Security Penetration Tester at OPENSOURCE TECHNOLOGIES PTE LTD
Singapore, , Singapore -
Full Time


Start Date

Immediate

Expiry Date

09 Dec, 25

Salary

9000.0

Posted On

10 Sep, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Powershell, Information Security, Scripting Languages, Threat Intelligence, Ethical Hacking, Bash, Testing Tools, Python, Soft Skills, Computer Science, Security Testing, Presentation Skills, Operating Systems, Web Application Security, Burp Suite

Industry

Information Technology/IT

Description

We are seeking a highly skilled Security Pentester with proven expertise in identifying, exploiting, and documenting vulnerabilities across networks, applications, and systems. The ideal candidate will hold an OSCP certification and possess strong hands-on experience with penetration testing tools, methodologies, and reporting.

REQUIRED QUALIFICATIONS

  • Bachelor’s degree in Computer Science, Information Security, or related field , or equivalent experience.
  • OSCP certification (mandatory).
  • 3–5 years of hands-on penetration testing experience.
  • Proficiency with penetration testing tools (Burp Suite, Metasploit, Nmap, Wireshark, Nessus, etc.).
  • Strong understanding of web application security , network protocols, operating systems, and cloud environments.
  • Knowledge of scripting languages (Python, Bash, PowerShell, etc.) for custom exploit development.
  • Excellent problem-solving and report writing skills.

PREFERRED QUALIFICATIONS

  • Additional certifications: OSWE, OSEP, GPEN, CEH, CREST CRT, or similar .
  • Experience with Red Team engagements .
  • Familiarity with DevSecOps and CI/CD security testing.
  • Understanding of threat intelligence and adversary simulation frameworks (MITRE ATT&CK).

SOFT SKILLS

  • Strong communication and presentation skills.
  • Ability to work independently and in a team.
  • Analytical and detail-oriented mindset.
  • Passionate about ethical hacking and continuous learning.
Responsibilities
  • Perform penetration testing on applications, networks, cloud, APIs, and systems to identify vulnerabilities.
  • Conduct vulnerability assessments and exploit proof-of-concepts (PoCs).
  • Develop and execute threat models and attack simulations.
  • Collaborate with development, infrastructure, and security teams to remediate identified vulnerabilities.
  • Prepare and deliver detailed reports including risk ratings, technical findings, and mitigation strategies.
  • Stay updated on the latest security threats, exploits, and industry trends.
  • Ensure compliance with industry standards (e.g., OWASP, NIST, ISO 27001, PCI DSS).
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