Security Engineer - Microsoft

Sydney, NSW (Hybrid)

Initial 6-Month Contract

Join a high-profile enterprise security program and help shape the future of endpoint security.

We're seeking a Security Engineer with hands-on experience in Microsoft App Control for Business (WDAC/ACFB), AppLocker, Intune, and PowerShell to lead application allowlisting and endpoint protection initiatives.

Key Responsibilities

- Design and manage WDAC/ACFB policies and supplemental policies
- Investigate and resolve application block events and compatibility issues
- Create and manage security catalog (.cat) files
- Monitor and analyse App Control, AppLocker, and Defender XDR logs
- Deploy policies via Intune, Group Policy, and MECM/SCCM
- Develop KQL queries, dashboards, and security reporting

Required Skills
- Microsoft App Control for Business (WDAC/ACFB)
- AppLocker
- PowerShell Scripting
- Microsoft Intune
- Windows Security & Code Integrity
- SIEM / Microsoft Sentinel
- Defender XDR & KQL
- PKI & Code Signing

Nice to Have
- Security Catalog (.cat) management
- SC-200, AZ-500, SC-300, or Security
- Experience with Secure Boot, TPM, VBS, and HVCI




- If you're passionate about endpoint security and want to work on a large-scale Microsoft security environment, we'd love to hear from you.

Join our growing global team and accelerate your career with us. Apply today.

For more information about this or other opportunities, please contact Shipra Aggarwal. Please quote our job reference number 679073.

About us

NTT Ltd. is a global ICT provider, employing more than 40,000 people in a diverse and dynamic workplace, and delivering services in over 200 countries and regions. We partner with organizations around the world to shape and achieve outcomes through intelligent technology solutions. For us, intelligent means data driven, connected, digital, and secure.

NTT is proud to be an equal opportunity employer with a global culture that embraces diversity. We are committed to providing an setting free of unfair discrimination and harassment. We do not discriminate based on age, race, color, sex, religion, national origin, disability, pregnancy, marital status, sexual orientation, gender reassignment, veteran status, or other protected category.

📌 Security Engineer Microsoft (Sydney)
🏢 Ntt
📍 Sydney