NEWSLETTER

PayPay

Remote

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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.

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About PayPay

PayPay, a FinTech company that has achieved more than 69M users (as of May 2025) within around six years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan.

The company has a diverse team of professionals from more than 50 countries and is building a world-class engineering organization.

PayPay's biggest competitor is "cash". They are seeking people who can accept this challenge positively, brush up on the product at a tremendous speed that other companies could never achieve, and who are passionate about promoting and spreading such a financial life platform in a short time along with professionalism.

Japanese Language Policy
At PayPay, there is a mixture of Japanese and English spoken. Around 80% of their product team’s discussions happen in English, and they have technical interpreters and translators on staff to facilitate any translation necessary. Some members can speak both English and Japanese, but some can only speak either English or Japanese.

PayPay doesn’t have an official shared language, but in practice English tends to be the primary language used for internal communications and technical discussions like code reviews.

Instead of requiring that everyone be able to speak a specific language, PayPay expects an ability to communicate with mutual respect and a drive to ensure that you’re understood. The product team values proactive communication highly.
Visa Sponsorship
PayPay sponsors visas for applicants from overseas.
Paid Leave
- Days Off: Saturdays and Sundays. National holidays. Year-end and New Year holidays.
- Holidays: Annual paid leave, congratulatory or condolence leave, maternity leave and etc.
Benefits
🌎 Translation/interpretation support (EN<>JP)

🧡 Support for translation or other administrative tasks in Japanese

👍 Support from bilingual PIC for engineers

🇯🇵 Free Japanese lessons on company time

💻 PC and phone are given (based on the company’s regulations)

👩‍🎓 Training Program: We have various training programs for different kinds of needs

💜 Social security/insurance benefits included

💛 Defined contribution pension system (TBC)

🏥 Health insurance

🚃 Transportation coverage (up to ¥150,000/mo)
Engineer Interview Process
PayPay's Hiring process are as below:
- Application Review (English CV is required)
- Coding Test or Take Home Assignment (only applied to required positions)
- 3-4 Interviews (including both technical and behavioral interviews)
- Offer Meeting
Remote Work
PayPay is committed to maintaining a "Day 1" mindset, bringing to life visions of the future that no one else can even imagine. At PayPay, we provide an environment where everyone can deliver outstanding performance as professionals, through a flexible work style that includes remote and office.
Work style
- Super Flex Time with no core time
- In principle, from 9:00am-5:45pm (actual working hours: 7h45m + 1h break)