On-Call Cybersecurity Engineer

Lux Horizon Technologies is a Singapore-based fintech. We're looking for a Cybersecurity Engineer available on an on-call basis to help secure our infrastructure, someone reachable 24/7 when we need them, not a full-time hire.

What you'd cover

• Manage endpoint security and devices via Microsoft Intune
• Maintain application control with Windows Defender Application Control (WDAC)
• Secure our Microsoft 365 and Entra ID environment
• Protect our Dell servers and support failover/BC/DR
• Optional: help align with MAS TRM expectations

What we're looking for

• Experience in cybersecurity or security engineering, ideally in fintech or a regulated environment
• Strong hands-on knowledge of Microsoft 365, Intune, and Entra ID
• Practical experience with WDAC / application allowlisting
• Familiarity with on-prem server security and BC/DR
• Comf...