Threat Analyst 2

2週間前


Japan Sophos
About Us
Role Summary As a Threat Analyst - Tier II on our Managed Detection and Response (MDR) team, you will provide best-in-class monitoring, detection, and response services to proactively defend customer environments before attacks prevail. You will work alongside and contribute to a team of cyber threat hunters, incident response analysts, engineers, and ethical hackers by using enterprise, log analysis and endpoint collection systems to facilitate investigations, identification, and neutralization of cyber threats.

What You Will Do

  • Monitor, investigate, and respond to alerts generated by the Sophos security stack (including EDR/XDR capabilities)
  • Lead and mentor Tier I Analysts through escalated cases, ensuring thorough and accurate investigation practices.
  • Perform end-to-end analysis on suspicious activity to assess scope, impact, and risk
  • Identify and respond to cyber threats across customer environments using approved playbooks and tooling
  • Accurately document findings, investigative steps, and outcomes in the MDR case management platform
  • Conduct threat hunting to identify potential threats throughout the MDR customer base
  • Investigate phishing emails, suspicious binaries, and behavioral anomalies
  • Support detection tuning by identifying recurring false positives and suggesting improvements
  • Stay informed on threat actor behaviors, MITRE ATT&CK techniques, and Sophos threat research updates
  • Proactively research emerging IOCs, active exploits, and vulnerabilities to stay ahead of evolving threats
  • Contribute to internal knowledge bases, documentation, and continuous improvement initiatives
  • Participate in shift rotations and ensure timely, detailed handovers between global teams
  • Provide detection and response support for active security incidents
  • Manage case workflows: create cases, track progress, and follow up with clients until resolution
  • Engage with clients via chat, phone, and tickets as part of case handling
  • Assist with developing and refining Security Operations processes, playbooks, and tooling feedback

What You Will Bring

  • 2+ years of hands-on experience in a Security Operations Center (SOC), Managed Detection and Response (MDR) environment, or cybersecurity-focused IT role
  • Proficient in the use of endpoint and network security tools (e.g., EDR, IDS/IPS, malware detection platforms) with the ability to validate and triage complex alerts
  • Working knowledge of Windows operating systems (both workstation and server), with additional experience in Linux (Ubuntu, Debian, RedHat) or macOS environments
  • Ability to interpret and analyze Windows event logs and other telemetry data
  • Understanding of core network concepts including TCP/IP, protocols, routing, and traffic analysis
  • Demonstrated experience contributing to real-time incident response efforts and threat investigations
  • Exposure to threat hunting methodologies and an understanding of attacker behavior and patterns
  • Experience handling active threats, including containment, mitigation, and recovery efforts during security incidents
  • Familiar with techniques such as persistence, privilege escalation, lateral movement, and defense evasion, and able to identify these in real-world environments
  • Familiarity with common incident response workflows and security operations processes
  • Strong analytical thinking and troubleshooting skills, with attention to detail in investigations and case documentation
  • Excellent communication skills, with the ability to clearly explain findings to both technical and non-technical audiences
  • Customer-first mindset with professionalism and a focus on service excellence
  • Must thrive within a team environment as well as on an individual basis
  • Natural curiosity and willingness to learn in a fast-paced, ever-changing threat landscape
  • A passion for cybersecurity, continuous improvement, and staying current on threat trends
  •   Bachelor's degree in Information Technology, Computer Science, Cybersecurity or related field, or equivalent practical experience
  • Ability to communicate in English and Japanese.
  • Willingness to participate in shift work including nights, weekends and holidays (our MDR service is 24x7x365)

  • Desirable
  • Familiarity with the MITRE ATT&CK framework and its application in detection and response
  • Experience working with SIEM platforms and managing enterprise security telemetry
  • Ability to write and interpret SQL queries for data analysis and investigation
  • Experience with OSQuery and scripting skills, particularly in PowerShell
  • Relevant and practical cybersecurity certifications (e.g., GSEC, GCIA, GCIH, PEN-200, Security Blue Team L1, TCM Academy SOC L1, or similar)
#LI-FC1 #B1 #LI-Remote
Ready to Join Us? At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply.
What's Great About Sophos? ·   Sophos operates a remote-first working model, making remote work the primary option for most employees However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship. ·   Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit ·   Employee-led diversity and inclusion networks that build community and provide education and advocacy ·   Annual charity and fundraising initiatives and volunteer days for employees to support local communities ·   Global employee sustainability initiatives to reduce our environmental footprint ·   Global fitness and trivia competitions to keep our bodies and minds sharp ·   Global wellbeing days for employees to relax and recharge  ·   Monthly wellbeing webinars and training to support employee health and wellbeing
Our Commitment To You We're proud of the diverse and inclusive environment we have at Sophos, and we're committed to ensuring equality of opportunity.   We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team.  All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation.  We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know. 
Data Protection If you choose to explore an opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos.  If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights.  For more information on Sophos' data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
  • Threat Analyst 2

