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Senior IT Security Engineer @ GXS

Petaling Jaya (First Avenue)OnsiteFull-time
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About this role

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

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