MI

Cyber Security Penetration Tester

MHA - Internal Security Department (ISD)

SingaporePermanent

Posted 24 Dec 2025

About this role

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. - 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 - 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

Frequently asked questions

What does a Cyber Security Penetration Tester at MHA - Internal Security Department (ISD) do?

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 …

How much does a Cyber Security Penetration Tester at MHA - Internal Security Department (ISD) pay?

The employer did not list a salary for this role. Most similar Singapore roles publish their band on the job page.

Is this Cyber Security Penetration Tester role remote, hybrid, or on-site?

The listing is based in Singapore. Check the posting for remote or hybrid options.

How do I apply for this Cyber Security Penetration Tester role?

You can apply directly on MHA - Internal Security Department (ISD)'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.