IDC System Technician

Toss SecuritiesSeoul

On-site Contract

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Experience Level

Experience

Qualifications

To be successful in this role, candidates should have: A minimum of 5 years of experience in an IDC environment. Understanding and experience in colocation and space/power planning. Experience managing large physical systems and diverse equipment. Strong communication skills for collaboration with partners and teams. In-depth knowledge of hardware components and operating systems. Experience with IT outsourcing projects is a plus.

About the job

Join Our Team!

As an IDC System Technician at Toss Securities, you will be part of the System Engineering Team.
Work closely with System Engineers and Network Engineers to design, build, and operate on-premises system infrastructure.
Focus on testing, standardization, and automation to ensure swift and reliable system provision while managing and optimizing the overall asset management and operations of the IDC.

Your Responsibilities:

Perform installation, configuration, and operational support for system-related tasks based on on-site work at the IDC.
Lead first-line response and troubleshooting for incidents occurring in system equipment.
Manage overall operational tasks such as equipment installation, relocation, and maintenance through effective communication with partner companies.
Continuously monitor physical and logical resources necessary for system operations and respond promptly to events.
Oversee the entire lifecycle of IDC equipment, including testing and budgeting for standard equipment selection.
Produce and maintain documentation such as manuals, policies, and reports necessary for system operations.

We Are Looking for Candidates Who:

Have at least 5 years of experience in system configuration and operations within an IDC environment.
Possess understanding and experience with colocation, including rack and power planning considerations.
Have operational and management experience with large-scale physical systems and diverse equipment.
Exhibit strong communication skills for seamless collaboration with partners and internal teams.
Have a deep understanding and practical experience with hardware components such as servers, storage, and power supplies, as well as OS knowledge (Linux, Windows, Hypervisor).
Have experience with related projects like IT outsourcing (ITO).

Resume Submission Tips:

Please provide detailed descriptions of your experiences in the following areas:
Experience in large-scale system configuration and operations in an IDC environment.
Examples of standardization/automation applied for operational efficiency and their results.
Systematic operational experience in maintenance, asset management, and partner management.
Memorable system incident cases and how you resolved them.
Experience in pre-testing and comparative analysis for optimal system adoption.
Specific examples of HW infrastructure configuration and troubleshooting experience.

Please Note:

This position is a contract role with a duration of 1 year.
Employment may be rescinded if any false information is found in the resume or if disciplinary issues arise during work history.
Individuals disqualified as per Toss Securities regulations may have their applications canceled.
People with disabilities and those eligible for national veterans' benefits will receive preference in accordance with relevant laws.

Your Journey to Joining Toss Securities:

Application submission > Job interview > Cultural fit interview > Final acceptance and onboarding.

About Toss Securities

Toss Securities is a leading financial technology company in South Korea, dedicated to providing innovative financial services and solutions. We foster a collaborative and dynamic work environment where technology and finance converge to create unparalleled customer experiences.

