Senior Wintel Security Engineer / Infrastructure Security Enginee

Unison Group (apply.workable.com) ยท Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia ยท First seen 2026-11-06

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  • Full-time
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From the posting
employment types
ATS employment type: full_time
locations
ATS location: Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia

Job description

Senior Wintel Security Engineer / Infrastructure Security Engineer Location: Malaysia Experience: 8+ Years

Job Summary We are seeking an experienced Senior Wintel Security Engineer to strengthen and secure enterprise Windows and network infrastructure. The ideal candidate will have extensive experience in Windows Server Administration, Active Directory, vulnerability remediation, PowerShell automation, and network security. The role involves leading remediation activities, implementing security best practices, and ensuring compliance with enterprise security standards.

Key Responsibilities

- Lead vulnerability assessment and remediation across enterprise infrastructure.

- Harden Windows Servers using Microsoft security best practices.

- Configure and manage Group Policies (GPO).

- Implement Windows Defender and Firewall security configurations.

- Secure Cisco, Juniper, and Palo Alto network devices.

- Perform vulnerability remediation using Nessus and Qualys reports.

- Develop automation scripts using PowerShell.

- Monitor infrastructure using SIEM tools.

- Support incident response and security investigations.

- Perform patch management and system hardening.

- Ensure compliance with CIS, NIST, DISA STIG, PCI-DSS, and HIPAA standards.

- Mentor junior engineers and provide technical leadership.

- Prepare technical documentation and standard operating procedures (SOPs).

Mandatory Technical Skills Windows Infrastructure

- Windows Server 2016/2019/2022

- Active Directory

- Group Policy (GPO)

- Windows Defender

- Windows Firewall

Security

- Vulnerability Assessment

- Vulnerability Remediation

- Nessus

- Qualys

- Security Hardening

Networking

- TCP/IP

- VLAN

- VPN

- Routing

- Cisco

- Juniper

- Palo Alto

Automation

- PowerShell

- Python (preferred)

Monitoring

- SIEM

- Incident Response

Preferred Skills

- AWS

- Azure

- CrowdStrike

- McAfee

- Splunk

- QRadar

- SCCM

- WSUS

- Hybrid Cloud

- Secure Architecture Design

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