151 to 175 of 204 Linux Jobs in London

API-driven integrations to AI experimentation - helping to shape a modern, secure, and scalable technology environment. You’ll operate in a multi-platform environment: Windows is predominant, but production Linux systems are crucial to the role. Backend Integration Developer Key Skills – what we’re looking for You don’t need to have “Backend Integration Developer” on your CV to be … a great fit. If you’ve worked in backend development, software engineering, or API management — and you’re confident with modern PHP and Linux — we’d love to hear from you. Essential: * Strong skills in backend development and systems integration. * Modern PHP (v8+) experience, ideally including PHP 8.2+ or above. * Proficiency in Linux server environments, with Windows server familiarity. * Experience … visible impact. * Develop, integrate, and maintain APIs across multiple platforms and services. * Write and optimise backend code, with a focus on PHP and automation scripts. * Support server infrastructure across Linux (production) and Windows (development and other services) environments. * Improve deployment workflows, CI/CD pipelines, and automated testing. * Contribute to AI-related projects and innovation initiatives. * Enhance search functionality and More ❯

IDAM Application Developer (Inside IR35) Are you an experienced Application Developer looking for a long term contract? We are partnered with a government organisation looking for an IDAM Application Developer to join a key function supporting existing and incoming IDAM More ❯

DO DAY-TO-DAY: Platform Engineering designs and maintains the firm's operating systems, authentication systems, databases, virtualization infrastructure, core network services, and messaging and endpoints on Windows and Linux in both our internal- and external-facing environments. This engineer will be tasked with the design, implementation, and integration of infrastructure systems, particularly-though not exclusively-on Windows-based systems. … ProcMon). Experience with common Windows Server applications and management tools (e.g., Exchange, SQL, SCCM, Hyper-V, and ADFS, etc.) is also preferred. • A working knowledge of network protocols, Linux, and information security concepts is required. Experience integrating systems across on-premises and cloud-based environments (e.g., Azure, AWS, and GCP) and working with containers on Windows and Linux is More ❯

obstacles and is driven to succeed Works well under pressure to meet deadlines Rapid adaptability in terms of technology and approach are key Desirable Skills and Technologies: Either strong Linux sys admin and KVM skills or VMware - ESX, vCentre, Clustering, HA, DRS, vRealize, Update Manager, hardening, storage integration, deep trouble shooting A proven track record in technical computing-based environments … A deep understanding of Linux and its broader eco system Deployment automation technologies The ability to code, especially Infrastructure as code Network design, implementation, and administration A track record in the design and application of systems, leveraging automation technologies A deep understanding of Virtualisation and Container technologies Design of large, complex systems including practical experimentation and development skills Has both … Knowledge or appreciation of some the listed technologies; Foreman; Puppet; Satellite; Ansible; Nagios; AI/ML; Big Data; Elastic Search; IaaS; PaaS; HPC; DevOps; AWS; Azure; Kubernetes, Docker, OpenShift; Linux based applications What we will do for you: Competitive compensation Pension scheme DXC Select Our comprehensive benefits package (includes private health/medical insurance, childcare vouchers, gym membership and more More ❯

with engineering teams in line with Agile/scrum Software Development Life Cycle (SDLC) methodology, translating business requirements into stories and epics. Broad knowledge of IT including Windows/Linux and general networking Good understanding of networking (TCP and UDP) and multicast data delivery Good understanding of distributed server architectures running on Linux Highly Desirable Skills Understanding of ultra-low More ❯

My Client a Financial Services Start up is looking for a Linux Administrator role to join their team. You'll be joining a small, high-performing team where you'll have real ownership and visibility across the platform. Role requirements: 3-5 years of Linux system administration experience (RHEL, CentOS, Ubuntu). Solid network administration skills - eg. configuring routers, firewalls More ❯

My Client a Financial Services Start up is looking for a Linux Administrator role to join their team. You'll be joining a small, high-performing team where you'll have real ownership and visibility across the platform. Role requirements: 3-5 years of Linux system administration experience (RHEL, CentOS, Ubuntu). Solid network administration skills - eg. configuring routers, firewalls More ❯

