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# Windows Systems Developer

- **Company:** ECM Selection Limited
- **Location:** Cambridge, UK
- **Salary:** £85,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, C++ (Programming Language), Open Systems Interconnection (OSI), Software Engineering, TCP/IP, Virtualization Technology, Linux Development, C++14
- **Published:** August 24, 2026
- **Apply:** https://www.ecmselection.co.uk/register/27167

## About the Role

* An understanding of modern operating systems' architecture, ideally for the Windows OS. Knowledge of isolation drivers (for security, for instance based around IO-MMU) would be particularly relevant.
 * An appreciation of virtualisation technologies at an OS level, including hardware-assisted virtualisation (for instance, Intel VT-x and/or AMD-V).
 * Hands on expertise with finding and solving performance issues in systems software, particularly in complex cases.

The following are also topics of interest: modern C++, Rust, NT architecture, Windows IoT and ARM, the Windows driver framework (WDM, perhaps KMDF), display drivers (WDDM), network drivers (NDIS) and filters (WFP), Linux development (kernel and user mode), and OSI networking including TCP/IP.

## Description

* Skills developing system-level software in C and Intel (x86) assembler.


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