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# Linux Systems Software Developer

- **Company:** ECM Selection Limited
- **Location:** Cambridge, UK
- **Salary:** £75,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), C++ (Programming Language), Cyber Security, Linux, Hypervisor, Linux Kernel, Open Systems Interconnection (OSI), Public Key Infrastructure, TCP/IP, UML, Virtualization Technology, Yocto
- **Published:** August 24, 2026
- **Apply:** https://www.ecmselection.co.uk/register/27209

## About the Role

In addition to a bachelor's degree in computer science or similar, you will need:

 * Excellent programming experience in C/C++
 * Good practical knowledge developing for User-mode Linux (UML)
 * Understanding of public key infrastructure (PKI) and other uses of cryptography
 * Understanding of the OSI network model, especially the TCP/IP protocols

Additional knowledge or experience in any of the following would be beneficial but is not required: Linux kernel development, the Yocto Project, x86-64 architecture, and Trusted Platform Modules (TPM).

## Description

This innovative R&D team work on endpoint software security products utilising hardware assisted virtualization technologies. Some of their products exist in the hands of millions of users around the world and others remain internal research projects. In this role you will be designing and developing new features and products as well as providing maintenance and support for existing code. This includes introducing new security algorithms, improving performance, writing unit and automated tests, and fixing security vulnerabilities. Code is predominantly written in C and C++ and mainly targets the Linux operating system although there is some crossover with projects targeting Windows.


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