An opportunity for an experienced OpenShift Engineer to join a leading technology programme, focusing on the deployment, configuration, and lifecycle management of Red Hat OpenShift clusters . The role involves leveraging automation and CI/CD workflows to deliver secure More ❯

Ansible. • Growth Mindset: Self-driven attitude towards learning new skills and aiding the development of others. • OS Administration: System administration skills, across an array of operating systems such as linux, windows etc. • Automation: Fundamental understanding of at least one approach to network automation, such as Python or Ansible, as well as a familiarity with CI/CD orchestration. Desired • Linux … Administration: Linux system administration skills, with a focus on performance optimisation, security, and automation. • Vendor Hardware Expertise: Hands-on experience with hardware from leading vendors such as Huawei, Ciena and Nokia. • Awareness of virtualised environments: Virtual machines & containerisation • Awareness of CI/CD: Appreciation of the principles and benefits • 10% on target bonus • BT Pension scheme, minimum 5% Employee contribution More ❯

C++ Developer with extensive software engineering experience within highly regulated and complex tech environments. Must have up to date C++ skills under Linux with experience of event driven distributed messaging, good knowledge of financial markets and trade cycle. By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice More ❯

C++ Software Engineer working on strategic enhancements and involved with all phases of the development and trading life cycle. Must have up to date C++ under Linux and be highly numerate, working in a small agile focused development team. By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy More ❯

A well-established software business is seeking an experienced Linux Systems Administrator to join its team based in London. As the business embraces flexibility, you will be able to work from home up to 2 days per week. Reporting into the IT Director, you will be responsible for the maintenance, performance and security of Linux-based systems across a multi … site environment. You will manage critical infrastructure including AWS services, firewalls and severs and drive process automation through scripting. You will be a key player in optimising Linux servers and delivering first class AWS solutions. In order to be suitable for this role, you must have demonstrable experience configuring, supporting and enhancing Linux systems. You will be comfortable with network … security, cloud infrastructure (AWS) and automation. You will hold in-depth knowledge of Linux distributions (RedHat, CentOS, Debian), have advanced Bash or Terraform scripting experience and strong hands-on experience of managing AWS cloud services. Relevant certifications including AWS Certified SysOps Administrator, RedHat Certified Engineer are advantageous to your application but by no means necessary. This is a fantastic opportunity More ❯

A well-established software business is seeking an experienced Linux Systems Administrator to join its team based in London. As the business embraces flexibility, you will be able to work from home up to 2 days per week. Reporting into the IT Director, you will be responsible for the maintenance, performance and security of Linux-based systems across a multi … site environment. You will manage critical infrastructure including AWS services, firewalls and severs and drive process automation through scripting. You will be a key player in optimising Linux servers and delivering first class AWS solutions. In order to be suitable for this role, you must have demonstrable experience configuring, supporting and enhancing Linux systems. You will be comfortable with network … security, cloud infrastructure (AWS) and automation. You will hold in-depth knowledge of Linux distributions (RedHat, CentOS, Debian), have advanced Bash or Terraform scripting experience and strong hands-on experience of managing AWS cloud services. Relevant certifications including AWS Certified SysOps Administrator, RedHat Certified Engineer are advantageous to your application but by no means necessary. This is a fantastic opportunity More ❯

Platform Engineer (Cloud Linux) London/WFH to £120k Are you an infrastructure technologist with experience as a Platform, DevOps or SRE? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Platform Engineer you will join a small team responsible for the 24x7x365 globally distributed ethical web scraping … DevOps Engineer or SRE You have strong bash or Python scripting skills You have multi-cloud experience (AWS and/or Azure preferred) You have a strong knowledge of Linux You're collaborative and pragmatic with great communication skills You hold a technical degree What's in it for you: As a Platform Engineer you will receive a competitive package … Salary to £120k Bonus (c50% of base) Pension Hybrid working Career progression Apply now to find out more about this Platform Engineer (Cloud Linux) opportunity. Ref: PR/100229/A/KS At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Platform Engineer (Cloud Linux) London/WFH to £120k Are you an infrastructure technologist with experience as a Platform, DevOps or SRE? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Platform Engineer you will join a small team responsible for the 24x7x365 globally distributed ethical web scraping … DevOps Engineer or SRE You have strong bash or Python scripting skills You have multi-cloud experience (AWS and/or Azure preferred) You have a strong knowledge of Linux You're collaborative and pragmatic with great communication skills You hold a technical degree What's in it for you: As a Platform Engineer you will receive a competitive package … Salary to £120k Bonus (c50% of base) Pension Hybrid working Career progression Apply now to find out more about this Platform Engineer (Cloud Linux) opportunity. Ref: PR/100229/A/KS At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

