About PayPay

Toranomon, Tokyo

With over 47 million registered users (as of May 2022), PayPay is the country’s most popular mobile wallet. Half of all of Japan's smartphone users are using it, and more than 2 billion payments made per year.

Key benefits

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

About the position

PayPay is looking for a self-driven and motivated AWS SecOps (Platform Security) Engineer to help secure our payment platform. Our Platform/infrastructure is mainly based on AWS and GCP.

Responsibilities

  • Security Architecture reviews and re-design of existing AWS and GCP infrastructure.
  • Security Architecture reviews and design of new AWS and GCP infrastructure.
  • Design and enforce secure infrastructure deployment and deployment flows.
  • Perform Infrastructure security testing and patching to keep up with recent security implementation and best practices.
  • Evaluating and Implementing new security technologies such as vulnerability testing, logging, monitoring and incident responses and maintaining them.
  • Working in a fast paced environment where projects and prioritization may change frequently, security will always remain.

Tech Stack

  • AWS: AM, VPC, KMS, EC2, CloudTrail, SecurityHub, GuardDuty, RDS, EKS, Elasticsearch, Elasticache and others
  • GCP: BigQuery, Storage & Google Analytics
  • TCP Networking, SSL/TLS, Key Management Systems
  • MySQL/AuroraDB, DynamoDB, ELK, Kafka, Redis, TiDB
  • Terraform, Jenkins, Github Actions
  • Snyk, Snort,
  • PlantUML, Cloudcraft
  • Slack, Zoom

Requirements

  • Minimum of 3 years of demonstrated experience security over 200+ servers in a public facing, production environment doing the following:
  • PayPay DevOps emphasizes automation. Demonstrated skill with Python and Shell Scripting is required
  • Initial verification, design and implementation of security in AWS using the following AWS Services:
    • IAM, VPC, KMS, EC2, CloudTrail, SecurityHub and GuardDuty
    • Automated security monitoring and incident response in AWS
    • IAC tools in AWS such as Terraform, Ansible
  • Securing Kubernetes and microservice architectures
  • Securing common Linux based infrastructure (primarily Amazon Linux and Ubuntu based)
  • Securing data systems such as RDS (e.g. MySQL, Aurora), NoSQL (e.g. Redis, Elasticsearch, Cassandra), and MQ (e.g. Kafka)
  • Experience with git and CI/CD tools such as Jenkins and ArgoCD
  • Motivated to work with the platform and infrastructure for modern system using micro-service architecture

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience with other cloud service providers (e.g GCP)
  • Experience managing Microsoft Windows servers
  • CVE Contributions
  • Open Source tools contributions
  • Published papers / blogs / articles
  • Relevant and verifiable certifications
  • JNLP Level 3 or above

Compensation

7 to 15 million JPY annually.

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