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Security Engineer (Redteam)
CoinHako
Vietnam
Posted on Dec 8, 2025
Location
Vietnam
Employment Type
Full time
Department
Security
Are you ready to be the first line of defense for a high-growth company in the Cryptocurrency/Blockchain space? We are seeking an experienced Security Engineer (Redteam) to join our team.
What you'll be doing:
Conduct Application Security Assessments and Penetration Tests (web, mobile, webservice....).
Analyze reports and suggest remediation / mitigation plan.
Work closely with the Internal Team: Dev/DevOps & relevant partner to find out the security vulnerability & planning to mitigate.
Research and maintain proficiency in computer network exploitation, tools, techniques, countermeasures, and trends in mobile / web application vulnerabilities, network security, and encryption.
Review source code and giving solutions to protect and improve web-apps system.
Create reports and recommendations from your findings, including the security is sue sun covered and level of risk.
Consider the impact your 'attack' will have on the business and its users.
Understand how the flaws that you identify could affect a business, or business function, if they're not fixed.
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Provide technical support in network exploitation and evasion techniques to assist incomprehensive incident handling and forensic analysis of compromised systems.
What we're looking for:
Degree in Computer Science, Information Systems, Engineering.
At least 3-year experiences in penetration testing for application (Web App, Mobile)
Strong familiarity with Linux and Windows operating systems and cloud provider ecosystems like Amazon AWS
Experience with Penetration Testing tools such as Burp Suite, Metasploit, Kali and others
Knowledge of security and architecture testing and development frameworks, such as the Open Web Application Security
Knowledge in Agile SDLC, AWS, DevOps or Ruby on Rails is a plus
Able to work with various multi-disciplinary teams, team-oriented individuals with priority on the successful completion of business goals.
Strong interest in Cryptocurrency/Blockchain/Fintech/Finance Trading is a must.
Be able to take Overnight shifts.
Proficient in English communication skill.
Advanced understanding and/or experience working in a Cryptocurrency/Blockchain/Fintech/Finance Trading domain preferred
What’s in it for you:
MacBook or high-end laptop for working.
Full coverage of social insurance.
Premium health care for you and your family members.
Full 100% salary during probationary period.
Working in a professional, friendly, well-equipped workspace with both foreigners and Vietnamese.
Extensive on job training; will always having chances to work with new emerging technologies.
Friendly and fun start-up work culture.
Find out more about Coinhako here https://www.coinhako.com/ and don't forget to visit our Careers Page https://www.coinhako.com/join-us
By submitting your application to us, you consent to the collection, use, disclosure and processing of your personal data in accordance with our privacy policy, which is accessible at https://www.coinhako.com/legal/sg-1/privacy_policy.