4 Penetration Testing jobs in Singapore

As a Cybersecurity Professional, you will be part of an international connected team of specialists helping clients with their most complex cybersecurity needs and contributing toward their business resilience.

Our role offers a unique chance to build a career as unique as you are, with global scale support inclusive culture and technology to become the best version of you. We value your unique voice and perspective to help us become even better too.

• Perform web application penetration testing
• Perform mobile application penetration testing
• Perform IT and OT network penetration testing
• Perform IOT penetration testing,
• Perform source code reviews
• Perform red team assessments
• Conduct social engineering exercises

Key skills for this position include:

• Communication – Demonstrate that you listen understand before responding
• Knowledgeable – Demonstrate deep technical capabilities and understanding of the client's problems.
• Curiosity – Be proactive learn fast seek to identify issues that others might miss.
• Integrity – Conduct yourself as per our values, and do not be afraid to admit mistakes.
• Impact – Consistently deliver exceptional quality work that positively impacts the projects that you are on.
• Teamwork – You seek to ensure that the team succeeds, rather than only yourself.

This is an exciting opportunity to take your passion for cybersecurity to the next level and make a real difference in the lives of our clients.

We offer flexible working arrangements and a diverse inclusive culture where you'll be empowered to use your voice to help others find theirs.

MINDEF

Permanent

Closing on 21 Sep 2025

What the role is

You will play a pivotal role in safeguarding Singapore's defence and security interests by conducting comprehensive Penetration Testing (PT), Vulnerability Assessments (VA), and Source Code Security Reviews on IT assets, including infrastructure, web applications, and military applications.

What you will be working on

• Conduct comprehensive Penetration Testing (PT), Vulnerability Assessments (VA), and Source Code Security Reviews on IT assets, including infrastructure, web applications, and military applications
• Develop tailored security assessment tools and scripts to enhance testing capabilities and address evolving threat vectors
• Document findings, conduct analysis, and prepare detailed technical reports, including executive summaries for various stakeholders
• Collaborate with security engineers, developers, and other stakeholders to provide actionable guidance on remediating identified security risks and vulnerabilities
• Provide expertise in the design and implementation of security controls across applications, infrastructure, and network systems
• Develop and deliver specialised training and awareness programs to elevate the cybersecurity capabilities of the SAF personnel, with opportunities for growth in leadership and knowledge-sharing in the military cybersecurity context
• Maintain up-to-date knowledge of emerging threats, security best practices, and industry-standard frameworks
  Challenge(s)
• Maintaining consistent quality under time pressure
• Quickly learning and troubleshooting various tools and platforms

What we are looking for

• Education in Information Security, Computer Science, IT or a related field
• Industry-recognised certifications such as CREST CRT, GPEN, or OSCP
• At least 1 year of hands-on experience in conducting PT and VA, with a strong preference for experience in military or government-focused penetration testing
• Experience conducting security assessments on application infrastructure, networks, and cloud-based systems
• Strong understanding of web application, infrastructure, and network security architecture
• Excellent communication and presentation skills, with a focus on conveying complex security findings to both technical and non-technical stakeholders
• Ability to work independently and collaboratively within cross-functional teams
• Highly analytical, self-driven, and committed to continuous learning and skill enhancement
• Proficiency in scripting languages, such as Python, PowerShell, JavaScript, VBScript, Ruby, or Perl
• Track record of identifying and disclosing vulnerabilities or recognition in Capture-The-Flag (CTF) competitions
• Proficiency with tools such as BurpSuite, Metasploit, Nexpose, Nessus, and other industry-standard penetration testing and vulnerability assessment tools
  Appointment will be commensurate with your experience.
  Only shortlisted candidates will be notified.

About MINDEF

The mission of MINDEF and the Singapore Armed Forces is to enhance Singapore's peace and security through deterrence and diplomacy, and should these fail, to secure a swift and decisive victory over the aggressor.
The Defence Executive Officer (DXO) scheme is the non-uniformed career scheme of MINDEF that offers myriad opportunities in various job functions, such as corporate communications, cyber security, data analytics and visualisation, defence policy, finance, HR, psychology, and more. Embodying the same level of commitment towards defence, DXOs work together with their military counterparts to contribute to MINDEF/SAF's mission and ensure Singapore's security and stability. United by this common cause, our lines of defence complement each other to secure the prosperity and progress of our nation.

About your application process

This job is closing on 21 Sep 2025.

If you do not hear from us within 4 weeks of the job ad closing date, we seek your understanding that it is likely that we are not moving forward with your application for this role. We thank you for your interest and would like to assure you that this does not affect your other job applications with the Public Service. We encourage you to explore and for other roles within MINDEF or the wider Public Service.

*WHO WE ARE: *

As Singapore's longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.

Today, we're on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation. But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia's leading financial services partner for a sustainable future.

We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career.

Your Opportunity Starts Here.

Why Join

Protecting our customers' assets and data is at the heart of everything we do at OCBC. As a Security Testing Specialist, you'll play a critical role in safeguarding our systems and networks from cyber threats. You'll be part of a team that's shaping the future of cybersecurity in the financial industry.

How you succeed

To succeed in this role, you'll need to stay one step ahead of emerging threats. You'll work closely with our engineering teams to identify and mitigate risks, and develop strategies to protect our systems and data. You'll need to be proactive, collaborative, and always looking for ways to improve our cybersecurity posture.

What you do

• Perform application penetration testing on web-based applications, APIs
• Perform mobile application penetration testing across different mobile platforms
• Perform network penetration testing on systems.
• Exploit vulnerabilities to gain access and expand access to remote systems.
• Document and explain the technical details of the security issues identified during security assessments and recommend mitigation controls for remediation.
• Research cutting edge security topics and new attack vectors
• Conduct compliance testing on web-based application, mobile applications and thick/thin-client application that meet predetermined Technology Security Standards and other regulatory requirements such as MAS TRMG.
• Conduct secure code review when required
• Perform thick client penetration testing when required

Who you are

• Minimum 3 years of hands-on penetration testing experience for web applications, mobile applications, and APIs
• Experience conducting Secure Code Review
• Degree in computer science/computer engineering/information security or equivalent.
• A working knowledge of all aspects of information security is essential.
• Familiarity of MAS TRMG and other regulatory/industries requirements.
• Good communication (spoken and written) skills, able to work independently and as a team
• Certifications from either GIAC/Offensive Security/CREST required.
• Hands on experience in using Kali Linux, tools such as Burp, Tenable and other penetration testing, and secure code review tools
• Experience in conducting penetration testing for Banks in Singapore will be highly preferred
• Experience in conducting code review for AS400 and legacy mainframe systems will be an advantage

Who we are

As Singapore's longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.

Today, we're on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation.

But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia's leading financial services partner for a sustainable future.

We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career. Your Opportunity Starts Here.

What we offer

Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Equal opportunity. Fair employment. Selection based on ability and fit with our culture and values. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.

*What we offer: *

Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.