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Coupang

Sells goods online with its own overnight delivery

Staff Platform Security Architect - Cloud, Infra and Platforms Security Architecture

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • A bachelor's degree or above in Information Security, Computer Science, or a related field.
  • Ability to communicate technical topics in English.
  • Experience conducting security architecture reviews for application and infrastructure environments.
  • Experience performing code-level security vulnerability analysis and security reviews.
  • Deep understanding of authentication, authorization, service identity, and access control models.
  • Experience verifying security context propagation across APIs and inter-service communications throughout end-to-end application workflows.
  • Experience in security design and operations for Kubernetes and container-based environments.
  • Experience designing and implementing non-root or rootless container environments.
  • Experience leveraging artificial intelligence and large language model-based solutions for security automation and operational efficiency.
  • Experience solving complex security problems through collaboration with development teams and diverse stakeholders.

Responsibilities

  • Design and strengthen the security architecture across the entire Kubernetes-based platform.
  • Build and operate authentication, authorization, and encryption frameworks within the service mesh environment.
  • Establish security control systems to protect east-west inter-service and north-south external ingress traffic.
  • Develop and implement security strategies for microservices architecture environments.
  • Enhance the security posture of container and cloud-native workloads and define operational standards.
  • Build network security and inter-service trust models in large-scale distributed system environments.
  • Improve platform security through automation-based security policy design and enforcement.
  • Build detection and response systems to protect the platform and services from machine-speed attacks and advanced threats.
  • Drive Secure-by-Design culture adoption and establish security best practices through collaboration with development teams.
  • Establish long-term security strategy and technical direction for cloud-native platforms.

Desired Qualifications

  • Expertise in network segmentation and micro-segmentation.
  • Experience designing and operating Layer 7 service mesh policies based on Istio or Envoy.
  • Experience operating Kubernetes network security policies using eBPF-based CNI technologies.
  • Experience designing network access controls using Kubernetes NetworkPolicy.
  • Experience applying workload security standards using Pod Security Admission.
  • Experience with Policy-as-Code-based security controls such as Kyverno and OPA (Gatekeeper).
  • Hands-on experience in Kubernetes platform security, cloud security, or platform engineering organizations.
  • Experience designing or operating Zero Trust Architecture in large-scale distributed system environments.
  • Experience demonstrating technical leadership in security automation, DevSecOps, or cloud-native security domains.

About the Company

Coupang

Sells goods online with its own overnight delivery

Coupang runs one of South Korea's largest online stores, selling groceries, electronics, household goods and fashion to consumers and small businesses. Rather than relying on outside carriers, it delivers most orders through its own warehouses and drivers, and its Rocket Delivery service brings millions of items to doorsteps overnight or the same day. Shoppers order through the Coupang app or website, and the company earns money from its own retail sales, commissions and fulfillment fees from outside sellers, and a paid membership. Coupang was founded in Seoul in 2010 and is headquartered in Seattle, with most of its operations and staff in South Korea.

Company size
10,001+
Company stage
IPO
Headquarters
Seattle, WA
Founded
2010

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