technical content that aligns to and is relevant to employers and the market Gain an Azure Fundamentals Qualification and a Microsoft 365 fundamentals qualification Get an introduction to Windows, Linux and PowerShell Tools and technologies learned: Learners will learn to use Microsoft Azure, Microsoft 365, Windows 10, AWS, Linux, PowerShell. Once you have successfully completed the apprenticeship, there will be More ❯

This is a great opportunity to join a collaborative team focused on innovation, automation, and continual improvement. Key Responsibilities: Provide first and second-line technical support for Unix/Linux systems. Monitor system performance and ensure smooth functionality. Maintain documentation and support compliance with policies and standards. Contribute to service improvement initiatives. What You'll Bring: Strong organisational and time … management skills. Familiarity with ITIL best practices. A proactive mindset and problem-solving approach. Willingness to share knowledge and learn from others. Desirable Skills: Experience with UNIX/Linux (Red Hat, Debian, Solaris, AIX). Shell scripting (Bash, KornShell). Infrastructure as Code tools (Ansible, Terraform, Puppet, Chef). Networking fundamentals and filesystem management. Exposure to AWS, automation tools, and More ❯

in Kotlin, including the Corda Regression Automation Framework for Testing (CRAFT). Platforms: Deep experience with blockchain platforms, specifically Corda (private DLT) and Solana (public blockchain). Tools & Environment: Linux, shell scripting, TCP/IP networking, cloud-based test execution environments, and UI test automation tools for web applications. Skills and Qualifications: 6+ years of enterprise test engineering experience, combining … Experience working collaboratively in cross-disciplinary teams and engaging across organisational levels. Positive, can-do attitude focused on overcoming obstacles with creativity and teamwork. Preferred: Knowledge or experience with Linux, shell scripting, TCP/IP networking, or other scripting languages. Hands-on experience with Corda or other DLT/blockchain technologies, especially Solana. Familiarity with Kotlin and/or Rust. More ❯

C++ Developer - Low Latency, C++, FPGA, Linux, Market Data Systems, Order Entry Gateway Development, TCP/IP Protocols, Scripting Languages Role Overview: Join a high-performing low latency development team focusing on C++ components. The team specializes in delivering low-latency trading services using advanced technologies. Required Skills and Experience: Extensive C/C++ development experience Familiarity with financial markets … and order entry gateway development Knowledge of market data and Linux systems Scripting experience is a plus Interest in low latency development principles Understanding of TCP/IP protocols is advantageous London/Contract/Hybrid Working By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to More ❯

major transition project while maintaining stability and compliance across critical platforms. Key Responsibilities : Manage, maintain, and support Unified Communications platforms, including Skype for Business (on-premises), Microsoft Teams, Mattermost (Linux-based), and Symphony. Troubleshoot and resolve critical escalations, acting as a 3rd line subject matter expert. Deliver production changes, infrastructure deployments, and proactive service improvements. Support monitoring, performance optimisation, and … on-call rota (including nights and weekends). Skills & Experience Required : Strong experience with Microsoft Lync/Skype for Business (on-premises) and Microsoft Teams. Strong experience with Mattermost (Linux-based) and Symphony. Strong Linux and PowerShell scripting skills. Knowledge of Smarsh (vendor) and Vantage (archiving/scanning tool) is highly desirable. Strong understanding of server-based platforms, Active Directory More ❯

