Staff, Security Engineer (Authentication & Access)

Company Introduction

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional trade-offs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Role Overview

Coupang is seeking a highly skilled Security Architect to help design, build, and scale secure enterprise platforms and services that protect our business systems, infrastructure, and internal applications.

As a Security Architect, you will work closely with engineering, platform, and security teams to design secure solutions across identity and access management, authentication, authorization, credential management, cryptography, and data protection domains. You will provide technical leadership within your area of expertise while remaining hands-on in architecture design, software development, security automation, and platform engineering.

This role is ideal for experienced security professionals who enjoy solving complex technical challenges, building scalable security platforms, and enabling engineering teams to deliver secure-by-design systems in a fast-growing technology environment.

What You Will Do

• Design and implement security architectures for enterprise platforms, services, and large-scale distributed systems.

• Partner with software engineering, infrastructure, and platform teams to integrate security requirements into system design and development processes.

• Develop secure solutions across identity and access management (IAM), authentication, authorization, credential management, cryptography, and data protection domains.

• Design and improve authentication and authorization services using modern identity standards such as OAuth 2.0, OpenID Connect (OIDC), and federation technologies.

• Build and automate security controls, tooling, and services using software engineering best practices with a strong focus on scalability, reliability, and operational efficiency.

• Review system architectures and provide security guidance to engineering teams throughout the software development lifecycle.

• Contribute to the design and evolution of enterprise IAM platforms, access control frameworks, and credential management systems.

• Establish and promote security best practices related to secure system design, cryptography, secrets management, and access governance.

• Identify security gaps, evaluate technical risks, and recommend practical solutions that balance security, business needs, and engineering productivity.

• Develop prototypes, proof-of-concepts, and security automation solutions primarily using Python and related technologies.

• Collaborate with cross-functional stakeholders to continuously improve Coupang's overall security posture and operational maturity.

Basic Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Cybersecurity, or a related technical field.

• 10+ years of experience in security engineering, security architecture, platform engineering, software engineering, or related technical disciplines.

• Strong expertise in at least one or more of the following domains:

• Identity and Access Management (IAM)

• Authentication and Authorization

• OAuth 2.0, OpenID Connect (OIDC), Federation

• Applied Cryptography and Key Management

• Credential and Secrets Management

• Public Key Infrastructure (PKI)

• Security Policy and Access Control Frameworks

• Strong understanding of secure architecture principles for cloud-native and distributed systems.

• Hands-on software development experience with Python and security automation.

• Experience designing, implementing, or supporting enterprise security platforms and services.

• Ability to analyze complex technical problems and deliver practical, scalable solutions.

• Strong written and verbal communication skills and the ability to collaborate effectively across engineering organizations.

Preferred Qualifications

• Experience building or operating enterprise-scale IAM, Identity Governance, Access Management, or Zero Trust solutions.

• Experience designing security architectures for cloud environments such as AWS, GCP, or Azure.

• Knowledge of modern secrets management, credential lifecycle management, and privileged access management solutions.

• Experience with PKI design, certificate management, or cryptographic service platforms.

• Experience developing security platforms, internal developer tooling, or security automation frameworks.

• Understanding of threat modeling, security monitoring, intrusion detection, or incident response concepts.

• Experience working in large-scale technology companies or rapidly growing engineering organizations.

• Industry certifications such as CISSP, CCSP, ISSAP, SABSA, TOGAF, or equivalent certifications.

• Experience contributing to security standards, architectural reviews, or security-by-design initiatives.

Recruitment Process and Others:

Recruitment Process

• Application Review - Job Fit Interview - Focus Interview – Offer

• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.

• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

Things to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.

• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.

• Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below.

• https://www.coupang.jobs/en/privacy-policy/

Document Return Policy

• This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.

• A job applicant, who has applied but not been finally selected for a position at Coupang (the “ Company ”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act. However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company. In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant.

• A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit the request to the Company by email (recruitingops@coupang.com) In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail. Please be informed that the job applicant is required to pay the postage on the registered mail.

• In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process. If no request is made until the end of this period, all of his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act.