Security Engineer, Penetration Tester

About The Role

We are looking for a mid-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 Ability to script or automate using Python, Golang, Ruby, or JavaScript 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