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Security Engineer, Penetration Tester

Job in Jakarta, Jawa, Indonesia
Listing for: StraitsX Co
Full Time position
Listed on 2026-02-15
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security, Security Manager
Job Description & How to Apply Below
Position: Security Engineer, Penetration Tester New

We are looking for amid-level Security Engineer (Penetration Tester) to join our Security team in Jakarta, Indonesia. You will play a key role in strengthening our security posture by performing hands‑on penetration testing, identifying real‑world risks, and working closely with engineering teams to drive remediation. This role is ideal for someone who is technically strong, detail‑oriented, and eager to continuously sharpen their offensive security skills in a collaborative environment.

What

You Will Do
  • Plan and execute penetration tests across networks, systems, and web/mobile applications
  • Lead or independently handle penetration testing engagements from scoping to reporting
  • Analyze vulnerabilities, assess risk impact, and produce clear, actionable remediation recommendations
  • Collaborate with developers, infrastructure, and security teams to address findings throughout the SDLC
  • Support security incident response activities when required
  • Continuously research emerging threats, attack techniques, and testing methodologies
  • Contribute to improving internal penetration testing tools, playbooks, and processes
What We Are Looking For
  • Bachelor’s degree in Computer Science, Information Security, or a related technical field
  • Minimum 2 years of hands‑on experience in penetration testing or offensive security roles
  • Proven experience conducting penetration tests for web and mobile applications
  • Certification: OSCP or CREST (or equivalent recognized offensive security cert)
  • Strong proficiency with tools such as Burp Suite, Metasploit, Nmap, and Wireshark
  • Solid understanding of security standards and frameworks (OWASP Top 10, NIST, CIS)
  • Strong analytical skills with the ability to clearly explain security risks to technical and non-technical stakeholders
  • Experience with secure coding practices, code review, or SAST/DAST tools is a plus
  • Familiarity with cloud security concepts (AWS, GCP, or Azure) is a plus
  • Experience with CTF competitions, bug bounty triage, or vulnerability disclosure programs is a plus

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