Senior Threat Detection Engineer — Cloud & AI Security

Grab; Petaling Jaya; On-site; MYR 180,000 - 240,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex benefits

Parental leave

Birthday leave

LASA volunteering leave

Grabber Assistance Program

FlexWork hours

Job summary

Grab in Malaysia is seeking a Security Engineer (Detection Engineering) to research and build new detection capabilities focusing on cloud, containerized services, and AI-related threats. This is a hands-on engineering role reporting to the Security Automation and Detection Engineering Manager, with collaboration across CSIRT, incident response, and platform teams.

This onsite role based in Petaling Jaya requires a degree in CS/SE/Security and 3+ years experience with AWS/Azure/GCP,

Qualifications

• A degree in Computer Science, Software Engineering, Cyber Security or related fields.
• Hands-on security response experience (e.g., SOC, DFIR, and security engineering) with incident investigation and remediation.
• 3+ years of experience with at least one cloud platform (Azure, AWS, GCP).
• Direct experience with SIEM, EDR and SOAR platforms in an operational environment.
• Coding skills in Python or Go for building detection logic and automation.
• Proficient in writing detection queries in SQL for large datasets.
• Experience tuning detection rules across multiple log sources (cloud, endpoint, network, identity, SaaS).
• Experience using AI tooling in security contexts.

Responsibilities

• Research new detections and translate attacker TTPs into detection opportunities.
• Build, test, and deploy detection logic across SIEM/EDR/SOAR with CI/CD.
• Prototype and validate detection logic using large-scale logs.
• Lead the detection lifecycle, tuning, and metrics.
• Triage alerts with CSIRT when required and provide incident guidance.
• Document detections and present results to Cyber Defence.

Skills

Python

Go

SQL

Threat Detection

Cloud Security

Security Operations

Incident Response

Education

Bachelor's degree in Computer Science / Software Engineering / Cyber Security

Tools

SIEM

EDR

SOAR

Azure

AWS

GCP

Job description

Grab in Malaysia is seeking a Security Engineer (Detection Engineering) to research and build new detection capabilities focusing on cloud, containerized services, and AI-related threats. This is a hands-on engineering role reporting to the Security Automation and Detection Engineering Manager, with collaboration across CSIRT, incident response, and platform teams.

This onsite role based in Petaling Jaya requires a degree in CS/SE/Security and 3+ years experience with AWS/Azure/GCP,