Sophos is a worldwide leader and innovator of advanced cybersecurity solutions, including Managed Detection and Response (MDR) and incident response services and a broad portfolio of endpoint, network, email, and cloud security technologies that help organizations defeat cyberattacks. As one of the largest pure-play cybersecurity providers, Sophos defends more than 500,000 organizations and more than 100 million users globally from active adversaries, ransomware, phishing, malware, and more. Sophos’ services and products connect through its cloud-based Sophos Central management console and are powered by Sophos X-Ops, the company’s cross-domain threat intelligence unit. Sophos X-Ops intelligence optimizes the entire Sophos Adaptive Cybersecurity Ecosystem, which includes a centralized data lake that leverages a rich set of open APIs available to customers, partners, developers, and other cybersecurity and information technology vendors. Sophos provides cybersecurity-as-a-service to organizations needing fully-managed, turnkey security solutions. Customers can also manage their cybersecurity directly with Sophos’ security operations platform or use a hybrid approach by supplementing their in-house teams with Sophos’ services, including threat hunting and remediation. Sophos sells through reseller partners and managed service providers (MSPs) worldwide. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com

About Us

Sophos is a global leader and innovator of advanced security solutions for defeating cyberattacks. The company acquired Secureworks in February 2025, bringing together two pioneers that have redefined the cybersecurity industry with their innovative, native AI-optimized services, technologies and products. Sophos is now the largest pure-play Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos’ complete portfolio includes industry-leading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, market-leading Taegis XDR/MDR, identity threat detection and response (ITDR), next-gen SIEM capabilities, managed risk, and a comprehensive set of advisory services. Sophos sells all these solutions through reseller partners, Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) worldwide, defending more than 600,000 organizations worldwide from phishing, ransomware, data theft, other every day and state-sponsored cybercrimes. The solutions are powered by historical and real-time threat intelligence from Sophos X-Ops and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

Role Summary

Incident Response Consultants support clients in managing increasingly sophisticated security threats daily. They not only assist in responding to incidents as they occur but also help clients prepare in advance for effective incident response. Whether handling small-scale or complex, large-scale incidents, we assist clients by conducting technical investigations, identifying the root cause and scope of the incident based on attacker behavior, and providing recommended response strategies.

インシデントレスポンスコンサルタントは、日々巧妙化するセキュリティ脅威に対面するお客様に対し、インシデント発生時の対応をサポートすることに加えて、インシデント対応を効果的に行うための事前準備についてもサポートを行います。インシデント発生時の対応については、小規模から複雑で大規模なインシデントに対して、技術的な調査を実施し、インシデントの発生原因や攻撃者の行動に基づくインシデントの影響範囲を特定するとともに、推奨対応策を提示することでお客様をサポートします。

What You Will Do

Incident response and conducting digital forensic investigation

Conduct technical investigation of complex incidents involving multiple hosts and extensive networks by collecting and analyzing trail/data and reviewing the findings by other consultants

Prepare reports on incident findings and recommended responses and present at debriefing sessions

Communicate technical issues with the Threat Intelligence team (Counter Threat Unit / CTU) and Technical Testing team

Instructor of technical hands-on training

Participate and lead Threat Hunting projects against targeted attacks

インシデント対応とデジタルフォレンジック調査の実施

複数のホストや広範囲なネットワークにおける複雑なインシデントについて、証跡データの収集、分析による技術的な調査の実施

インシデント調査結果と推奨対応策についての報告書作成と、報告会でのプレゼンテーションの実施

-脅威インテレジェンスのチーム (Counter Threat Unit / CTU) やテクニカルテスティング（TT）チームとの技術に関するコミュニケーション

技術的なハンズオントレーニングの講師

-標的型攻撃に対するThreat Huntingプロジェクトへの参画、リード

What You Will Bring

3+ years of experience in incident response, digital forensics, or network forensic

At least 1 year experience with Encase, FTK, X-Ways, F-Response, Volatility, or one or more open-source forensic tool(s)

Proficiency in the Japanese language.

Strong technical communication skills (verbal and written), including interacting with customers to resolve complex security issues during incidents and reporting to customer management

Desirable

Experience in malware analysis

Understanding of vulnerabilities and the tools to detect and analyze the

Bachelor of Science degree in computer science, computer engineering, electronics, or related technical field, or equivalent work experience

Experience with operating system administration (Microsoft Windows/Linux)

Understanding of attacker motivation and the techniques, strategies, and procedures used by attackers

Understanding of one or more of the following: ISO 27001/2, FISMA, PCI, HITRUST, NIST 800-series, CoBIT, PCI

Experience reporting to department heads and management and reporting technical content tailored to customer contact profiles of varying technical levels and organizational roles

At least one certification in GREM, GCFA, GCFE, CISA or CISSP

Communication in English

インシデント対応、デジタルフォレンジックやネットワークフォレンジック分野で3年以上の経験

Encase, FTK, X-Ways, F-Response, Volatility, オープンソースのフォレンジックツールのいずれか（複数可）の1年以上の使用経験

日本語に堪能であること

インシデント発生時のセキュリティ課題への解決するためのお客様とのやりとりや、顧客に対する報告を含む、技術に関する高いコミュニケーションスキル（口頭及び文面）

歓迎要件

マルウェア解析の経験

脆弱性への理解や、脆弱性を検出、解析するツールへの理解

コンピューターサイエンス、コンピューターエンジニアリング、電子工学または関連の技術分野の理学士号、または同等の職歴

オペレーティングシステムの管理（Microsoft Windows／Linux）経験

攻撃者のモチベーションや、攻撃者によって使われる技術、戦略、手順についての理解

ISO 27001/2, FISMA, PCI, HITRUST, NIST 800-series, CoBIT, PCIについてのいずれか1つ以上の理解

部門長や経営層への報告や、技術レベルや組織の役割が異なる顧客コンタクトプロファイルに合わせた技術的内容の報告の経験

GREM, GCFA, GCFE, CISA or CISSPについてのいずれか1つ以上の資格保有

英語によるコミュニケーション

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. Please refer to the location details in our job postings for further information.

· 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

Incident Response Consultant

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