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Principal, Security Engineer

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Principal, Security Engineer in Others new

  • Coupang
  • Full time
  • Email
  • Seoul, Korea

Responsibilities

  • Lead the engineering design and build-out of enterprise directory services and identity platform modernization.
  • Design, build, and operate large-scale, multi-domain Active Directory environments across multiple geographies.
  • Improve reliability, resiliency, security, and operational excellence across identity infrastructure.
  • Develop authentication, directory services, access management, identity lifecycle, and IAM capabilities.
  • Troubleshoot complex directory service, authentication, and integration issues as the highest level of technical escalation.
  • Develop automation and tooling to simplify operations, improve scalability, and reduce manual effort.
  • Evaluate and integrate identity technologies across hybrid Active Directory, cloud identity, and internally developed environments.
  • Establish architectural direction and technical standards for enterprise identity platforms.

Requirements

  • 12+ years of hands-on experience in Identity and Access Management, Directory Services, or Infrastructure Security engineering.
  • Deep expertise administering, engineering, and troubleshooting Microsoft Active Directory and Entra in large enterprise environments.
  • Experience designing, migrating, or modernizing complex multi-domain Active Directory environments.
  • Strong understanding of LDAP, Kerberos, Group Policy, DNS, authentication protocols, and directory service architecture.
  • Experience supporting highly available, mission-critical identity infrastructure at scale.
  • Strong experience building continuous controls around Active Directory, Entra, and IAM platforms.
  • Strong scripting or software development skills in Python, Java, or similar languages.
  • Experience automating operational processes and building engineering solutions rather than relying solely on commercial products.
  • Preferred experience with enterprise-scale Active Directory transformation, Entra ID, Okta, cloud and hybrid IAM integrations, identity governance, privileged access management, and global multi-region identity services.
  • Bachelor’s degree in computer science, information security, or a related field, or equivalent practical experience.

Benefits

  • Medical, dental, vision, life, and AD&D insurance.
  • Flexible Spending Accounts and Health Savings Account.
  • Long-term and short-term disability coverage.
  • Employee Assistance Program.
  • 401(k) plan with company match.
  • 18–21 days of paid time off per year based on tenure.
  • 12 public holidays.
  • Paid parental leave.
  • Pre-tax commuter benefits.
  • Free electric car charging station.

Salary: $209k - $360k/yr

Coupang

Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.

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