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Job ID : 1597391 Date Updated : June 17th, 2026
大規模サービスを支えるLinux・負荷分散基盤の運用改善に挑戦

【日系テック大手】SREエンジニア(派遣)|Linux・ロードバランシング基盤

Location Tokyo - 23 Wards
Job Type Contract
Salary Negotiable, based on experience

Work Style

Casual Clothing Side Business Ok Minimal Overtime

Job Description

大規模サービスを支えるLinux・ロードバランシング基盤の運用・改善に携わるSREポジションです。

Linux、ネットワーク、自動化、API開発など幅広い技術領域に触れながら、サービスの信頼性向上に貢献できます。



主な職務内容

  • 大規模トラフィックを処理するロードバランシングインフラの設計・構築・自動化
  • エンジニアリングチームと連携し、システムの可用性・信頼性・運用効率の向上を推進
  • Linuxサーバー、ネットワーク、アプリケーションレイヤーにおける障害解析およびトラブルシューティング
  • プラットフォーム機能および運用効率向上のためのAPI開発・保守
  • インフラおよびソフトウェアのリリース・デプロイメント管理
  • グローバルに展開されるトラフィック管理ソリューションの継続的な改善
  • 運用プロセスの最適化および自動化施策の推進

Join a high-impact engineering team responsible for building, automating, and optimizing globally distributed load balancing platforms that support critical online services used by millions of users worldwide. This is an exciting opportunity for an experienced Site Reliability Engineer (SRE) to work on large-scale infrastructure, solve complex technical challenges, and contribute to the reliability, performance, and scalability of mission-critical systems in a collaborative international environment.



Key Responsibilities

  • Design, implement, and automate scalable load balancing infrastructure supporting high-volume production environments.
  • Collaborate with cross-functional engineering teams to enhance platform resilience, reliability, and operational efficiency.
  • Diagnose and resolve complex issues across Linux systems, networking infrastructure, and application layers.
  • Develop, maintain, and optimize APIs that improve platform functionality and streamline operations.
  • Coordinate infrastructure deployments, software releases, and system updates while engaging with stakeholders to ensure smooth delivery.
  • Contribute to the continuous improvement of globally distributed traffic management and network solutions.

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level Fluent
Minimum Japanese Level Basic
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

必須条件経験・資格:

  • SRE、インフラエンジニア、DevOpsエンジニア、または関連分野での実務経験3年程度〜
  • Linuxサーバーの設計・運用・トラブルシューティング経験
  • TCP、HTTP、TLS、DNS、BGPなどのネットワークプロトコルに関する知識
  • APIの設計・開発経験
  • データセンターおよびネットワークアーキテクチャに関する知識
ソフトスキル:
  • 論理的かつ体系的な問題解決能力
  • チームで協力しながら業務を推進できるコミュニケーション能力
  • 主体的に課題を発見し改善を進める姿勢
語学力:
  • 日本語:基礎レベル以上(但し、日英バイリンガルは優遇)
  • 英語:ビジネスレベル以上
歓迎条件
  • 大規模本番環境におけるインフラ運用経験
  • グローバル環境におけるインフラ運用経験
  • 大規模分散システムやトラフィック管理基盤の運用経験
この求人がおすすめの理由
  • 高トラフィックサービスの負荷分散アーキテクチャを設計し、運用の自動化まで一貫して携わることができます
  • 数百万規模のアクセスを支えるスケーラブルなインフラ基盤の構築・改善にチャレンジできるポジションです
  • 優秀なチームメンバーと仕事ができます
  • 残業少なめ
  • 副業OK
Required Skills and QualificationsExperience:
  • 3+ years of experience in Site Reliability Engineering, Infrastructure Engineering, DevOps, or related fields.
  • Strong expertise in Linux administration, system troubleshooting, and performance optimization.
  • Solid understanding of networking concepts and web protocols including TCP, HTTP, TLS, DNS, and BGP.
  • Experience designing, developing, or maintaining APIs.
  • Knowledge of data center infrastructure, network architecture, and large-scale distributed systems.
  • Experience supporting production environments with a focus on availability, scalability, and operational excellence.
Soft Skills:
  • Strong analytical and problem-solving skills with a structured approach to troubleshooting.
  • Ability to work effectively within collaborative engineering teams.
  • Excellent communication skills and the ability to engage with technical and non-technical stakeholders.
  • Self-motivated mindset with a passion for continuous improvement and automation.
Language Requirements:
  • English: Fluent
  • Japanese: Basic Level
Preferred Skills & Qualifications
  • Experience working with globally distributed infrastructure environments.
  • Knowledge of modern automation, monitoring, and observability practices.
  • Exposure to cloud platforms and large-scale traffic management solutions.
  • Experience supporting mission-critical online services.
Why You'll Love Working Here
  • Competitive hourly compensation and the opportunity to work on high-impact global infrastructure projects.
  • Minimal overtime, supporting a healthy work-life balance.
  • Gain exposure to large-scale distributed systems, networking technologies, and advanced reliability engineering practices.
  • Collaborate with highly skilled international engineering teams in a supportive and innovative environment.
  • Enjoy additional benefits including casual dress code, side business flexibility, and a modern engineering culture focused on continuous learning and improvement.

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Contract
Salary Negotiable, based on experience
Industry Bank, Trust Bank

Job Category