Tun Lin
@tunlin
Veteran Security Engineer & Penetration Tester with 3 years experience.
What I'm looking for
With three years of hands-on experience in cybersecurity, I have developed a strong foundation in penetration testing and security assessments across various sectors, including finance, healthcare, and e-commerce. My journey began with an Executive Diploma in Offensive Security, which equipped me with the skills to conduct comprehensive penetration testing assignments and collaborate effectively with development teams to remediate vulnerabilities.
Throughout my career, I have successfully identified and reported over 50 high-severity vulnerabilities, earning recognition from top companies. My certifications, including Certified Red Team Analyst (CRTA) and eLearnSecurity Web Application Penetration Tester eXtreme (eWPTX v2), further enhance my expertise in the field. I pride myself on my ability to communicate complex security issues to both technical and non-technical stakeholders, ensuring a clear understanding of risks and fostering a security-conscious culture within organizations.
Experience
Work history, roles, and key accomplishments
Security Engineer
Infinity Information & Dev Company Limited
Aug 2023 - Present (1 year 9 months)
As a Security Engineer, I conducted comprehensive penetration testing on various infrastructure assets, including finance and healthcare sectors. I collaborated with development teams to remediate vulnerabilities and reported security issues to stakeholders. My role involved manual testing, vulnerability assessments, and utilizing tools like Nessus and Burp Suite.
Senior Cyber Security Engineer
SecureLink IT System & Technology
Aug 2023 - Sep 2023 (1 month)
In my role as a Senior Cyber Security Engineer, I implemented security controls and participated in monitoring security events using SIEM tools. I conducted vulnerability assessments and penetration tests, utilizing advanced methodologies to uncover vulnerabilities in various systems.
Mid-level Cyber Security Engineer
SecureLink IT System & Technology
May 2023 - Aug 2023 (3 months)
As a Mid-level Cyber Security Engineer, I conducted penetration testing assessments across various platforms, collaborating with clients to tailor strategies for their specific security needs. I contributed to the improvement of penetration testing methodologies within the organization.
Penetration Tester
Freelance
Feb 2021 - May 2023 (2 years 3 months)
As a Freelance Penetration Tester, I identified and reported high-severity vulnerabilities in web applications and APIs, collaborating with security teams to ensure timely remediation. I developed expertise in various bug-hunting techniques and automated testing processes.
Application Security Engineer
SecureLink IT System & Technology
Jan 2014 - Dec 2017 (3 years 11 months)
In my role as an Application Security Engineer, I conducted penetration testing on various applications, collaborating with development teams to ensure the successful implementation of security measures. I focused on identifying vulnerabilities and improving security practices.
Education
Degrees, certifications, and relevant coursework
Lincoln University
Executive Diploma, Cyber Security
2023 -
Completed an Executive Diploma in Offensive Security, focusing on network pen-testing, Cyber Security infrastructure pen-testing, and various application pen-testing methodologies.
Sittwe University
Bachelor of Arts, Security Engineering
2013 - 2017
Pursued a Bachelor of Arts degree, gaining foundational knowledge and skills relevant to the field of security engineering.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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