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IT Planning Team Leader

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Full-time|On-site|Seoul

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Apr 14, 2026

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Finance Team Leader

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Full-time|On-site|Seoul

Join Toss Payments!Toss Payments aims to understand business challenges and inefficiencies, providing all necessary solutions from technology to operations. We create products that deliver easy and convenient service experiences for consumers while ensuring an environment for merchants to focus solely on their business.We operate under the core objective of 'innovating the electronic payment market' based on principles of autonomy and responsibility, working within a strong culture of mutual trust. We are looking for colleagues to help shape the future of the payment industry!About the Team You'll JoinThis is a critical position leading and managing the Finance Team within the Finance Tribe.In addition to the Finance Team, the Finance Tribe also includes the FP&A Team. The Finance Team Leader will closely collaborate with various internal and external teams, including finance teams from affiliates.The Finance Team has recently led important agendas such as transitioning to K-IFRS, shortening closing schedules, and enhancing internal accounting management systems, and will continue to play a central role in significant events, supporting the growth of Toss Payments.Your ResponsibilitiesPerform monthly, quarterly, and annual closings while preparing separate and consolidated financial statements to respond to external audits.Manage accounting issues in accordance with IFRS, ensuring accurate and transparent reporting.Provide insights into the company's financial status and performance to assist management in making informed decisions.Strengthen internal controls and improve accounting procedures to manage financial risks.Design, operate, and evaluate internal accounting management systems to meet legal requirements.Manage changes to the internal accounting management system to enhance the reliability of financial statements.Oversee tax reporting and regulations to ensure compliance with relevant laws.Manage tax audits and reporting processes while formulating effective tax strategies.Optimize and identify areas for improvement in accounting systems and processes.Implement the latest technologies to enhance the accuracy and efficiency of accounting tasks.Update accounting processes in response to changes in relevant regulations and monitor ongoing compliance.Lead the accounting team to maximize performance and support the growth and development of team members.Supervise key accounting procedures and policies, effectively managing task allocations.Collaborate with various departments to provide accurate accounting information and support financial analyses.Ideal CandidateUnderstanding of internal accounting management systems (ITGC and US SOX).Knowledge of how specific accounting issues impact financial statements and key financial ratios.Experience in complex accounting treatments (derivatives, goodwill impairment, stock options, deferred taxes, revenue recognition, M&A).5+ years of experience in audit firms or 10+ years in in-house finance roles.CPA qualification (KICPA) preferred.Experience collaborating with audit firms and external experts.Experience with corporate spin-offs, new affiliate establishments, M&A, etc.Experience in system and process improvements aimed at shortening closing schedules.Experience leading initial system setups and enhancing/stabilizing accounting infrastructures.Experience with global accounting software such as SAP, Oracle.Strong internal communication skills with executives and operational departments.Resume TipsBe specific about the tasks and projects you have worked on in your resume or cover letter.Quantify your roles, impacts, problem identification/analysis, hypothesis formulation/testing, execution, and results to highlight your expertise and capabilities.

Mar 9, 2026

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Full-time|On-site|Seoul

# About the Team You'll Join- The AML Monitoring Team at Toss Bank is part of the Legal & Compliance Division, responsible for conducting Suspicious Transaction Reporting (STR) activities.- The organization comprises the AML Monitoring Team, which handles STR operations, and the AML Team, focused on planning and operations for anti-money laundering. Both teams collaborate closely to ensure compliance with regulations and protect both Toss Bank and its customers.- The AML Monitoring Team consists of the AML Monitoring Manager and AML Monitoring Specialists, who bring a wealth of experience from various financial institutions, providing a deep understanding of financial transactions.- This team strives to automate repetitive and straightforward processes, allowing them to focus on reviewing high-risk transactions and identifying new types of suspicious activities related to the bank's expansion.# Responsibilities You'll Have- Lead the review of STR alerts and the preparation of reports, ensuring efficient and accurate submissions to KoFIU and follow-up activities.- Oversee various themed monitoring activities.- Handle the submission of requested materials related to STR reports for regulatory agencies and respond to internal/external audits.- Define and lead the requirements for IT improvements related to STR reporting and oversee testing.- Set team objectives aligned with the advancement of STR reporting using AI (ML/LLM) technologies and facilitate collaboration with relevant departments.# Ideal Candidate Profile- Experience leading teams or parts involved in STR reporting is essential.- A minimum of 7 years of experience in anti-money laundering roles within the financial sector is required.- Familiarity with responding to regulatory inspections is necessary.- Excellent communication skills are crucial for collaboration with various departments.- Experience in advancing STR reporting through AI technologies is a plus.- Background in establishing new teams is advantageous.- Team leaders at Toss Bank are not just managers; they are leaders who actively support colleagues and remove obstacles to enable them to perform better.# Resume Submission Recommendations- Rather than simply listing responsibilities, detail your specific roles, responsibilities, and the duration of each task.- Provide comprehensive details about your experience leading teams or parts involved in STR reporting, including duration, team size, and member characteristics.- If you have experience in enhancing AI-based STR reporting or IT system improvements, please describe your specific contributions and duration of involvement.- If you have led efforts in automating or optimizing processes, please share specific examples.# Journey to Joining Toss Bank- Application submission > Job interview > Cultural fit interview > Leadership interview > Reference check > Salary negotiation > Final acceptance and onboarding.# Important Reminders- If any false information is found in your resume or if disciplinary actions are identified in your work history, your employment may be rescinded.- As per Toss Bank's employment regulations, candidates with disqualifying factors may have their applications canceled.- Individuals with disabilities and those eligible for national veterans' benefits will receive preferences in accordance with relevant laws.

