching, security configuration, change management, and incident response.
  • Operate data protection systems centered on backup and recovery, verify data recoverability through restoration tests, analyze data protection failures, and improve recovery procedures.
  • Use metrics and logs to detect anomalies and respond to incidents; identify and carry out recurrence-prevention work through root-cause analysis and retrospectives.
  • Understand security, audit, and disaster recovery requirements for financial services, and maintain operational records and verification results.
  • Automate repetitive or error-prone work using Python, Shell, Ansible, or similar tools.
  • Standardize procedures for inspections, patching, data protection result checks, and operational record collection; maintain documentation and code so colleagues can understand and use them.
  • Improve monitoring metrics and alerts to detect incidents sooner and reduce unnecessary alerts and repeated responses.
  • Participate in the private-cloud transition by validating and refining operating procedures, monitoring, and data protection and recovery in the new environment.
  • Assess whether new technologies and tools are applicable based on operational experience, and implement validated improvements in production operations.

Desired Qualifications

  • Experience operating infrastructure in a live service environment, including change management and incident response.
  • Experience automating recurring inspections, tasks, or incident response, or standardizing operations to reduce workload and errors.
  • Experience managing infrastructure configuration and changes as code using Ansible, Terraform, or similar tools.
  • Experience operating private or public cloud environments or participating in a virtualization environment transition.
  • Experience improving monitoring and log analysis using Zabbix, Prometheus, VictoriaMetrics, Grafana, OpenSearch, or similar tools.
  • Experience operating data protection systems and conducting recovery validation or disaster recovery exercises.
  • Experience with financial-sector infrastructure operations or security and audit response.
  • Experience using AI tools for operations automation, log analysis, or technical documentation, including evaluating the accuracy and applicability of results.

About the Company

Toss

Fintech super-app for payments and banking

Toss is a South Korean financial services platform that started as a peer-to-peer money transfer service and has grown into a digital 'super app' for personal finance. Its products are accessed through one mobile interface that unifies bank accounts, credit cards, loans, investments, and other financial services, including its own Toss Bank and Toss Securities. It differentiates itself by offering a broad, integrated ecosystem—combining digital banking, asset management, and brokerage services under one roof and running its own banking and securities units. Its goal is to become the leading consumer finance platform in South Korea while expanding its user base globally.

Company size
1,001-5,000
Company stage
Series G
Total funding
$1.5B
Headquarters
Seoul, South Korea
Founded
2011

Recently Posted Jobs

Explore more opportunities at Toss

See more jobs