16 of 16 Permanent Senior Linux Engineer Jobs in London

Embedded Linux Senior Software Engineer - Optimisation Home based - Worldwide Work across the full Linux stack from kernel through GUI to optimise Ubuntu, the world’s most widely used Linux desktop and server, for the latest silicon. The role is a fast-paced, problem-solving role that’s challenging yet very exciting. The right candidate must … are looking for in you You love technology and working with brilliant people You have a Bachelor’s degree in Computer Science, STEM or similar You have experience with Linux packaging (Debian, RPM, Yocto) You have experience working with open source communities and licences You have experience working with C, C++ You can work in a globally distributed team More ❯

applicants £65-80K - Full-time - London/Hybrid IONATE is a deep technology start-up building the technology backbone for smart grids. Our team is looking for a Senior Embedded Software Engineer who will be responsible for developing and implementing real time software, taking concepts through to commercial product for customers. £65-80K - Full-time - London …/Hybrid IONATE is a deep technology start-up building the technology backbone for smart grids. Our team is looking for a Senior Embedded Software Engineer who will be responsible for developing and implementing real time software, taking concepts through to commercial product for customers. Requiring extensive knowledge and experience in embedded software development, this position will involve … projects on time, with ambitious product goals Documentation Create and maintain documentation such as requirements and specification documents, testing reports and product manuals Requirements What you will need: Embedded Linux Expertise Experience using/developing/working with embedded Linux Extensive industry experience in software design for embedded Linux platforms Extensive experience in building and bringing up More ❯

Senior C++ Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and … for their clients. This is an exciting opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a C++ Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the cutting-edge platform. Not only can you take … join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ development experience on Linux or UNIX, C++14 and above You have good SQL skills You're a passionate technologist who is motivated by working on cutting-edge systems and engineering complex solutions You More ❯

Senior C++ Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and … for their clients. This is an exciting opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a C++ Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of the cutting-edge platform. Not only can you take … join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ development experience on Linux or UNIX, C++14 and above You have good SQL skills You're a passionate technologist who is motivated by working on cutting-edge systems and engineering complex solutions You More ❯

Senior Embedded Linux Engineer with strong skills in embedded linux/kernel development, bootloader and device driver development, is required by a world-leading, high end customer centric device company to play a senior role in their new London tech hub based close to London Paddington, and join a pan European embedded software engineering team … customer product/device centric focus. Salary Market Leading + Plus Strong Pension, Health Benefits, and 30 Days Holiday. (Let's discuss your skills, experience and situation) The embedded Linux engineer will take the lead in developing their Linux kernel, custom Embedded Linux distribution, and bootloaders, while also having an impact on the entire physical product … used by millions of customers, working as part of a cross-functional team. The Senior Embedded Linux Engineer is a hybrid role and will ideally be based in the office 2/3 days per week. However, there might be some flexibility for those with outstanding embedded Linux skills and strong kernel development to work more More ❯

Social network you want to login/join with: Senior Linux Engineer – Trading House, London Client: Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Reference: e72e26407a92 Job Views: 4 Posted: 29.06.2025 Expiry Date: 13.08.2025 Job Description: Posted by Financial Markets Change & Technology Recruiter A financial trading house is optimizing their Linux infrastructure and is looking for a highly experienced Linux Engineer to play a key role in systems engineering and integration for the infrastructure design, build, and implementation. You will need deep knowledge of Linux build, integration, and engineering, with secondary expertise in high-performance computing, storage, or networking, as well as a strong understanding of contemporary … role if you are/have: 15+ years of systems, infrastructure, and/or platform engineering experience in financial markets or other critical environments Deep understanding of Unix/Linux systems engineering down to Kernel level, for high performance/low latency requirements Strong systems design and optimization, low latency tuning, and/or GPU processing Strong automation and More ❯

Are you an Embedded Linux Engineer with a passion for cutting-edge Linux kernels and boot loaders for innovative consumer products? Then we have the opportunity for you! About the role As a Senior Embedded Linux Engineer at reMarkable, your main focus will be geared towards developing and maintaining our Linux kernel, boot … Bring-up of new electrical devices and prototypes, getting them to work and integrating them into our embedded environment. Development of user-space software for Codex, our custom embedded Linux distribution. Build automation systems, testing and validate electronics, ensuring compliance with reMarkable’s requirements and industry standards. Researching and evaluating electronic components both from a hardware and software perspective. … We are looking for the following experience Proven expertise with Linux kernel development, preferably with recent kernel versions. Vast experience with embedded systems and a solid understanding of operating systems. Proficiency in C++. Rust or other system programming languages is beneficial. Familiarity with embedded bootloaders such as (Das) U-Boot, preferably on ARM based systems. Skilful at debugging and More ❯

Job Description You will have deep knowledge of Linux build, integration, and engineering, with secondary expertise in high-performance computing, storage, or networking, as well as a strong understanding of contemporary containerized, infrastructure-as-code technologies, to play a key role in the build of a sophisticated, highly performant, and highly optimized infrastructure. You should apply for this role … if you are/have: 15+ years of systems, infrastructure and/or platform engineering in financial markets or other critical environments Deep understanding of Unix/Linux systems engineering to Kernel level, for high performance/low latency requirements Strong systems design and optimization, low latency tuning and/or GPU processing Strong automation and/or containerization More ❯

