【IT】System Administrator

Nomura Securities CO., LTD.

📍 Chiyoda-ku, Tōkyō-to, Japan

Full-time Computer Occupations Posted March 01, 2026

Job Description

IT: Developer
【IT】System Administrator
Senior Associate 職務内容
Job Description Job/Group Overview:

This is a UNIX SA role joining UNIX Team which is part of Nomura Special Infrastructure group, the job consists of dedicated support to internal Equity business unit’s systems. Responsibilities:
  • Provide in-depth focused support for COLO/DMZ production infrastructure used for high frequency and low latency trading by Japan #1 Broker-Nomura.

  • Work very closely and potentially on a daily basis with High Frequency Trading Systems development, PMO, and support teams. Provide creative solutions and implement them within short and aggressive timeframes. Lead the acquisition of “know how” and use your knowledge to keep Nomura ranking as #1 on all Japan Exchanges.

  • Interact confidently and directly with High Frequency Trading desk on a range of Client related needs. Occasionally get on the client calls, communicate with clients & interpret client n...