Intern, Security Testing and Red Team

Ensign Infosecurity (Cybersecurity) Pte Ltd

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Singapore Until 8/21/2026 H-1B sponsor history First posted July 15, 2025 Last posted July 15, 2025
Job description

Ensign is hiring !

Duties and Responsibilities:

  • Research and Development – Stay current with the latest cybersecurity threats, vulnerabilities, and tools. Contribute to the development and automation of security assessment processes, red team exercises, and the creation of new methodologies or tools.
  • Vulnerability Assessment – Learn and collaborate with the team to automate tools and identify security vulnerabilities in client systems, applications, and networks.
  • Penetration Testing – Learn and conduct security assessments by simulating attacks to identify vulnerabilities and weaknesses in client environments.
  • Reporting – Collaborate and report
  • Ad-Hoc tasks – Provide assistance with any ad-hoc tasks as needed.
  • CTF – Participate in Capture-The-Flag (CTF) events both internally and externally.

Requirements:

  • Good knowledge/interest in networking, computer networks, information security, operating systems, web applications, vulnerability assessment, penetration testing, red teaming.
  • Familiarity with programming/scripting languages such as .NET, Python, Bash and PowerShell, etc.
  • Adept, self-motivated individual with relevant projects or knowledge.
  • Willing to learn, teachable and open to feedbacks.

Preferred Qualifications/Skills:

  • Undergraduate currently pursuing a Degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • Adept, self-motivated individual with relevant projects or knowledge.
  • Possess Offensive Security Certifications is a plus. (e.g. CEH, eJPT, OSCP, CRT)
  • Familiarity with prevalent penetration testing tools and techniques.
About this role

Summary

Assist in security assessments, vulnerability identification, and participate in CTF events.

Job title

Intern, Security Testing and Red Team

Experience level

entry level

Industry

cybersecurity

Location requirements

Located in Singapore; remote work not allowed.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

networkinginformation securityoperating systemsweb applicationsvulnerability assessmentpenetration testingred teaming.NETpythonbashpowershell

Preferred skills

software developmentcomputer sciencecomputer engineeringoffensive security certificationspenetration testing tools

Specializations

cybersecuritypenetration testingvulnerability assessmentred teamingnetworking
Locations

Structured locations inferred from the posting.

Singapore

On-site City
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