    2週間前


    Japan Sophos ¥8,790,000 - ¥13,500,000 per year

    As a Threat Analyst - Tier II on our Managed Detection and Response (MDR) team, you will provide best-in-class monitoring, detection, and response services to proactively defend customer environments before attacks prevail. · ...


  • Tokyo Oracle ¥4,000,000 - ¥8,000,000 per year

    We are building a team of energetic, customer-focused service operations engineers to blending system admin, incident command, customer support and NOC engineering disciplines. · Provides customer support, troubleshooting highly complex (Cloud/IaaS/PaaS/Database) technical proble ...


  • Tokyo Oracle Full time¥900,000 - ¥1,200,000 per year

    Oracle Cloud Infrastructure is building the next generation IaaS cloud service along with providing a world class cloud support experience. You'll be part of a dynamic team that learns broadly how our cloud platform works so you can be the bridge between product engineering and o ...


  • Tokyo, Tokyo Citi ¥3,000,000 - ¥6,500,000 per year

    Job summary · The Asset Servicing Analyst role involves monitoring processes and data in asset servicing operations in Tokyo. · Reconciling positions related to corporate actions events · Facilitating postings for corporate action or proxy events · ...


  • Tokyo RAPSYS TECHNOLOGIES PTE LTD ¥9,000,000 - ¥12,000,000 per year

    We are seeking a skilled and detail-oriented Cyber Security Analyst to join our team in Tokyo. · ...


  • Tokyo スキルハウス・スタッフィング・ソリューションズ株式会社 ¥7,000,000 - ¥14,000,000 per year

    スキルハウスでは、社員一同が求職者の皆様のキャリアを長期的にサポートしていきたい、という熱い情熱を持っています。現在のご要望にあったポジションだけでなく、皆様のキャリアやその後のプランを一緒に作り上げましょう。 · Skillhouse Staffing Solutions K.K. · ...


  • Tokyo Amazon ¥900,000 - ¥1,200,000 per year

    アマゾンジャパン 書籍事業本部では、アマゾンベンダーサービス(AVS)の成長・拡大を担うブランドスペシャリスト(BS)を募集しています。 · AWSとはアマゾンにとって重要なビジネスパートナーであるベンダー(出版社)のアマゾン上での成長と、各社の満足度の向上のために提供されるサービス群であり、それらのサービスは、リテール事業にとって重要な領域(品揃えの拡充、在庫・物流の最適化、オペレーションの効率化、カタログ品質、マーケティングなど)を横断的に提供されます。 · ...


  • Tokyo Amazon Full time¥2,500,000 - ¥5,000,000 per year

    アマゾンジャパン 書籍事業本部では、アマゾンベンダーサービス(AVS)の成長・拡大を担うブランドスペシャリスト(BS)を募集しています。 · AVSとはアマゾンにとって重要なビジネスパートナーであるベンダー(出版社)のアマゾン上での成長と、各社の満足度の向上のために提供されるサービス群であり、それらのサービスは、リテール事業にとって重要な領域(品揃えの拡充、在庫・物流の最適化、オペレーションの効率化、カタログ品質、マーケティングなど)を横断的に提供されます。 · AVSは担当BSを通して出版社に提供されます。アマゾンは今後このAVSを通して、各社のアマゾ ...


  • Tokyo Google

    As an Incident Response Consultant, you will provide incident response services with support. · ...


  • Tokyo 株式会社カウシェ ¥6,500,000 - ¥9,000,000

    プロダクトやビジネスにおける課題に対し、定量・定性分析を行い、課題特定と解決策を導き出す業務です。また経営課題解決に向けたデータ活用施策の提案・実行、社内教育、データ基盤の構築・改善、分析環境の高度化を丁寧に推進します。 · ...


  • Tokyo (株)荏原製作所 ¥6,600,000 - ¥10,100,000

    F4S02/AI・BIを活用した社内業務改善コンサルティング/羽田本社 · 当カンパニーにおけるデータ活用による事業促進のため、以下の業務をお任せします。 · ...