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Full-time|On-site|Seoul

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Mar 9, 2026

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Quality Assurance Team Leader

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Full-time|On-site|Seoul

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Mar 9, 2026

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Full-time|On-site|Seoul

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Mar 9, 2026

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Full-time|On-site|Seoul

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Mar 9, 2026

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Full-time|On-site|Seoul

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Mar 9, 2026

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Senior Customer Care Team Leader

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Full-time|On-site|Seoul, South Korea

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Apr 2, 2026

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Corporate Legal Team Leader

Toss

Full-time|On-site|Seoul

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Mar 12, 2026

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Corporate Credit Rating Team Leader

Toss Bank

Full-time|On-site|Seoul

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Mar 9, 2026

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Legal Team Leader for Platform Operations

Toss

Full-time|On-site|Seoul

About the Team You'll JoinThe legal organization at Toss is organized into several sectors: Fintech, Platform, Global, and Corp, collectively operating under the Legal Tribe.The Platform Legal Team focuses on non-financial platform businesses, addressing regulatory issues related to e-commerce, advertising, and app services.Our approach is proactive; we engage from the conception of business ideas to construct frameworks that operate within legal boundaries.In a rapidly evolving platform environment, our key role is to ensure that laws act as facilitators for sound decision-making rather than obstacles. Your ResponsibilitiesAs the leader of the Platform Legal Team, you will establish a legal framework that enables decision-making across non-financial platform operations.You will design the transaction structures for new services/business models from the initial stages and systematically define core regulatory risks related to e-commerce and advertising.Rather than simply categorizing legal issues as “possible/impossible,” you will compare risks, uncertainties, and alternative scenarios to support rational business decisions.You will develop, agree upon, and implement risk level criteria applicable to platform operations (e.g., Red/Yellow/Green). This includes definition, organizational consensus, application processes, and case-based updates.Collaborating closely with business leaders, product owners, and compliance teams, you will summarize issues on a single page and facilitate decision-making. When necessary, you will document the rationale and conditions for decisions to ensure reusability.In the event of disputes or issues, you will not only respond but also work towards improving structures, policies, and processes from a prevention standpoint.You will operate a ‘regulatory radar’ that includes impact analyses and action plans for the rapidly changing platform, data, and privacy regulations, providing proactive support.As the team leader, you will set work priorities and quality standards while continuously enhancing team capabilities through reviews, coaching, and recruitment. Ideal Candidate ProfilePossess over 10 years of experience as a lawyer in corporate consulting or as an in-house counsel.Have direct experience leading key legal issues in non-financial business sectors, including e-commerce and advertising.Ability to articulate legal bases in terms of risk size, uncertainty, and alternatives rather than simply stating what is possible or impossible.Proven experience in resolving conflicts between business, compliance, and legal perspectives to achieve consensus and conclusion.Demonstrated leadership experience in establishing standards, gaining organizational consensus, and guiding teams towards company goals. Preferred ExperiencesRelevant work experience in e-commerce or comprehensive platform companies.Understanding of business mechanisms such as platform transaction structures (e.g., listing, mediation, direct sales, advertising products), promotion, settlement, and exposure structures.Experience in responding to data and privacy regulations, including internal policy and process design. Resume RecommendationsPlease detail how you defined issues related to fair trade or platform businesses and what alternatives you proposed.Highlight experiences where you made significant changes to decision-making and operational processes beyond simple review/advisory roles.If external disclosures are sensitive, you may anonymize or omit company names/services/numbers (e.g., “large comprehensive platform,” “average daily traffic level,” etc.). Journey to Join TossApplication submission > Job interview > Cultural fit interview > Reference check > Compensation negotiation > Final acceptance and onboarding

Mar 12, 2026

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Internal System Engineer at Toss Securities | Seoul

