UNIX System Administrator

Job Type
6,000,000 JPY - 9,000,000 JPY per year
Japanese Level
English Level
High Intermediate (TOEIC 730)
Start Date




- Unixインフラのアップタイムと可用性の確保

- Unixインフラの安全性とセキュリティの監視と確保

- Unixチームが担当するシステムの維持・管理

- 他のチームへの支援

- 夜間や休日を含む時間外サポート、または必要に応じたリモートサポートの提供

- インフラの構築、展開、統合に関するプロジェクトベースのサポート


One of leading financial Group’s fin-tech company is looking for a UNIX System Administrator!



The successful candidate will be supporting Unix/Linux servers for our entire Securities business (online retail and wholesale).

-Ensure the uptime and availability of the Unix infrastructure

- Monitor and ensure the safety and security of the Unix infrastructure

- Maintain and administer the systems in charge by the Unix team

- Provide assistance to other teams

- Provide off-hours support which may include nights or holidays, or remote support if required

- Project-based support for building and deployment and integration with the infrastructure


【Your Team】  

You will be working with their Unix team which consists of more than a dozen Linux experts.

The team has:

- A multinational culture with the aim of growing your knowledge and career with patience.

- Flexibility for the team members to choose which ticket/project to work on. The task list will be able to be fully arranged by each individual.

- Small and big tickets/projects allow all team members to not focus on a specific task but rather to experiment with a lot of situations in parallel.

- Ability to learn a lot about bigger infrastructures with all members helping each other constantly.

- Many open-source tools.

- Harmonious and active atmosphere.

- Good honest communication and leadership within the team.


【Tech Stack】

RedHat, CentOS, Ubuntu, Gitlab, Docker, FreeIPA, Bind, oVirt, OpenStack, NFS, ElasticSearch, Keepalived, HAProxy, Pacemaker, Prometheus, TICK Stack, Splunk, DRBD, Puppet, Nagios, Icinga, Ansible



【会社概要 | Company Details】
Originally established as the core of one of leading financial Group’s FinTech strategy in July 2015, has fulfilled and surpassed this role, cementing its position as an up-and-coming Asian FinTech company with offices in Tokyo, Hong Kong and Dalian.


【就業時間 | Working Hours】
8:30 - 17:30(Mon - Fri)

【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】
各種社会保険完備(厚生年金保険、健康保険、労災保険、雇用保険)、 屋内原則禁煙(屋外に喫煙所あり)、 通勤交通費支給等
Social insurance, Transportation Fee, No smoking indoors allowed (Designated smoking area), etc.

Required Skills

- Bachelor’s (or higher) degree in Computer Science, Computer Engineering or other related technical fields

- Experience and familiarity with Git and Puppet or similar orchestration and version control tools.

- Minimum 5 years of experience supporting Linux systems

- Familiarity with infrastructure as code concepts

- Competency or ability to quickly learn to support any of the Unix-like systems managed by the Unix team.

- Good foundation and knowledge of Linux Network Internals

- Experience working on Identity Management System (FreeIPA, Active Directory, etc.)

- Flexible with occasional 24x7 support including holiday/weekends/night onsite or remote support if required

- Fluent Japanese with business level English as a plus. (Strong Japanese language is preferable)


- コンピュータサイエンス、コンピュータエンジニアリング、またはその他の関連技術分野における学士号(またはそれ以上)

- GitおよびPuppetまたは同様のオーケストレーションツールやバージョンコントロールツールの経験と知識

- Linuxシステムのサポート経験が5年以上あること

- infrastructure as codeの概念に精通していること

- Unixチームが管理するいずれかのUnixライクシステムのサポートを迅速に習得する能力がある方

- Linuxネットワークの内部に関する十分な基礎と知識

- アイデンティティ管理システム(FreeIPA、Active Directoryなど)での作業経験

- 必要に応じて、休日/週末/夜間のオンサイトまたはリモートサポートを含む24時間365日のサポートに柔軟に対応できる方

Preferred Skills

- Experience container infrastructures (Eg. Docker)

- Experience on Virtualization Management Platform (Openstack, Ovirt, etc.) or equivalent

- Experience and familiarity with Puppet and Ansible

- Experience with Bash, Python or Ruby scripting or any other programming languages

- Programming experience


- コンテナ・インフラストラクチャ(Dockerなど)の経験

- 仮想化管理プラットフォーム(Openstack、Ovirtなど)の経験または同等の経験

- PuppetおよびAnsibleの使用経験と知識

- Bash、Python、Rubyのスクリプトまたはその他のプログラミング言語の経験

- プログラミング経験