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Job ID : 1614367 Date Updated : September 25th, 2026
1-2 years of IT governance/security OK

Junior IT Governance & Security Specialist

Location Tokyo - 23 Wards
Job Type Permanent Full-time
Salary 6 million yen ~ 8 million yen

Work Style

Remote Work and WFH Casual Clothing Side Business Ok

Job Description

【証券取引運営会社】ジュニア ITガバナンス&セキュリティスペシャリスト募集中!

*和文は英文に続く


One of Japan's larger IT Trading System providers is now looking for a Junior Security Engineer.

You will monitor and respond to security alerts, perform triage and investigations, manage client tickets, collaborate with teams on incident response, and engage in security projects. You will stay updated on emerging threats, conduct risk assessments, and implement security strategies to protect systems and data. As a technical focal point for security solutions, you will provide guidance, mentorship, and ensure alignment with industry standards. Strong communication, teamwork, and problem-solving skills are essential for success in this role.

Responsibilities:
- Monitor SIEM/SOAR platforms and respond to suspicious or abnormal alerts in a timely manner.
- Perform initial triage and investigation of alerts, using multiple data sources and documenting findings.
- Manage and resolve client tickets, including tracking and follow-up on ongoing security incidents.
- Collaborate with Incident Response and cross-functional teams to support investigations and security initiatives.
- Stay up to date on emerging threats, including CVEs and known exploits, and apply insights to daily operations.
- Serve as a technical focal point for security solutions such as firewalls, WAF, NAC, TLS/SSL, DNS security, and vulnerability tools.
- Demonstrate expertise in web security, patch management, and core security domains (e.g., email security, IPS).
- Conduct risk assessments, security audits, and compliance checks to identify and mitigate vulnerabilities.
- Develop and implement security strategies, policies, and best practices to protect systems, networks, and data.
- Secure cloud environments (AWS, Azure, GCP), implement cloud security tools (CSPM, CIEM, CWPP), and integrate security into CI/CD pipelines.

Required Skills:


Why should you apply:
- Work on a Proprietary Trading System (PTS) used by major finance securities companies in Japan, and diversity environment in IT department. 
- There are opportunities to learn at this cutting-edge FinTech company.


Company Details:
A leading financial solution service company operates a highly sophisticated Proprietary Trading System (PTS) for the trading of Japanese equities. The company prides itself of a very international environment, structure career progression and support, including providing learning opportunities for candidates interested in the financial and trading industry.

Working Hours: 9:00 - 18:00(Mon - Fri)
Working Style: Work in office
Holidays: Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays. (Compensatory holiday for weekend working.)
Services/Benefits: Social Insurance, 401K, Company life insurance plan, Medical check etc., Casual Dress code, Self-directed continuous learning programs
Interview Process: 3 interviews (HR + Hiring Manager, Other Department Manager, CIO). Final interview is face to face. 

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日本有数のITトレーディングシステムプロバイダーが、ジュニアITガバナンススペシャリストを募集しています。本ポジションでは、CIOオフィスの一員として、ITガバナンス体制の強化と、社内ポリシー・各種規制・業界標準へのコンプライアンス確保を支援していただきます。ITコンプライアンスの監督補助、リスク管理、インシデント対応、事業継続計画(BCP)支援、IT予算管理およびコスト最適化への貢献が主な業務となります。

業務詳細
- ITガバナンスおよびコンプライアンス対応:ITガバナンスポリシー・フレームワークの策定と運用。ISO、NIST、IPA、FISCなどの規制・業界標準に準拠した対応
- リスクマネジメント:ITおよびシステム関連のリスクの特定・評価・モニタリング。リスクレジスターの管理、サプライチェーン・ベンダーリスク管理(SCRM)の監督補助
- 監査・アシュアランス対応:内部監査チームと連携し、IT内部監査や外部監査(規制監査含む)への対応、指摘事項の是正措置のフォローアップ
- インシデントマネジメント:インシデントの検知・エスカレーション・解決の調整、根本原因分析と予防策の実施
- 事業継続・レジリエンス:BCP/DR(災害復旧)計画の策定・テスト・実行支援。ITと事業の継続性確保
- 予算・財務管理補助:企業全体のIT予算策定・コスト分析・財務計画の補助。経営目標に沿った予算執行支援
- プロジェクトマネジメント支援:ITおよび他部門連携プロジェクトへの参画。プロジェクト成功に向けたガバナンス、リスク、コンプライアンスの観点からの支援

ポジションの魅力
- 国内大手金融証券会社で利用されているPTS(Proprietary Trading System)に携わり、IT部門でダイバーシティを実現できる環境です
- 最先端のFinTech企業で学ぶチャンスがあります


会社概要
日本のキャピタルマーケットにおける最前線で、日本株取引のための高度な私設取引システム(PTS)を運営している大手金融ソリューションサービス会社です。同社は、金融・トレーディング業界に興味のある候補者に学習機会を提供するなど、非常に国際的な環境、キャリアアップの仕組み、サポートを誇りとしています。
就業時間: 3交代制
勤務スタイル: オフィス勤務
休日休暇:土曜、日曜、祝日、年末年始、有給休暇、その他特別休暇
待遇・福利厚生: 社会保険、DC年金、交通費支給、スキルハウス大学、テストバック制度、他
面接プロセス: 3回

General Requirements

Minimum Experience Level Over 1 year
Career Level Entry Level
Minimum English Level Business Level
Minimum Japanese Level Business Level
Minimum Education Level High-School
Visa Status Permission to work in Japan required

Required Skills

- ITガバナンス分野での実務経験1年以上
- リスク管理、IT予算管理、プロジェクトマネジメントの基本的な理解

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-  Minimum of 1–2 years of experience in IT Governance, IT Operations, Information Security, or a related tech-administrative role.
-  Familiarity with modern IT landscapes, risk management, and fundamental information security concepts.

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Permanent Full-time
Salary 6 million yen ~ 8 million yen
Work Hours 9:00 - 17:30 (Mon-Fri)
Holidays Saturday, Sunday, and National Holidays, etc
Industry Other (Banking and Financial Services)

Job Category

Company Details

Company Type Small/Medium Company (300 employees or less)
Non-Japanese Ratio Majority Japanese