  • Tokyo スキルハウス・スタッフィング・ソリューションズ株式会社 ¥7,000,000 - ¥24,000,000 per year

    ITセキュリティ分野での経験を、新たなステージで発揮し、キャリアをさらに広げてみませんか? · Skillhouseでは現在多数のITセキュリティスペシャリストのポジションを保有しております。 · ...


  • Tokyo Amazon ¥900,000 - ¥1,200,000 per year

    アマゾンジャパン 書籍事業本部では、アマゾンベンダーサービス(AVS)の成長・拡大を担うブランドスペシャリスト(BS)を募集しています。 · AVSとはアマゾンにとって重要なビジネスパートナーであるベンダー(出版社)のアマゾン上での成長と、各社の満足度の向上のために提供されるサービス群であり、それらのサービスは、リテール事業にとって重要な領域(品揃えの拡充、在庫・物流の最適化、オペレーションの効率化、カタログ品質、マーケティングなど)を横断的に提供されます。 · AVSは担当BSを通して出版社に提供されます。アマゾンは今後このAVSを通して、各社のアマゾ ...

  • sr security analyst

    4週間前


    Tokyo Lumen Technologies ¥3,200,000 - ¥6,800,000 per year

    We are igniting business growth by connecting people, data and applications – quickly, securely, and effortlessly. Together, we are building a culture and company from the people up – committed to teamwork, trust and transparency. · As a Senior SOC Analyst,you will learn how to w ...


  • Tokyo CLPS Global ¥3,500,000 - ¥6,000,000 per year

    品質保証エンジニアとしてECプラットフォーム運営に関する品質モニタリング、課題分析および改善報告を担当します。また、ユーザーからのフィードバックや社内チケットをフォローし、問題のクローズを推進することからも責任感を持って仕事に取り組むことが求められます。 · ...


  • Tokyo Manhattan Associates Full time¥1,200,000 - ¥3,600,000 per year

    We are looking for a Senior Technology Consultant to join our team. As a Senior Technology Consultant, you will analyze complex problems associated with client-server technologies and provide technical support expertise throughout the supply chain software implementation. · A bac ...


  • Tokyo Michael Page ¥2,500,000 - ¥5,000,000 per year

    グローバルチームと連携しながら、世界的に有名なファッションブランドの一員として活躍できるチャンスです。週に3〜4回の在宅勤務が可能な柔軟な働き方ができます。 · 新規サプライヤーの登録支援 · 関係者と連携しながら、新規サプライヤーの登録プロセスをスムーズかつ迅速に完了させる · 部門間の連携による承認プロセスの推進 · 必要な承認や確認事項をスピーディに進めるため、社内の関連部門と積極的に協力する · ステークホルダーとの情報共有と調整 · プロジェクトリードや関係者に対して、進捗状況を適切に報告し、必要に応じてエスカレーション対応を行う · 購買・請 ...


  • Japan Sophos

    Incident Response Consultants support clients who face increasingly sophisticated security threats on a daily basis—not only by responding to incidents as they occur, but also by helping them prepare in advance for effective incident handling. · At least 1 year experience with En ...


  • Tokyo キャリアリンク株式会社 ¥6,000,000 - ¥10,000,000 per year

    DX推進リード(上級)の職務内容は、人材サービス企業の同社に所属し、DX並びにBPR企画・実行をリードすることです。全社のEAIの実現を担うことにもなります。 · 具体的な仕事内容としては、業務プロセス改革の企画・実行リードやBIツールによる業績達成へのKPI可視化などがあります。また、営業本部関係者へ積極的なハンズオンも行います。 · ...


  • Chiyoda Citi Full time

    + Job summary: The Investment Banking Analyst serves as a strategic advisor to clients by formulating investment strategies and raising capital. · + Responsibilities:Work with senior Corporate & Investment Bank officers · Organize and analyze financial data for client proposals · ...

  • Business Analyst

    2ヶ月前


    Tokyo Rapyuta Robotics ¥3,240,000 - ¥7,920,000 per year

    私たちは、「Empathy(共感)」というコアバリューに基づき、「きつい」「汚い」「危険」な仕事を自動化し、人々がより知的で創造的な仕事にチャレンジできる社会を実現したいと考えています。世界でも最先端の制御技術および人工知能技術を活用した、ロボティクスプラットフォームやロボットソリューションの開発と、企業への導入・運用支援を行うことで、この社会の実現を目指しています。 · 導入検討フェーズにおける顧客データ分析と導入プランの設計・提示 · 倉庫業務の理解とオペレーションデータ解析、ボトルネック可視化、改善策の立案・提案 · 倉庫シミュレーション実行と結果 ...