Cloud Infrastructure Security Engineer
- Remote OK - Anywhere in Japan
- Full-time
- May 25, 2023
Job Description
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. *Please note, this position is a part of our Product Security Engineer position, but with a strong focus on AWS security management.
Main 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
- IAM, VPC, KMS, EC2, CloudTrail, SecurityHub and 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
Qualifications
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 the following are required:
- Python
- Shell Scripting
- 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)
- MQ (e.g. Kafka)
- Experience with git and CI/CD tools such as:
- Jenkins - ArgoCD
- Motivated to work with the platform and infrastructure for modern system using micro-service architecture
Preferred Qualifications
- Bachelor's or Master's Degree in Computer Science or related field
- 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
PayPay 5 senses
- Please refer PayPay 5 senses to learn what we value at work.
About PayPay
PayPay is a FinTech company that has grown to over 70M (as of July 2025) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries.
PayPay dares to believe that they do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to their roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging themselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. PayPay is looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion.
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