Product Security - Infrastructure Security Engineer

PayPay Minato-ku, Tokyo
  • 💴 No salary range given
  • 🏡 Fully remote (within Japan)
  • 🧪 2+ years experience required
  • 💬 No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan
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About PayPay

PayPay Minato-ku, Tokyo

With over 65M million registered users (as of August 2024), PayPay is the country’s most popular mobile wallet used by approximately one out of every two smartphone users in Japan.

Key benefits

  • International engineering team
  • Japanese lessons on company time
  • Incredible scale

About the position

The PayPay Product Security team is looking for experienced infrastructure security engineers to lead improvements to our infrastructure and operational security, and introduce key security solutions, such as SOAR.

PayPay Product Security team is responsible for driving the application security and infrastructure security changes within the product division - the part of PayPay responsible for development and operations of the PayPay app. A strong candidate for the infrastructure security engineer position will be knowledgeable about modern infrastructure solutions (such as Kubernetes, various public clouds and their services, SQL and no-SQL databases, ElasticSearch, message brokers and so on), security challenges and threats relevant to them, and have experience in one of the following areas:

  • Leading projects to improve infrastructure security at scale (e.g. introducing role-based access control, hardening K8s configurations, introducing temporary access credentials for database access, and so on)
  • Introducing and improving security orchestration and automation, as well as solution to gather, store and analyze security events and assets

Responsibilities

  • Analyzing security risks relevant to the production infrastructure
  • Designing security measures for the product infrastructure environment
  • Implementing and running security solutions (SIEM, vulnerability management, network security, cloud security, container security, etc.)
  • Improve security incident handling within product division.
  • Improving observability and monitoring for security information and events.
  • Assisting infrastructure teams in prioritizing security goals
  • Assisting infrastructure teams in implementing and running secure solutions
  • Participating in major infrastructure projects as a security expert

Requirements

  • 2+ years of infrastructure security or relevant experience
  • Solid understanding of security principles, protocols, and best practices
  • Solid programming skills in one or more programming languages, such as Python, Golang
  • Experience leading projects in any kind of security solutions, such as CNAPP, PAM, IDS/IPS, SIEM, SOAR, WAF, NGFW, etc
  • Hands-on experience with cloud platforms, preferably AWS
  • Hands-on Terraform experience. Experience with other IAC tools is also acceptable
  • Hands-on Linux experience and comfortable with Linux commands
  • Hands-on experience with CI/CD pipelines and tools like Github Action, Jenkins, ArgoCD, etc
  • Knowledge of containerization technologies such as Docker and Kubernetes
  • Strong teamwork skills and the ability to collaborate with others in a diverse environment
  • Enjoy taking up a challenge and driving it to a conclusion

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Previous experience working in DevOps, SRE, or similar roles
  • Experience working with microservice-based systems
  • Experience working in a security position within the fintech industry
  • Native or business level Japanese proficiency
DO YOU NEED MORE INFO?
ASK A QUESTION

Meet PayPay's Developers

Ashwini leads one of PayPay’s payment sub-teams. She got there by doing something she’s done throughout her career: identifying something she wants to do and asking to do it.

Read their story...
Photo of Adrian Mariadas

Refactoring PayPay’s Android App

with Adrian Mariadas

Adrian came to Japan to join PayPay as an Android Engineer. As the app has grown in scope, refactoring the codebase to ensure development can continue at a rapid pace has been a big part of his job.

Read their story...
Photo of Yoseph Savianto

iOS Development at PayPay

with Yoseph Savianto

Yoseph joined PayPay after being attracted to their mission of making Japan a cashless society. As an iOS Engineer, he originally joined their iOS feature team, but now works on their platform team, creating an internal SDK for their iOS and Android apps.

Read their story...

Shilei started working on PayPay before it launched, and has seen it grow into a product used by tens of millions of users. He explains how diversity has helped them overcome challenges, and what PayPay is looking for in candidates.

Read their story...

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