major transition project while maintaining stability and compliance across critical platforms. Key Responsibilities : Manage, maintain, and support Unified Communications platforms, including Skype for Business (on-premises), Microsoft Teams, Mattermost (Linux-based), and Symphony. Troubleshoot and resolve critical escalations, acting as a 3rd line subject matter expert. Deliver production changes, infrastructure deployments, and proactive service improvements. Support monitoring, performance optimisation, and … on-call rota (including nights and weekends). Skills & Experience Required : Strong experience with Microsoft Lync/Skype for Business (on-premises) and Microsoft Teams. Strong experience with Mattermost (Linux-based) and Symphony. Strong Linux and PowerShell scripting skills. Knowledge of Smarsh (vendor) and Vantage (archiving/scanning tool) is highly desirable. Strong understanding of server-based platforms, Active Directory More ❯

Position Summary We are looking for an experienced Systems Engineer with strong Linux and Kubernetes experience to join our Group Engineering - Systems team. You will help design, build and operate modern infrastructure platforms that support continually evolving applications and services. The role focuses on automation, continuous improvement and reliability of both on premises and public cloud environments. You’ll work … closely with software engineers, security teams, and platform stakeholders to provide robust, scalable and secure platforms based on Linux and Kubernetes. This is a hands-on, growth-oriented role offering the exposure to new technologies and opportunities in AI/ML, networking and security. Duties and Responsibilities Design, implement, and maintain reliable and scalable Linux-based platforms. Design, implement, and … an on-call rotation when required. Position Specifications Essential: Minimum experience 4-5 years in a similar role (DevOps, SRE or Platform engineering). Excellent, in-depth knowledge of Linux and associated technologies. Experience operating Kubernetes environments (self-managed and/or EKS). Experience deploying software using CI/CD and GitOps. Experience working with configuration management systems and More ❯

techniques ?? What We're Looking For: Deep understanding of systems-level programming (Java and/or Rust, C, C++) Experience with manual memory management , concurrency , and multithreading Familiarity with Linux internals , system calls, and networking Bonus points for experience with: Kernel bypass (Solarflare, DPDK) Building custom allocators or working in no_std environments Prior work in trading, real-time systems … or performance-sensitive environments (previous finance experience not crucial) ?? Tech Stack Highlights: Java, Rust, Linux, GitHub, CI/CD (CircleCI), Docker, TCP/UDP, Playwright (some teams), OpenOnload, AWS ?? The Offer: Base salary up to ~£130,000 depending on experience Hybrid working: 2-3 days/week in a London office Excellent benefits: pension, medical, 27+ days leave, bonus ?? Why More ❯

optimisations and kernel-bypass techniques ?? What We're Looking For: Deep understanding of systems-level programming (Rust, C, C++) Experience with manual memory management , concurrency , and multithreading Familiarity with Linux internals , system calls, and networking (e.g., epoll, io_uring) Bonus points for experience with: Kernel bypass (Solarflare, DPDK) Building custom allocators or working in no_std environments Prior work in … trading, real-time systems , or performance-sensitive environments (previous finance experience not crucial) ?? Tech Stack Highlights: Rust, Linux, GitHub, CI/CD (CircleCI), Docker, TCP/UDP, Playwright (some teams), OpenOnload, AWS ?? The Offer: Base salary up to ~£140,000 depending on experience Hybrid working: 2-3 days/week in a London office Excellent benefits: pension, medical, 27+ days More ❯

techniques What We're Looking For: Deep understanding of systems-level programming (Java and/or Rust, C, C++) Experience with manual memory management , concurrency , and multithreading Familiarity with Linux internals , system calls, and networking Bonus points for experience with: Kernel bypass (Solarflare, DPDK) Building custom allocators or working in no_std environments Prior work in trading, real-time systems … or performance-sensitive environments (previous finance experience not crucial) Tech Stack Highlights: Java, Rust, Linux, GitHub, CI/CD (CircleCI), Docker, TCP/UDP, Playwright (some teams), OpenOnload, AWS The Offer: Base salary up to ~£130,000 depending on experience Hybrid working: 2-3 days/week in a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why More ❯