ISD confronts and addresses threats to Singapore’s internal security and stability. For over 70 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists. A fulfilling and rewarding career awaits those who want to join in ISD’s critical mission of keeping Singapore safe, secure and sovereign for all Singaporeans.
MHA - Internal Security Department (ISD)
Cyber Security Penetration Tester
Permanent
Closing on 07 Jan 2026What the role is
What you will be working on
- Perform vulnerability scanning and assessments on networks/systems to discover and assess security threats
- Research and develop tools to enable efficient and accurate penetration testing
- Develop proof-of concept simulations and replicate vulnerable environment to demonstrate and assess criticality, extent and impact of discovered vulnerabilities
What we are looking for
- Degree in Computer Science, Computer/Electrical Engineering, Infocomm Security/Technology or equivalent competencies
- Strong interest and passion in Cyber Security domain
- Knowledgeable in computer networking and web development languages / frameworks (e.g. PHP/JSP/ASP/Python/Javascript)
- Familiarity with CMS (e.g. Wordpress / Joomla / Drupal / vBulletin) and Enterprise and Cloud-based technologies (e.g. Active Directory / AWS / GCP / Azure)
- Good interpersonal and communications (written / oral) skills
- Good analytical skills - able to think critically and laterally to distil complex technology concepts and implementations
- Only Singaporeans need apply
About your application process
This job is closing on 07 Jan 2026.
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 apply for other roles within MHA - Internal Security Department (ISD) or the wider Public Service.
About MHA - Internal Security Department (ISD)
The Internal Security Department (ISD) confronts and addresses threats to Singapore’s internal security and stability. For over 75 years, ISD and its predecessor organisations have played a central role in countering threats such as those posed by foreign subversive elements, spies, racial and religious extremists, and terrorists.
At the heart of our work are the collection of intelligence that enables us to size up the threats to Singapore’s internal security, and taking the executive actions necessary to overcome those threats. Every day, we collect and analyse intelligence, make impartial assessments, and take decisive action to counter the threats to Singapore’s internal security and stability, and sovereignty.
Learn more about MHA - Internal Security Department (ISD)