Linux engineer Work, Jobs in London, Gtl (with Salaries)

Remote Linux Embedded / Systems Software Engineer - Audio & USB HID
Zenovo —London
- £60 an hour
- Full-time
- Remote
- Software troubleshooting
- Windows
- APIs
Quick apply
11d
Network Engineer (Linux Admin/ Cloud Architect/MCS)/
vServices —London
- Bachelor's degree
Linux System Engineers
CGI —London
- Full-time
- Linux
Quick apply
Associate Linux Support Engineer
Canonical —London
- Remote
- Bachelor's degree
- Travel
- Computer networking
- Employee assistance programme
Quick apply
Embedded Linux / Firmware Engineer
Fortaegis Technologies —London
- Engineering
- Master's degree
- Bachelor's degree
1d
Linux Desktop Support Engineer (London UK office)
Canonical —London
- Bachelor's degree
- Computer networking
- Linux
- Employee assistance programme
Quick apply
Linux Platform Engineer
Acturis —London
- Full-time
- Hybrid work
- Bachelor's degree
Quick apply
Systems Designer & Storage Engineer- NAS, SAN, NetApp, EMC Linux
vasulaces —London
Kernel Build Automation Engineer - Ubuntu Linux
Canonical —London
- Remote
- English
- JavaScript
- Software development
Quick apply
Systems: Senior Linux Infrastructure Engineer (London)
D. E. Shaw & Co., L.P. —London
- Computer Science
- Linux
- Communication skills
Embedded Software Engineer
DIGICO —Chessington
- Full-time
- Doctoral degree
- Schematics
- Software troubleshooting
Junior AI Applied Python Backend Engineer
Code X London —London
- £30,000 - £35,000 a year
- Full-time
- Azure
- Computer Science
- Engineering
- Free parking
- Gym membership
Quick apply
Linux Desktop Support Associate (London UK office)
Canonical —London
- Bachelor's degree
- Computer networking
- Linux
- Employee assistance programme
Quick apply
Staff Research Engineer, Scientific Computing and ML/Physics Infrastructure
Lila Sciences —London
- £224,000 - £294,000 a year
- Master's degree
- Machine learning
Quick apply
Senior Systems Engineer - Linux
Trayport —London
- Full-time
- Analysis skills
- Continuous improvement
- Scripting
14d
Software Engineer (Linux)
Proton AG —London
- Linux
- SDLC
Senior Linux Engineer
Synapri —London
- Hybrid work
- DevOps
- Maintenance
- Travel
3d
APPLICATION SOFTWARE ENGINEER
DIGICO —Chessington
- Full-time
- Microsoft Word
- Doctoral degree
- Software troubleshooting
FPGA Audio Engineer
DIGICO —Chessington
- Full-time
- Doctoral degree
- Engineering
- Master's degree
Infrastructure Operations Engineer
Lightning AI —London
- £160,000 - £200,000 a year
- Hybrid work
- Communication skills
- Annual leave
- Flexible schedule
Quick apply

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Remote Linux Embedded / Systems Software Engineer - Audio & USB HID

Zenovo
London

Quick apply

Job details

Full-time
£60 an hour
11 days ago

Qualifications

Technical troubleshooting
Software troubleshooting
Windows
Debian
C
Embedded software
APIs
Linux
Debugging

Full job description

Role Overview We need an experienced Linux Systems / Embedded Software Engineer to build a robust kiosk daemon that captures system audio, encodes it (Opus), packetises it into 64-byte HID packets, and streams it to a custom USB HID device.
The work involves porting an existing Windows implementation to Debian Linux while achieving full functional, audio-quality, latency and protocol parity.
Key Responsibilities

Set up the Debian build/test environment and create a production-ready systemd service that starts at boot and recovers from failures.
Analyse the existing Windows listener, extract portable C/C++ logic, and replace Windows-specific APIs with Linux equivalents.
Capture system audio from the default output using PipeWire or PulseAudio (WASAPI loopback equivalent), handle device hot-swap and idle/silent states with low CPU usage.
Encode audio (Opus), chunk into 64-byte HID packets, and implement the required notification/header protocol.
Enumerate the composite USB device, locate the correct HID interface, and communicate via hidraw or libusb.
Handle USB attach/detach, reconnect, write failures and buffer overruns robustly.
Implement the shared command protocol (no API changes) and provide matching stub handlers.
Deliver diagnostic logging with parity to the Windows tool (audio level, VID/PID, connection status, errors, etc.).
Perform side-by-side validation against the Windows version and Android reference app for audio quality, latency, framing and stability.

Essential Skills

Strong C/C++ systems programming
Proven Linux/Debian daemon or service development
Practical experience with systemd
Linux audio (PipeWire, PulseAudio or ALSA)
USB device communication (USB HID, hidraw, libusb, composite devices, hot-plug handling)
Real-time or near-real-time audio/data streaming
Familiarity with Opus or similar low-latency codecs
Ability to debug across application, OS, audio and USB boundaries
Experience analysing and porting Windows code to Linux

Desirable

Embedded Linux
BLE / DA14531 or similar
Custom USB HID protocols
Kiosk / unattended system experience
Windows-to-Linux ports
Audio latency and codec pipeline debugging

Deliverables A production-ready Linux daemon that builds on the target Debian platform, captures and encodes audio, streams correctly framed HID packets, handles device reconnects, runs as a reliable systemd service, and matches the Windows implementation on quality, latency and behaviour.
Client Dependencies Target hardware, Debian version, Windows source, USB descriptors, protocol docs, Android sample app and reference devices will be supplied before the relevant work begins.
This is a hands-on systems role for an engineer who thrives on integrating audio, USB and Linux services into a reliable unattended solution.

Quick apply

Refine Your Search

linux engineer jobs in london, gtl

Remote Linux Embedded / Systems Software Engineer - Audio & USB HID

Network Engineer (Linux Admin/ Cloud Architect/MCS)/

Linux System Engineers

Associate Linux Support Engineer

Embedded Linux / Firmware Engineer

Linux Desktop Support Engineer (London UK office)

Linux Platform Engineer

Systems Designer & Storage Engineer- NAS, SAN, NetApp, EMC Linux

Kernel Build Automation Engineer - Ubuntu Linux

Systems: Senior Linux Infrastructure Engineer (London)

Embedded Software Engineer

Junior AI Applied Python Backend Engineer

Linux Desktop Support Associate (London UK office)

Staff Research Engineer, Scientific Computing and ML/Physics Infrastructure

Senior Systems Engineer - Linux

Software Engineer (Linux)

Senior Linux Engineer

APPLICATION SOFTWARE ENGINEER

FPGA Audio Engineer

Infrastructure Operations Engineer

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