Lead Operations Engineer

Job ID 17514
Job Type
8,000,000 JPY ~ 13,500,000 JPY per year
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date
Job Type
8,000,000 JPY ~ 13,500,000 JPY per year
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date



This company provides digital certificates to customers around the world, which is an important factor for ensuring security on the Internet.

For this, they are constructing and operating a system mainly in Japan that performs orders, issues, and deliveries of electronic certificates.

With the increasing awareness of security on the Internet in these days, the needs and usage of digital certificates are diversifying. In order to meet these new needs and ever-changing requirements, the system also needs to change to a highly available and flexible form.



Cloud infrastructure

- Design, implementation, and maintenance using Terraform

■ Security

- Review and update of the current design

- Secure design and implementation of new features

■ Stability (availability, consistency)

- Easy deployments without service interruption

- Auto-recovery

■ Scalability

- Stable performance independently of number of users

- Ownership of production and test environments


Development and QA teams support

- Implementation of tools (pipelines, etc.) to allow Development and QA teams create, reset, destroy test environments and to allow deployments to those environments



- Planning

- Execution of exercises

- Incidents’ investigation



- Design and implementation of monitoring mechanism

- Alerts’ setup


Systems logs

- Collection of system logs

- Error detections and alerts mechanism setup

- Anomalies detection mechanism setup


Infrastructure costs

- Regular optimization of infrastructure costs


Periodical maintenance

- SSL certificate updates

- DNS assets management

Software update

- Detection of outdated and/or vulnerable software and update (on infrastructure level)

- Management of AWS managed services updates


【会社概要 | Company information】



Since 2006, they joined as a member of a major Japanese Internet group, and are currently developing government-level security worldwide based in Japan, the United States, Europe, Asia, and the Middle East. The cumulative total is over 25 million.

They are developing services mainly in Japan, and are developing certificate services that meet various needs not only in Japan but also in the world.

【就業時間 | Working Hours】
10:00 - 19:00(Mon - Fri)フレックスタイム制(コアタイム12:00-16:00)

【休日休暇 | Holidays】
Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays

【待遇・福利厚生 | Services / Benefits】

<その他>社員向け無料カフェ、おひるねスペース、社内託児所 等
Various social insurance (employee pension insurance, health insurance, work insurance, employment insurance), commuting transportation expenses payment, salary revision twice (January/July), overtime allowance, housing allowance, employee holding system, childbirth Childcare support system, side jobs OK, reduced working hours/working at home OK (with internal regulations)

<Others> Free cafe for employees, open space, in-house childcare center, etc.


Required Skills

- Experience in development environment operation

- Cloud experience (AWS / other cloud services)


Preferred Skills

- Knowledge of containers (Docker)

- Knowledge of web application configuration