profile_picture

Hello,
My name is Sean Yap.
I am a security engineer and this is my resume/CV!

Working Experiences

Grab Holdings Inc.
Sep 2021 - Present
Security Engineer
  • Perform system architecture review, code review, training of staff, penetration testing and red teaming for Grab applications and services.
Pastel Fleur Florist
January 2013 - Present
Web-Developer / Webmaster
Pastel Fleur Florist is my family's business in which I work in a Webmaster's capacity where I manage all things IT in the business. I developed the site in 2013 and continue to maintain and update it.
  • Develop and maintain website solution for browsing, portfolio viewing and shopping cart.
  • Ensure availability and maintenance of email services, IT hardware and essential software.
Defence Science and Technology Agency (DSTA)
June 2020 - Aug 2021
Cyber Security Engineer
  • Assess risk and prepare Threat Risk Assessments (TRA) of projects/systems.
  • Perform Vulnerability Assessment and Penetration Testing (VAPT).
NUS Department of Psychology
December 2018 - April 2020
Web-Developer / Research Assistant
An independent contract job under the National University of Singapore's (NUS), Faculty of Art & Social Sciences, Department of Psychology, to design, develop and deploy a website for Auditory English Lexicon Project (AELP).
  • Develop Websites according to client's specifications; admin dashboard/panel, access control and management functionality using .NET MVC.
  • Compliance with programming standards in accordance with NUS coding standards and HP's Fortify Static Code Analyzer.
Accenture Singapore Pte. Ltd.
May 2019 - August 2019
Security Analyst, Intern
An internship with Accenture where I tried my hands on working in a Security operations center (SOC) and experiencing life client-side.
  • Support security team in Investigating and analysing internal and external security offences.
  • Assist with daily security operations center (SOC) operations.
NUS OSA
January 2018 - July 2019
October 2019 - April 2020
Web-Developer / Student Assistant
A contract job under the National University of Singapore's (NUS) student work scheme with the Office of Student Affairs (OSA).
  • Develop and design campaign microsites and other portals; including department SharePoint.
  • Assist with day-to-day website maintenance, archival of web materials and develop functionalities.
Websparks Pte Ltd
May 2018 - Aug 2018
.NET Developer (C#), Intern
An Internship with Websparks to work on creating, modifying and implementing custom CMS solutions on the Sitefinity platform.
  • Use of .NET MVC (C#) with Razor view engine to develop modules and more for integration with Sitefinity.
  • Assist in data management and programming technologies.
Ministry of Education
June 2017 - July 2017
Web Developer / Research Assistant
A temporary job with the Ministry of Education, Psychological Assessment and Research Branch in which I was tasked with revamping their internal collaboration site (SharePoint).
  • Provide consultation on improving file storage solutions.
  • Revamp and Improve SharePoint sites.
  • Manage research files.
Where To Find Ah
March 2016 - June 2016
Web Developer / Consultant
Where To Find Ah (llp) was a start-up focused on food delivery.
  • Provide consultation on IT solutions and implementation.
  • Design and develop web site prototype.
ATEAM Consultancy
April 2015 - July 2015
Web Developer / Consultant
ATEAM Consultancy (pte ltd) was a start-up focused on food takeaway.
  • Provide consultation on IT solutions and implementation.
  • Design and develop web services.
GlaxoSmithKline
March 2014 - May 2014
Associate Business IT Partner, Intern
GlaxoSmithKline (plc) is a Multinational pharmaceutical company in which I fulfiled an internship. I primarily worked on the healthcare professionals website, health.gsk.sg.
  • Support commercial team on web services and more.
  • Make use of CMS software to update and manage web pages.

Licenses and Certifications

Offensive Security
Issue Date: June 2021
Offensive Security Web Expert (OSWE)
Offensive Security
Issue Date: May 2020
Offensive Security Certified Professional (OSCP)
Offensive Security
Issue Date: May 2020
Offensive Security Wireless Professional (OSWP)
(ISC)2
Issue Date: October 2020
Systems Security Certified Practitioner (SSCP)
(ISC)2
Issue Date: May 2022
Associate of (ISC)²
CREST
Issue Date: October 2020
CREST Practitioner Security Analyst (CPSA)
  • Credential ID: 66149085
CREST
Issue Date: October 2020
CREST Registered Penetration Tester (CRT)
  • Credential ID: 66149085
Pentester Academy
Issue Date: January 2021
Certified Red Team Professional (CRTP)
Amazon Web Services (AWS)
Issue Date: June 2022
AWS Certified Security - Specialty
Amazon Web Services (AWS)
Issue Date: June 2022
AWS Certified Solutions Architect – Professional
Amazon Web Services (AWS)
Issue Date: January 2021
AWS Certified Solutions Architect – Associate
Microsoft
Issue Date: October 2021
Microsoft Certified: Azure Fundamentals
PortSwigger
Issue Date: December 2021
Burp Suite Certified Practitioner
Harvard Business Publishing Corporate Learning
Issue Date: December 2022
Grab: Emerging Leaders Harvard Program

Education

  • 2020

    Obtained Bachelor of Computing (Information Security) with Honours (Distinction)

    @ National University of Singapore (NUS)

    - Graduated with a CAP of 4.23, out of 5.
    - Completed University Town College Programme (UTCP), Resident of Tembusu College.
    - Teaching Assistant for module CS2113T, Software Engineering.

  • 2015

    Obtained Diploma in Information Security

    @ Nanyang Polytechnic (NYP)

    Graduated with a GPA of 3.74, out of 4.

  • 2011

    Obtained GCE 'O' Level

    @ North View Secondary School

  • 2007

    Obtained Primary School Leaving Examination (PSLE)

    @ Jiemin Primary School

  • 1995

    Born in Singapore

Contact

Location
Singapore
Current Work Place

Skills

Programming Languages

C, C++, C#
Java
PHP
MIPS32
x86 Assembly
Python, Visual Basic

Databases

SQL
MySQL
PostgreSQL
Oracle Database
SQLite
Microsoft Access

Software Engineering Tools

Microsoft Project
Microsoft Visio
Visual Paradigm

IDEs

Microsoft Visual Studio
Eclipse
PHPstorm
NetBeans

Source Code Editors

Sublime Text
Microsoft Visual Code
Notepad++

Multimedia Tools

Adobe Photoshop
Adobe Dreamweaver
Adobe Premiere

Operating Systems

Windows, Windows Server
Ubuntu, Raspbian
Arch Linux
Fedora, Red Hat

Frameworks

Twitter Bootstrap
ASP.NET, Webforms, MVC, core
Node.js, React.js, Express.js

Hypervisors

VMware Workstation
VirtualBox

Web Hosting Control Panels

Plesk
cPanel

Content Management Systems (CMS)

WordPress
Adobe Experience Manager (AEM)
Sitefinity

Static Code Analysis Tools

IBM Security AppScan
Micro Focus Fortify

Identity Management Systems

IBM Security Identity Manager
IBM Security Access Manager

Web Application Security Tools

Burp Suite
OWASP ZAP
Beginner
Proficient
Expert
Master

Languages

English
Mandarin

Hobbies

Jogging
Tennis
Competitive Programming
Chess
Reading
Assembling PCs

Download / Others

CV in PDF format

Download