Security Consultant, Red Team, Mandiant (English, Japanese)
Google · Tokyo, Japan
mid
Security Analyst
ic
3+ yrs Bachelor's
· Posted Feb 24, 2026
AI Summary
Conduct red team and purple team security assessments, including adversarial emulation, penetration testing, and web/mobile/wireless security testing. Advise clients on security controls and remediation. Requires 3+ years pen testing/red teaming experience, fluency in English and Japanese, and expertise with offensive security tools.
As a Mandiant Red Team Consulting team member, you will be responsible for assessing and advising clients on both technical and process-based controls for all manner of environments. You will perform Red and Purple Team assessments, including adversarial emulation of cyber attacks against customer organizations, and other technical cyber assessments including external pen testing, web application, mobile, and wireless security testing. You will expand the team’s capabilities through tool creation, research on offensive techniques, incorporation of threat actor intelligence, internal presentations, and knowledge sharing. This role involves external and internal-facing engagement in both Japanese and English.Part of Google Cloud, Mandiant is a recognized leader in dynamic cyber defense, threat intelligence and incident response services. Mandiant's cybersecurity expertise has earned the trust of security professionals and company executives around the world. Our unique combination of renowned frontline experience responding to some of the most complex breaches, nation-state grade threat intelligence, machine intelligence, and the industry's best security validation ensures that Mandiant knows more about today's advanced threats than anyone.
Responsibilities
- Perform offensive technical cyber security engagements of a varied nature.
- Interface with clients to address concerns, issues, or escalations, track and drive to closure any issues that impact the engagements and its value to clients.
- Advise clients on security best practices for remediating discovered issues.
- Collaborate with internal teams to expand capabilities to deliver further value to clients.
Minimum qualifications:
- Bachelor's degree in Computer Science, Information Systems, Cybersecurity, a related technical field, or equivalent practical experience.
- 3 years of experience with pen testing and red teaming functions, including network, web application, mobile, cloud, social engineering, scripting, or tool development.
- Experience with tools used for wireless, web application, and network security testing.
- Ability to communicate in English and Japanese fluently, to interact with internal and external stakeholders.
Preferred qualifications:
- Certifications related to offensive security including OSCE, OSEP, OSEE, OSCP, CCSAS, CCT, INF, or relevant SANS courses.
- Experience implementing or assessing information security implementation or assessment of security controls.
- Experience in four or more of the following: network protocols, threat intelligence analysis, system and network administration, project management, developing applications, technical incident response processes, source code review, reverse engineering.
- Experience in creating security tools and understanding of the underlying programming languages (such as Python, C# etc.).
- Excellent communication and collaboration skills.