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About the role

We are seeking a talented and experienced Network Security Engineer to join our team at PT Sapta Tunas Teknologi. In this full-time, office-based role in Jakarta, you will be responsible for designing, implementing, and maintaining robust security solutions to protect our company's critical network infrastructure.

What you'll be doing

  • Design, implement, and maintain security infrastructure (on-premise and/or cloud).
  • Perform regular vulnerability scanning, penetration testing, and recommend actionable remediations.
  • Monitor, investigate, and respond to security incidents in real time
  • Develop and enforce comprehensive security policies, SOPs, and incident response playbooks.
  • Collaborate with infrastructure and development teams to ensure secure configurations and processes.
  • Continuously stay updated on the latest security threats, vulnerabilities, and emerging technologies.
  • Provide internal security consulting and contribute to risk assessments for new initiatives or systems.
  • Participate in security reviews, audits, and compliance processes.

What we're looking for

  • Experienced in cybersecurity: SOC, blue-team, DFIR, red-team, or security engineering.
  • Hands-on experience with SIEM and SOAR platforms (Splunk, Elastic, etc.).
  • Proficiency in triaging incidents, working with log sources, and creating detection rules/playbooks.
  • Familiarity with frameworks: MITRE ATT&CK, Cyber Kill Chain, NIST CSF.
  • Scripting capability (e.g., Python, Bash) to automate security operations or analyze data.
  • Experience with security across systems: network, firewall, EDR, WAF, OS, TI feeds, etc.
  • Willingness to work outside business hours, including weekends during migrations/integrations.
  • Must be based in or willing to relocate to Jakarta.

About us

PT Sapta Tunas Teknologi is a leading provider of IT solutions and services in Indonesia. With a strong focus on innovation and customer satisfaction, we have built a reputation for delivering cutting-edge technology solutions that drive business success. Our talented team of IT professionals is dedicated to helping our clients achieve their digital transformation goals and stay competitive in a rapidly changing market.

If you're excited about the prospect of joining our team and contributing to the growth of our organisation, we encourage you to apply now.