Toss Securities

Full-time|On-site|Seoul

About the Team You Will Join The Internal System Engineer position at Toss Securities is responsible for managing in-house infrastructure and IT support, collaborating closely with IT Managers and Internal Network/System Engineers. You will design both wired and wireless networks for the headquarters and remote locations, while integrating user-centric security technologies to create a seamless work environment. Your role will focus on enhancing internal infrastructure and operational efficiency, allowing Toss Securities colleagues to concentrate on their work. Your Responsibilities Upon Joining Establish and operate in-house VDI/HCI/virtualization infrastructure. Oversee the deployment and management of the Horizon VDI environment. Build and manage the necessary servers and HCI infrastructure. Streamline repetitive tasks through automation and scripting solutions. We Are Looking for Someone Who Has experience in building and managing servers based on Windows and Linux. Is capable of establishing and operating hypervisor environments such as VMware and Docker. Can manage VMware Horizon-based VDI environments. Possesses experience in setting up and operating various infrastructure services such as DNS, DHCP, AD, and SMB. Has basic knowledge of NAC, VPN, and DLP technologies. Has experience in establishing and managing monitoring tools like Prometheus, Grafana, and Zabbix. Is proficient in automation development using Python, PowerShell, and Ansible. Journey to Joining Toss Securities Application > Job Interview > Cultural Fit Interview > Reference Check > Salary Negotiation > Final Acceptance and Onboarding Please Note If any false information is found in the resume or if disciplinary actions are confirmed during employment, the recruitment may be canceled. Applicants who fall under the hiring restrictions or disqualifying reasons according to Toss Securities regulations may have their applications canceled. Individuals with disabilities or who are veterans will be given preferential treatment according to relevant laws. A Word for Future Colleagues> "You can experience everything as a System Engineer." - I joined Toss Securities after working as a System Engineer in a mobile service company with large traffic. In my previous role, I managed numerous platforms, but at Toss Securities, I realized I had a superficial understanding of infrastructure operations. Here, I closely collaborate with various departments and gain a comprehensive understanding of the overall architecture. I recommend Toss Securities for System Engineers who are eager to learn, passionate about their work, and seeking the best environment for a career quantum leap!

Mar 10, 2026

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People & Culture Team Leader

Toss Insurance

Full-time|On-site|Seoul

How the HRBP at Toss Community OperatesAs the HR Leader for the designated organization, the HRBP plays a significant role and holds substantial responsibilities within Toss Community (across all subsidiaries).They work flexibly within a flat structure, maintaining close communication with the leadership group, including the CEO and Heads.As a strategic business partner, they drive organizational and business growth by overseeing the entire HR Cycle from onboarding to offboarding.They are not just operators of policies but are deeply involved in organizational direction and decision-making. About the Team You Will JoinThis position is part of the People & Culture Team at Toss Insurance.Toss Insurance has rapidly expanded from a team of 20 in mid-2023 to approximately 70 and is poised for further growth.As we scale, there's a need for enhanced and internalized HR functions, and we are looking for a People & Culture Team Leader to spearhead these efforts.This role will serve as a bridge between Toss Community and Toss Insurance, requiring independent judgment and execution capabilities. Your Responsibilities Will IncludeAs the HR Leader for Toss Insurance, you will collaborate closely with the CEO and leadership to develop and execute the overall People strategy.Overseeing all HR areas, including workforce planning, recruitment, performance management, compensation, and career development, based on a solid understanding of the insurance/insurance agency (GA) landscape.Designing and restructuring the organizational structure to align with business goals and ensure optimal talent deployment.Managing risks through strategic decision-making regarding various employment types and ER issues while providing practical solutions.Defining organizational issues through close discussions with leadership and linking them to actionable People solutions.Beyond simply planning and operating HR policies, you will act as a strategic business partner to accelerate business growth. Ideal Candidates Will PossessAt least 10 years of HR experience or equivalent expertise.Excellent logical persuasion skills with flexible communication capabilities.The ability to adapt and drive initiatives in a rapidly changing environment.A willingness to break away from conventional HR policies in South Korea and propose and implement tailored strategies for a growing organization.A strong understanding of business that supports effective People Management. Preferred QualificationsFamiliarity with the insurance/insurance agency (GA) sector.Experience operating various employment types (contract workers, agencies, etc.).Expertise in labor relations or certification as a labor attorney.Experience working in a fast-growing organization. Resume Submission TipsDetail experiences where you proactively planned and improved HR policies.Clearly define the problems you addressed and your role in the resolution (DRI).Present the impact of your efforts on the organization and business using metrics or case studies.If you have led decision-making amidst complex stakeholder interests, please detail those experiences. The Journey to Joining TossApplication submission > Job interview > Cultural fit interview > Reference check > Final acceptance and onboarding.

