Senior Windows Systems Architect & Automation Engineer

Ambition; Hong Kong; On-site; HKD 600,000 - 1,000,000; Full time

Job summary

Ambition is seeking an elite Windows Systems Engineer to own, optimize, and scale its core Windows infrastructure. You will dive deep into OS internals, ensuring a high-throughput, low-latency environment operates at peak reliability across a global footprint.

You will build centralized automation in PowerShell, Python, or C# and collaborate with global teams to plan deployments, troubleshoot deep-level failures, and maintain advanced infrastructure documentation.

Qualifications

• Deep expertise in Windows 10/11 and Windows Server (2016/2019/2022) internals.
• Thorough understanding of TCP/IP/UDP, NIC teaming, RSS, and interrupt moderation.
• Experience with Active Directory, Kerberos, DNS, Group Policy and OS-level troubleshooting.

Responsibilities

• Own and optimize Windows kernel behaviors for low latency workloads.
• Diagnose memory bottlenecks and manage virtual memory and paging.
• Manage Windows I/O subsystem, IRPs, and async vs sync I/O pipelines.

Skills

Windows Internals Mastery

Advanced Networking Stack

Windows Security Architecture

Core Services & Diagnostics

Hardware & Virtualization Tuning

Execution & Communication

Tools

PowerShell

Python

C#

Job description

Ambition is seeking an elite Windows Systems Engineer to own, optimize, and scale its core Windows infrastructure. You will dive deep into OS internals, ensuring a high-throughput, low-latency environment operates at peak reliability across a global footprint.

You will build centralized automation in PowerShell, Python, or C# and collaborate with global teams to plan deployments, troubleshoot deep-level failures, and maintain advanced infrastructure documentation.