Senior Linux System Engineer - London, London Client: IO TECH SOLUTIONS LIMITED Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Reference: 75b2f800e2d1 Job Views: 47 Posted: 22.06.2025 Expiry Date: 06.08.2025 Job Description: We are looking for a Senior System Engineer to join our client's London office. Team/Role: As … a Senior System Engineer, you will: Provide technical support for the production environment, ensuring system stability and performance. Optimize infrastructure architecture in cloud environments to achieve best-in-class network performance. Debug kernel-level performance issues and resolve production incidents in real time. Tackle complex network and Linux-related challenges. Required Skillset: Bachelors degree in Computer Science … Software Engineering, or a related technical discipline (or equivalent experience). 10+ years of experience supporting Linux production environments and working in cloud infrastructure . Strong knowledge of modern Linux systems and systems programming concepts (e.g., sockets, virtual memory, process lifecycle). Extensive hands-on experience with Terraform, Bash, and Python. Proven ability to estimate project work and More ❯

development tooling, high-performance computing, high performance networking and large-scale storage systems. The candidate will work directly with our research and trading teams with a primary focus on Linux-based systems. This includes, workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel … and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. Your present skillsets: As a senior engineer, you will partner closely with our research and other infrastructure engineering teams and work in a highly collaborative manner You will have 10+ years of experience in Linux systems administration and platform engineering, with a … proven track record of technical leadership Deep knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You will identify, troubleshoot, and resolve high-complexity system issues, optimizing system performance and reliability You will have deep knowledge of DevOps tooling including Terraform/Ansible and be able to demonstrate use More ❯

for how best to optimize the interaction between applications and OS interfaces. The team is composed of a set of engineers with expertise in eBPF and/or the Linux kernel and acts as a bridge between application development teams and the lower-level components of the OS by assisting with application performance profiling, benchmarking and certifying production-readiness … a rewarding experience you can explore with us. Build and evolve eBPF-based tools to enhance observability of the network and other operating system layers Improve Bloomberg's internal Linux kernel regression testing framework Contribute to upstream Linux kernel development and enhancement requests Investigate and resolve complex kernel and network performance issues in partnership with application teams Develop … deepen visibility into application behavior under various system loads Create internal documentation to support knowledge sharing and engineering best practices You'll need to have: Deep understanding of the Linux kernel including the virtual memory, VFS, IPC, network, and process scheduling subsystems Proven experience in system performance tuning-balancing low latency vs. throughput, NUMA optimization, and hardware/BIOS More ❯

Join to apply for the Senior Bootloader & System Engineer - Ubuntu Linux role at Canonical Continue with Google Continue with Google 2 weeks ago Be among the first 25 applicants Join to apply for the Senior Bootloader & System Engineer - Ubuntu Linux role at Canonical We are seeking an experienced software engineer passionate about Linux … expanding our Foundations team to focus our efforts on this essential function and are looking for people passionate about lower level technologies from the hardware, to the firmware, and Linux itself, involved in an operating system startup. Applicants should be comfortable working with Secure Boot, Measured Boot, Full Disk Encryption and other technologies used during modern operating systems boot … easy to use and highly reliable form. We build on the technical excellence of Debian and bring additional focus and shape to the solutions we offer industry. As a Linux System Engineer, you will work on the architecture, design and development of core components involved in the boot and startup of the Ubuntu Distribution, often interacting with the More ❯

Social network you want to login/join with: Senior Linux System Engineer/Administrator - Trading, London Client: East End Resources Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 08.05.2025 Expiry Date: 22.06.2025 Job Description: Our client is a mid-size financial services firm which is a Linux shop both on the server side and the trader desktops. The client has multiple locations; the London office is small, and you will be the sole Linux administrator. Some Windows administration skills are a plus but not strictly necessary. We interact directly with users and communicate frequently, so good communication skills are important. About the Role We are … for workstations and servers in our expanding trading operations. This role involves working on desktops and data centers, with frequent interaction across various organizational levels. Skills & Attributes: Fluency in Linux administration is essential Experience with Debian/Ubuntu preferred Ability to complete tasks independently and handle frequent context switches Scripting experience in bash and python preferred; SQL and Perl More ❯

Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Multiple locations - the London office is small and you will be the single Linux administrator. Some Windows administration skills are a plus but not strictly necessary. We face our users directly … to all systems work both on the desktops and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred Strong communication skills A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience scripting in More ❯

We seek a senior systems engineer with extensive Linux experience to join the Quant Systems team. This is a hands-on technical role within an engineering team responsible for high-performance trading and research infrastructure. It offers the opportunity to be part of an inclusive, collaborative, and engaging working environment. WHAT YOU'LL DO DAY-TO-DAY … storage for research and trading. You’ll have the opportunity to work on a wide variety of technology initiatives in a distributed computing environment with a primary focus on Linux-based systems. This includes, but is not limited to, workload scheduling design and implementation, fleet management, clustered file system design and operation, software design and life cycle (SDLC), kernel … WE'RE LOOKING FOR • A degree in computer science (or another technical discipline) is required, as is 10 to 20 years of comparable work experience. • In-depth knowledge of Linux-based operating systems and associated configuration management tools is required. • Development experience in Python is required. Experience with Rust, C, and Go is preferred but not required. • Applicants who More ❯

Social network you want to login/join with: Senior Engineer - Linux Boot Stack, London col-narrow-left Client: Canonical Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 9bae7b87339f Job Views: 4 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: We are seeking an experienced software engineer passionate about Linux systems, hardware architectures, Ubuntu, and the open source community, to join the Ubuntu Foundations Engineering team to maintain and enhance Ubuntu bootloader stack to provide fast, reliable and secure Ubuntu systems on all devices and in the cloud. The boot process is one of the most critical aspects of any operating system where stability, reliability … expanding our Foundations team to focus our efforts on this essential function and are looking for people passionate about lower level technologies from the hardware, to the firmware, and Linux itself, involved in an operating system startup. Applicants should be comfortable working with Secure Boot, Measured Boot, Full Disk Encryption and other technologies used during modern operating systems boot More ❯