Senior Android Malware Analyst

Job Description

Appealing Points:

• Work on advanced Android malware analysis and reverse engineering, identifying malicious code and uncovering sophisticated mobile threats.
• Use powerful industry tools such as IDA Pro, Ghidra, and Frida to perform deep static, dynamic, and binary analysis on real-world applications.
• Be part of a mobile security and threat research environment, contributing to threat detection, behavioral rule development, and IOC generation for stronger security systems

Annual Salary: 8 Million yen and above

Job Qualification:

• Expertise in threat identification, with the ability to accurately pinpoint malicious code and classify all categories of malicious applications.
• Proficient in industry‑recognized reverse‑engineering tools such as IDA Pro and Ghidra, along with complementary open‑source utilities, to accurately assess the malicious behaviour of Android applications.
• Experience in Android reverse engineering (APK, DEX, SDK), malware analysis including binary analysis, and threat modelling.
• Understanding of ARM-based architecture.
• Android application development experience in C/C++ and Java.
• Experience analysing app behaviour using automated tools and sandbox environments to identify known malicious patterns.
• Strong technical knowledge of security engineering, computer and network security, authentication, security protocols, and applied cryptography.
• Experience with automation and scripting, preferably in Python.
• Ability to classify applications based on predefined Standard Operating Procedures (SOPs) and known threat indicators.
•  Android development and debugging skills, which is the core requirement and  Mobile Security part.
•  Tools like: IDA Pro, Ghidra, Frida
• Analysis skills: Static Analysis (SAST), Dynamic Analysis (DAST), Binary Analysis, DE compilation, Obfuscation Bypass, Threat Detection Signature Design, Behavioral Rule Development, IOC Generation.

Languages: Basic level Japanese (JLPT N4 and above) and business level English required

Company Description:

The Company is a global technology consulting and digital solutions Company helping more than 400 clients succeed in a converging world. 

With operations in 32 countries, they go the extra mile for their clients and accelerate their digital transformation with Company's Mosaic platform enabling their mobile, social, analytics, IoT, and cloud journeys. 

Each day, the team of more than 32,000 employees enables their clients to improve the effectiveness of their business and technology operations and deliver value to their customers, employees, and shareholders.