Tokyo PlaxidityX (Formerly Argus)
Who are we?
PlaxidityX is a global leader in the automotive cyber security industry. We protect drivers & manufacturers from cyber attacks on their vehicles. We use top notch technology & have several products for inside & outside the car

Why PlaxidityX ?
You can be part of a leading company in the automotive industry
You can help save lives
You can work with cool challenging technology
You can make an impact & help change the world

Role Overview
We are looking for an expert penetration tester who can uncover and exploit vulnerabilities in next-generation automotive systems.

You will work with leading OEMs and Tier-1 suppliers to perform hands-on testing of vehicles, ECUs, networks, and embedded systems, exposing weaknesses and helping strengthen overall system resilience.

Key Responsibilities
Conduct penetration testing of a wide array of automotive ECUs and systems.
Identify, expose, and exploit vulnerabilities in vehicular systems.
Research automotive networks, protocols, and embedded technologies.
Work with new, top-of-the-line vehicles and cutting-edge platforms.
Document penetration testing results in detailed reports and present findings to customers.

Requirements
3+ years of penetration testing experience in automotive, embedded, or low-level systems.
Strong knowledge of cybersecurity, network protocols, vulnerabilities, mitigations, and penetration testing methodologies.
Proficiency in scripting/programming (Python, Bash, C/C++ or similar).
Hands-on experience with hardware interfaces (e.g., JTAG, SPI, soldering).
Knowledge of Linux/QNX/Android.
Self-driven, fast learner with a hands-on, problem-solving mindset.
Excellent communication skills in English (Read, Write, and Speak).
Excellent communication skills in Japanese (Read, Write, and Speak) – N1 level.


Advantages:
Offensive security background and vulnerability research experience.
OSCP or similar penetration testing certification.
Automotive testing knowledge (common protocols & security mechanisms).
Familiarity with ISO 21434, UNR-155, and NIST/ISO risk frameworks.
Familiarity with Threat Analysis and Risk Assessments (TARA) methodologies.
Experience publishing research, CVEs, or presenting at security conferences.
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