Mar 9, 2026

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IDC System Technician

Toss Securities

Contract|On-site|Seoul

Join Our Team! As an IDC System Technician at Toss Securities, you will be part of the System Engineering Team. Work closely with System Engineers and Network Engineers to design, build, and operate on-premises system infrastructure. Focus on testing, standardization, and automation to ensure swift and reliable system provision while managing and optimizing the overall asset management and operations of the IDC. Your Responsibilities: Perform installation, configuration, and operational support for system-related tasks based on on-site work at the IDC. Lead first-line response and troubleshooting for incidents occurring in system equipment. Manage overall operational tasks such as equipment installation, relocation, and maintenance through effective communication with partner companies. Continuously monitor physical and logical resources necessary for system operations and respond promptly to events. Oversee the entire lifecycle of IDC equipment, including testing and budgeting for standard equipment selection. Produce and maintain documentation such as manuals, policies, and reports necessary for system operations. We Are Looking for Candidates Who: Have at least 5 years of experience in system configuration and operations within an IDC environment. Possess understanding and experience with colocation, including rack and power planning considerations. Have operational and management experience with large-scale physical systems and diverse equipment. Exhibit strong communication skills for seamless collaboration with partners and internal teams. Have a deep understanding and practical experience with hardware components such as servers, storage, and power supplies, as well as OS knowledge (Linux, Windows, Hypervisor). Have experience with related projects like IT outsourcing (ITO). Resume Submission Tips: Please provide detailed descriptions of your experiences in the following areas: Experience in large-scale system configuration and operations in an IDC environment. Examples of standardization/automation applied for operational efficiency and their results. Systematic operational experience in maintenance, asset management, and partner management. Memorable system incident cases and how you resolved them. Experience in pre-testing and comparative analysis for optimal system adoption. Specific examples of HW infrastructure configuration and troubleshooting experience. Please Note: This position is a contract role with a duration of 1 year. Employment may be rescinded if any false information is found in the resume or if disciplinary issues arise during work history. Individuals disqualified as per Toss Securities regulations may have their applications canceled. People with disabilities and those eligible for national veterans' benefits will receive preference in accordance with relevant laws. Your Journey to Joining Toss Securities: Application submission > Job interview > Cultural fit interview > Final acceptance and onboarding.

Mar 9, 2026

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System Engineer - Virtualization

Toss Securities

Full-time|On-site|Seoul

About the Team You'll Join The System Engineer at Toss Securities is a part of the System Engineering Team alongside the InfraOps Engineer. We build and support systems for both external and internal customers while managing our IDC. Our collaborative team consists of exceptional members from various fields including finance, commerce, portals, and gaming. With a focus on 'supporting everything so that we can concentrate solely on the product', we strive to establish infrastructure capable of handling large-scale traffic and are actively pursuing automation to facilitate faster product releases. Your Responsibilities Design, implement, and optimize virtualization infrastructure using VMware and KVM. Conduct ongoing research and testing to provide KVM infrastructure within Kubernetes environments. Collaborate with the service part of System Engineering to deliver virtualization infrastructure and troubleshoot issues as they arise. Design and optimize key architectures related to virtualization, including networking, storage, and computing. Design and operate monitoring solutions such as logging and metric collection, and research automation for data collection. Who We Want to Work With Deep understanding of the fundamental concepts of virtualization technology and its optimization. Experience operating both commercial and open-source virtualization solutions is a plus. Hands-on experience with Kubernetes and troubleshooting within its environment is preferred. Experience in monitoring visualization and related research is advantageous. A passion for learning new technologies and actively applying them in operational settings is desired. Experience not only with virtualization infrastructure but also in service operations is a benefit. Resume Recommendations Please detail two memorable instances of technical problem-solving (optimization, bug fixes, etc.). Describe your contributions to projects in detail (project duration, role, technology stack used, improvements made before and after the project). List the versions of the OS and major solutions you have worked with. Journey to Joining Toss Securities Application submission > Job interview > Cultural fit interview > Reference check > Salary negotiation > Final acceptance and onboarding. Please Note If any false information is discovered in your resume or if any disciplinary issues arise during your employment history, your application may be canceled. According to Toss Securities regulations, applicants who are prohibited from hiring or have disqualifying factors may also have their applications canceled. Disabled individuals and veterans will be given preference in accordance with relevant laws. A Note for Future Colleagues"You can experience everything a System Engineer does."- I worked as a System Engineer in a mobile service company handling massive traffic before joining Toss Securities. In my previous role, I supported numerous platforms, but while working at Toss Securities, I realized that I had been operating without understanding the fundamental principles behind the infrastructure systems. At Toss Securities, we closely collaborate with various departments within the infrastructure. As a System Engineer, I have come to understand the overall architecture and learned various technologies that have illuminated the principles of infrastructure systems. I highly recommend Toss Securities to those System Engineers who want to avoid complacency, love their work, and wish to make a quantum leap in their careers within the best environment for engineers!

