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
シニアペネトレーションテストアナリストは、情報セキュリティ脅威インテリジェンスを適用し、クライアント環境内の脆弱性を特定・悪用することでサポートを行います。本役職の重点分野は、アプリケーションセキュリティ（Webアプリケーションペネトレーションテスト、APIテスト）、またはネットワークセキュリティ（脆弱性評価、外部ペネトレーションテスト、内部ペネトレーションテスト等）、レッドチームテスト（サイバー攻撃シミュレーション）のいずれかです。両方の経験は必須ではありませんが、あれば尚可です。
The Senior Penetration Testing Analyst supports by applying information security threat intelligence to identify and exploit vulnerabilities within our client’s environments. The focus area for this role is either application security (web application penetration testing, API testing), network security (vulnerability assessments, external penetration tests, internal penetration tests, etc.), Red Team Testing(cyberattack simulation). Candidates are not expected to be experienced in all areas although that would be a plus.
Conduct application security assessments (web, mobile, API, etc.) using off-the-shelf or internally developed exploitation tools to execute manual testing for advanced attacks OR network penetration testing assessments (external pen test, internal pen test, etc.)
Produce and deliver vulnerability and exploit information to clients in the form of a professional security assessment report
Conduct client conference calls to include, but not limited to project kick-off calls, notification of high/critical findings during the testing process, and close out calls to review test findings, evidence, process steps to reproduce, and remediation recommendations
Perform proactive research to identify and understand new threats, vulnerabilities, and exploits
Conduct exploitation testing using off-the-shelf or self-developed exploitation tools and document findings for client remediation
Excel as both a self-directed individual contributor and as a member of a larger team
Perform other essential duties as assigned.
Technically help and influence junior teammates to grow together.
Lead our security services as a service owner
Minimum of 5 years of experience with web application or penetration testing
Minimum of 5 years of experience with at least one of the following: Nmap, Metasploit, Kali Linux, Burp Suite
Native-level Japanese language skills (At minimum, business-level Japanese language skills are required)
Desirable
Offensive certifications such as GPEN, GWAPT, OSCP, OSEP, OSWE, OSWP etc.
Understanding of TCP/IP networking at a technical level
Bachelor of Science degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field; or equivalent professional experience
Experience with various application attack vectors, security test processes and strong knowledge of common vulnerabilities (i.e. OWASP Top 10)
Experience with penetration testing skills against Windows Active Directory or various cloud services such as AWS/Azure/GCP
Working knowledge of SQL and high-level languages
Business-level English language skills
Good technical communication skills, both written and verbal; good analytical and problem-solving skills
Ability and relevant experience in influencing teammates technically, to help them to succeed in their assigned projects.
DigiCert
ToastRemote
Asm
Taketwo