Senior Wintel Security Engineer / Infrastructure Security Enginee
Unison Group· Noresh
About this role
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
Frequently Asked Questions
Is the salary disclosed for the Senior Wintel Security Engineer / Infrastructure Security Enginee position at Unison Group?
The salary for this Senior Wintel Security Engineer / Infrastructure Security Enginee role at Unison Group is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Wintel Security Engineer / Infrastructure Security Enginee position at Unison Group located?
This Senior Wintel Security Engineer / Infrastructure Security Enginee role at Unison Group is based in Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Wintel Security Engineer / Infrastructure Security Enginee role at Unison Group full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Wintel Security Engineer / Infrastructure Security Enginee role in the Noresh department at Unison Group.
Which team or department does the Senior Wintel Security Engineer / Infrastructure Security Enginee at Unison Group belong to?
This Senior Wintel Security Engineer / Infrastructure Security Enginee position is part of the Noresh department at Unison Group. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Wintel Security Engineer / Infrastructure Security Enginee position at Unison Group?
Click the "Apply Now" button on this page. You will be redirected to Unison Group's official application portal hosted on workable where you can submit your application directly.
When was the Senior Wintel Security Engineer / Infrastructure Security Enginee job at Unison Group posted?
This Senior Wintel Security Engineer / Infrastructure Security Enginee position at Unison Group was posted on Jul 9, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Wintel Security Engineer / Infrastructure Security Enginee
Unison Group
You'll be redirected to Unison Group's official application page on workable.