Mar 10, 2026

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Security Engineer - Endpoint Security

Toss Securities

Full-time|On-site|Seoul

About the Team You'll Join The Security Division at Toss Securities is composed of the Security Policy Team, Security Engineering Team, Security Audit Team, and IT Innovation Team, with the Security Engineering Team focusing on technical security tasks. The security team receives comprehensive support across the organization to ensure the safety of Toss Securities services and collaborates closely with all departments. Each team member actively engages with peers in similar roles across subsidiaries, sharing knowledge and experiences to achieve common goals. The team comprises members with diverse experience levels ranging from 1 to 20 years, many of whom have backgrounds in information security firms and corporate information security roles. This year, the Security Engineering Team aims to enhance its information security management system to achieve international recognition and strengthen its capabilities in SOAR, ZTNA, and Cloud/Container security. Your Responsibilities You will identify potential security threats, data leakage risks, and compliance violations across endpoint environments and work to mitigate these issues. Analyze conflicts between security requirements and actual workflows, implementing solutions that balance security and user experience. Address endpoint security issues by analyzing root causes and implementing improvements to prevent recurrence. Manage to maintain consistent endpoint security standards throughout the device lifecycle. Design and automate policy-based control logic to evaluate endpoint status, user context, device posture, and the policy settings of security solutions to determine access permissions. Integrate endpoint security controls with IAM and access control to enhance the overall security framework. Who We're Looking For Experience in designing and customizing detection rules, blocking policies, and monitoring logic based on potential security threats in endpoint environments. Experience in designing and implementing technical solutions such as policy exceptions, temporary authorizations, and selective monitoring to ensure security controls do not hinder actual workflows. Experience in investigating endpoint security issues through log analysis, process tracing, and filesystem investigation at the Windows and macOS levels to identify root causes and establish preventive measures. Experience in designing and managing systems to maintain consistency in security standards throughout the entire lifecycle of devices, from provisioning to disposal. Ability to implement a Policy Decision Point that determines access permissions based on endpoint status information collected via security solution APIs, with experience in Python/Go, OPA, or AI/MCP-based tools being a plus. Experience in integrating security context collected from endpoints (such as device compliance and threat detection results) with IAM, network, and application layer access controls via SCIM, Webhook, and API would be advantageous. Your Pathway to Joining Toss Securities Application Submission > Job Interview > Cultural Fit Interview > Reference Check > Negotiation of Terms > Final Acceptance and Onboarding Additional Information Employment may be rescinded if false information is found in the resume or if any disciplinary actions are confirmed during employment history. Individuals who are prohibited from employment under Toss Securities regulations or have disqualifying factors may have their applications canceled. Individuals with disabilities and veterans will receive preferential treatment in accordance with relevant laws. A Note for Potential Colleagues We value innovation, collaboration, and a passion for security in our team. Join us to make a significant impact in the world of cybersecurity!

Mar 10, 2026

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