Senior IT Security Engineer
TLDR
Lead implementation and management of endpoint security (EDR/XDR), IAM operations, and threat detection to strengthen enterprise security.
Responsibilities
Lead implementation and management of endpoint security platforms (EDR/XDR) including tuning, threat detection and response improvements
Work closely with SOC team to investigate alerts, respond to incidents and enhance detection rules and playbooks
Analyze and act on Indicators of Compromise (IoCs) using threat intelligence to proactively detect and mitigate threats
Manage and optimize DLP solutions to prevent data exfiltration across endpoints and platforms
Implement and maintain platform security controls including DNS security, web filtering and browser security hardening
Perform continuous endpoint hardening, vulnerability remediation and attack surface reduction
Monitor and respond to DDoS alerts and network-based threats, coordinating with infrastructure teams
Lead IAM platform operations including SailPoint IGA, PAM solutions and endpoint privilege management
Conduct access reviews and regulatory workflows for privileged users
Collaborate with risk, cybersecurity, IT and business teams to enforce RBAC and least-privilege access policies
Ensure security controls align with policies and regulatory requirements (e.g., BNM FinTips)
Support incident response activities including containment, eradication and recovery
Evaluate and implement new security tools, automation and improvements to enhance operational efficiency
Maintain technical documentation and operational procedures for security platforms
Requirements
Minimum 3–5 years of experience in cybersecurity engineering or operations
Hands-on experience with EDR/XDR platforms including detection tuning and incident handling
Strong experience with DLP, DNS security and endpoint/browser security controls
Experience working with SOC team, SIEM tools and threat intelligence feeds
Understanding of IoCs, attack techniques and threat hunting concepts
Familiarity with network security and DDoS mitigation
Experience in vulnerability management and endpoint hardening
Experience in IAM/IGA administration, privileged access or enterprise identity management
Hands-on experience with PAM solutions and endpoint privilege management is a plus
Ability to lead compliance programs, access review initiatives and IAM platform improvements
Basic scripting/automation skills (PowerShell, Python) is a plus
Strong analytical and problem-solving skills
GX Bank is Malaysia's first digital bank approved by Bank Negara Malaysia, designed specifically to serve unbanked and underserved Malaysians and MSMEs. Backed by Grab, we leverage advanced technology to create a more accessible and inclusive financial landscape, focusing on innovation and real impact.