Senior/ Lead Mobile Security


Our client is a world-class mobile cyber-security company with deep-tech skills. Their cutting-edge Mobile Application technology protects software solutions and more than 150 million users globally, and is used by top banks, mobile payment providers, and governments.


They seek a skilled (Senior or Lead) Security Researcher for our Product Security Team. Your key responsibilities will involve collaborating with the team to conduct advanced Research and Development (R&D) on mobile phone threats and creating innovative products and solutions to counter these threats.
Key responsibilities include:
Researching threats in mobile operating systems and applications for Android and iOS, such as root/jailbreak, app tampering, and runtime tampering
Assisting the team in devising protection mechanisms through reverse engineering, vulnerability research, exploitation, mitigation techniques, and mobile/embedded development
Contributing to the creation and enhancement of vulnerability signatures
Participating in penetration tests for the company’s products and applications
Scripting attacks and defenses for mobile devices and applications
Developing customer-facing security attack and defense demonstrations.


A bachelor's degree or higher in computer science, information systems, or a related field
Proficient in operating system internals (e.g., Android, iOS, Linux) and app development, particularly in the mobile space
Knowledgeable about rooting/jailbreaking and associated tools for concealment
Familiar with attack and reverse engineering tools like Frida, Theos, Ghidra, and IDA Pro
Well-versed in web VAPT tools such as Burp Suite
Strong self-starter, capable of working independently
Detail-oriented with a focus on quality
Methodical, yet innovative in research and testing
Able to thrive in a dynamic, fast-evolving environment
Possesses a positive work attitude, is proactive, and driven
Strong critical thinking and problem-solving abilities
Excellent team player with effective interpersonal and communication skills
Additional certifications in information security or ethical hacking are a plus
Soft Skills
Exceptional analytical and problem-solving skills
Quickly adaptable to and adept at learning new technologies
Ability to work independently with minimal supervision
Strong communication and interpersonal skills, including fluency in English


Experience a vibrant and welcoming workplace with engaging staff activities
Access to a Macbook Pro for work
Competitive base salary
14 days of annual leave and insurance coverage in accordance with Labour Code regulations
Flexible benefits and leave options, including birthday leave, personal leave, medical leave, and monthly work-from-home opportunities
Recognition and rewards tied to performance
Comprehensive healthcare coverage, support for sponsored football clubs, company-sponsored trips, and team-building activities.


PEGASI – IT Recruitment Consultancy | Email: | Tel: +84 28 3622 8666
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Job Summary

Company Type:

Product, mobile cyber-security

Technical Skills:

Android, iOS, Security


Ho Chi Minh - Viet Nam



Job ID: