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インフラエンジニアの求人1,065件

Linux System Administrator

野村證券株式会社

この会社の求人 289件

掲載中・1日前に確認

給与
記載なし
勤務地
記載なし
休日
記載なし
雇用形態
記載なし

どんな仕事かAIによる生成

The Linux System Administrator supports Nomura’s Equity business unit as part of its Special Infrastructure team. The role provides production support for mission-critical Linux systems and manages system administration, incidents, changes, and operational improvements. It also involves collaboration with development, infrastructure, business, and support teams across multiple regions.

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応募資格

必須

  • Technical Skills / Experience

    • In-depth knowledge of Enterprise RedHat Linux (RHEL) version 8 and above on bare metal.
    • Solid experience in latency optimization, capacity planning, and computational tuning of RHEL on bare metal.
    • Scripting experience in one or more of: shell, Python, Perl, Ansible.
    • Practical experience with UNIX core services (e.g., LDAP authentication, Kerberos, Ansible Tower).
    • Understanding and experience with DevOps and telemetry tools.
    • More than 5 years’ UNIX support experience.
    • Strong understanding of high-performance computing using HPE servers or equivalent, including BIOS tuning and firmware options for low-latency networking.
    • Familiarity with high-performance networking hardware/software stacks such as Solarflare, Onload, PTP, or similar.
    • Hands-on experience with time-server technologies (for example, Meinberg receivers and GPS or equivalent).
    • Familiarity with DNS/DHCP and Bluecat management software or comparable tools.
    • Good knowledge of network firewalls.

歓迎

  • Experience working in an organization with a global infrastructure and cross regional teams.
  • Commitment to Site Reliability Engineering (SRE) principles − standardization and automation.
  • High vigilance regarding IT governance and IT security.
  • Good understanding of AutoSys software or equivalent scheduling tools.
  • Knowledge of Tibco RV or similar middleware messaging software.
  • Fluent English with strong communication skills.

募集要項最終確認 11/12

職種
インフラエンジニア
雇用形態
記載なし
役職
Senior Associate
給与
記載なし
勤務地
大手町
働き方
記載なし
経験年数
5年以上
掲載日
2026/07/05 01:01（131日前）
最終確認
2026/11/12 22:42（1日前）

仕事内容

Job/Group Overview

  • Join Nomura’s Special Infrastructure team as Linux System Administrator supporting the Equity business unit. In this role you will provide dedicated production support for mission critical Linux systems, ensuring high availability, performance and security. You will monitor and troubleshoot systems, manage deployments and patches, automate operational tasks, and work closely with infrastructure, application and business teams to resolve incidents and drive continuous improvement.

Responsibilities

  • Collaborate closely with High Frequency Trading Systems development, project managers, and support teams.
  • Deliver creative solutions and implement them within short, aggressive timeframes.
  • Lead knowledge acquisition and apply that expertise to help Nomura retain its #1 position on all Japan exchanges.
  • Engage confidently and directly with the High Frequency Trading desk on a variety of client-related needs.
  • Occasionally required to join client calls to communicate with clients and translate their requirements into practical designs and solutions for the COLO data center.
  • Participate in, and lead when required, new exchange connectivity build-out projects.
  • Though infrequent, these projects require focused execution under tight deadlines.
  • Operate independently and with team members across diverse locations, including Greater Asia, Europe, and the USA.
  • Take responsibility for systems availability and smooth operations, including troubleshooting, incident investigation, emergency escalation, and root-cause analysis.
  • Perform system administration tasks such as software installation and configuration, patching, system monitoring, performance tuning, capacity planning, and disaster recovery drills.
  • Work with the Cross Platform Engineering team to deliver solutions: define operational requirements, negotiate schedules, and drive the implementation of engineered solutions.
  • Execute system changes following company policies and change management procedures: collect requirements, propose changes, assess impacts, conduct non-production testing, present at Change Management meetings, obtain approvals, deploy to production, and perform post-change validation.
  • Understand, negotiate, and address IT security, audit, compliance, and regulatory requirements.
  • Ensure systems and services adhere to approved standards.
  • Submit and track support cases, and drive vendors to provide solutions, fixes, and reports.
  • Create and maintain technical documentation of system architecture, operational procedures, and runbooks.

この求人は、野村證券株式会社の採用ページの内容をAIが読み取って整理したものです。応募の前に採用ページの原文を確かめてください。データの集め方企業サイト

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