Sr Security Engineer (Offensive)

GTN_IDN PT Global Tiket Network; Indonesia; On-site; IDR 750,000,000 - 1,200,000,000; Full time

Job summary

GTN_IDN PT Global Tiket Network seeks an offensive security expert to enhance security measures for over 50 million users. The ideal candidate will have at least 5 years in cybersecurity, strong proficiency in Python and Go, and hands-on experience with security technologies like Cloudflare.

Your role will involve developing automation scripts, conducting log analysis, and simulating attack scenarios to bolster overall security. If you're passionate about cybersecurity and looking to make a difference, we encourage you to apply.

Qualifications

• Minimum 5 years of experience in offensive security or related field.
• Strong hands-on experience with perimeter security technologies.
• Proficiency in script automation using Python, Go, Bash.

Responsibilities

• Conduct log analysis and present findings to stakeholders.
• Develop automation scripts and security tools using Python, Go, Bash.
• Collaborate with teams to remediate identified vulnerabilities.

Skills

Offensive security

Cybersecurity engineering

Network security

Python

Go

Bash

Security automation

Threat emulation

Tools

RESTful APIs

Cloudflare

Firewalls

Job description

We think you also hate when a travel app is giving you a headache, right? A slight misinformation can ruin the trip. That is exactly what we are tackling as t‑fam! Making sure that our 50+ million users have the best experience in crafting their own adventure.

Responsibilities

• Conduct log analysis and present findings to stakeholders.
• Develop automation scripts and security tools using Python, Go, Bash, or similar programming languages.
• Build and maintain security automation workflows, including the orchestration of security tools through RESTful APIs, to improve efficiency and support security pipelines.
• Collaborate with Infrastructure and Engineering teams to remediate identified vulnerabilities and strengthen overall security posture.
• Simulate advanced attack scenarios to identify and validate security weaknesses.
• Stay up to date with the latest offensive security techniques, tools, and threat landscape.

Mandatory Qualifications

• Minimum 5 years of experience in offensive security, cybersecurity engineering, network security, or a related cybersecurity field.
• Solid understanding of vulnerability assessment methodologies, exploitation techniques, and security testing tools.
• Proficiency in Python, Go, Bash, or other scripting languages, including experience integrating and automating workflows through RESTful APIs.
• Experience building or maintaining security automation solutions and orchestrating multiple security tools to support scalable security operations.
• Strong hands‑on experience with enterprise‑grade perimeter security technologies, including Cloudflare and firewall management.
• Experience in adversary simulation exercises is highly preferred.

Preferred Qualifications

• Experience conducting security assessments in cloud environments.
• Familiarity with threat emulation frameworks and attack simulation methodologies.
• Strong communication skills with the ability to clearly articulate findings and remediation recommendations to technical and non‑technical stakeholders.