76 to 100 of 147 Linux Jobs in the City of London

setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity with SQL databases and Linux-based systems. Interest in financial markets, real-time systems, or algorithmic trading. Why Apply? Opportunity to work on high-impact systems used in live trading. Collaborate with some of the More ❯

hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C/C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi-Fi), and familiarity with protocols like More ❯

hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C/C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi-Fi), and familiarity with protocols like More ❯

hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C/C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi-Fi), and familiarity with protocols like More ❯

s core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day If you are an experienced professional with More ❯

one backend language, ideally Python. Proven ability to deliver high-quality UX/UI experiences. Passion for engaging with all aspects of fixed income and macro trading. Proficiency in Linux environments and cloud technologies. Excellent communication skills, both written and verbal. More ❯

one backend language, ideally Python. Proven ability to deliver high-quality UX/UI experiences. Passion for engaging with all aspects of fixed income and macro trading. Proficiency in Linux environments and cloud technologies. Excellent communication skills, both written and verbal. More ❯

level designs and coordinating large-scale security implementations Knowledge of IGA (e.g., RSA IGL), email and proxy security, virtualization (VMware, Nutanix), and CyberArk Strong technical skills in SQL, Oracle, Linux, PowerShell, AD, LDAP, and API integrations (REST/SOAP, Ansible) Familiarity with CIS compliance, system hardening, and automation tools. Desirable: Experience with SaaS migrations, cloud-native security, and DevSecOps practices More ❯

Lead Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £130,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Lead Software Engineer with extensive knowledge of building distributed systems? Looking to join a company who are solving genuine problems that disrupt an industry? Interested in More ❯

level designs and coordinating large-scale security implementations Knowledge of IGA (e.g., RSA IGL), email and proxy security, virtualization (VMware, Nutanix), and CyberArk Strong technical skills in SQL, Oracle, Linux, PowerShell, AD, LDAP, and API integrations (REST/SOAP, Ansible) Familiarity with CIS compliance, system hardening, and automation tools. Desirable: Experience with SaaS migrations, cloud-native security, and DevSecOps practices More ❯

Lead Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £130,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Lead Software Engineer with extensive knowledge of building distributed systems? Looking to join a company who are solving genuine problems that disrupt an industry? Interested in More ❯

clients on best practices. Contribute to pre-sales support and technical discussions. What we’re looking for ✅ 2+ years’ experience in technical or client-facing roles. ✅ Strong knowledge of Linux command line & server administration . ✅ Fluent communication skills with the ability to engage technical clients. ✅ Experience with production support environments . ✅ Analytical and problem-solving skills (debugging/log files More ❯

deploying OpenShift in disconnected/on-prem environments . Proven experience with ACM and ACS , including multi-cluster management and security policy enforcement. Strong understanding of Red Hat Enterprise Linux (RHEL) and Kubernetes fundamentals. Experience with offline updates, mirrored repositories, and operator management. Excellent problem-solving and troubleshooting skills. Desirable: Experience with OpenShift Operators, Helm charts, and automation tools (Ansible More ❯

clients on best practices. Contribute to pre-sales support and technical discussions. What we’re looking for ✅ 2+ years’ experience in technical or client-facing roles. ✅ Strong knowledge of Linux command line & server administration . ✅ Fluent communication skills with the ability to engage technical clients. ✅ Experience with production support environments . ✅ Analytical and problem-solving skills (debugging/log files More ❯

quality checks to ensure accuracy, consistency, and coverage. Requirements: 1-3 years' experience as a Data Engineer, ideally from Big Tech or finance. Advanced Python skills, including pandas and Linux proficiency. Experience with and knowledge of SQL, Experience with ETL pipelines and data lifecycle management. Familiarity with AWS cloud infrastructure. Ability to start within 3 months (notice and non-compete More ❯

attention to detail Excellent communication and teamwork Must-Haves Mobile development experience (React Native/Cordova/Expo) Familiarity with AI frameworks (OpenAI, Claude, or AWS Bedrock) Apache, Nginx, Linux experience UX/UI design knowledge Product management experience Bachelor’s degree in Computer Science (Master’s a plus) Qualities We Value Customer obsession – putting user experience at the center More ❯

attention to detail Excellent communication and teamwork Must-Haves Mobile development experience (React Native/Cordova/Expo) Familiarity with AI frameworks (OpenAI, Claude, or AWS Bedrock) Apache, Nginx, Linux experience UX/UI design knowledge Product management experience Bachelor’s degree in Computer Science (Master’s a plus) Qualities We Value Customer obsession – putting user experience at the center More ❯

beyond technical considerations such as business and client priorities. · A track record of delivering and meeting deadlines. · Excellent written and verbal communication skills . · Proficiency in Python, C++, Paraview, Linux, LaTeX, Git. · Experience in deriving partial differential equations, developing implicit solvers (for thermo-hydro-mechanical and chemical coupled physics). · Experience in developing finite element, finite volume and finite difference More ❯

beyond technical considerations such as business and client priorities. · A track record of delivering and meeting deadlines. · Excellent written and verbal communication skills . · Proficiency in Python, C++, Paraview, Linux, LaTeX, Git. · Experience in deriving partial differential equations, developing implicit solvers (for thermo-hydro-mechanical and chemical coupled physics). · Experience in developing finite element, finite volume and finite difference More ❯

in offensive tools (Cobalt Strike, Sliver, Metasploit, etc.) and custom payload development Experience with evasion techniques (e.g., AV/EDR bypass, obfuscation, DLL sideloading) Good knowledge of Windows and Linux internals, AD exploitation, and cloud environments (Azure, AWS) Comfort working both independently and collaboratively on stealth operations Relevant certifications (OSCP, CRTO, OSEP, OSCE3, or similar) a plus More ❯

to build robust, test-driven, functional applications Hands-on knowledge of Typelevel frameworks, including Cats, Cats Effect, http4s, and fs2 Experience with SQL and NoSQL databases Comfortable working in Linux environments Experience working within Fintech (desirable not essential) Experience with tools like Confluence, JIRA, and Kanban methodology Interview process: 1 - 30 minute HR Interview 2 - Technical assessment completed at home More ❯

ownership of global end-user and customer support. What You’ll Be Doing: Delivering 1st, 2nd, and 3rd line support across a dynamic tech stack Supporting both Windows and Linux environments Leading and contributing to project work including system deployments and infrastructure changes Providing support for internal applications used by teams across the business What We’re Looking For: 3+ More ❯

to build robust, test-driven, functional applications Hands-on knowledge of Typelevel frameworks, including Cats, Cats Effect, http4s, and fs2 Experience with SQL and NoSQL databases Comfortable working in Linux environments Experience working within Fintech (desirable not essential) Experience with tools like Confluence, JIRA, and Kanban methodology Interview process: 1 - 30 minute HR Interview 2 - Technical assessment completed at home More ❯

ownership of global end-user and customer support. What You’ll Be Doing: Delivering 1st, 2nd, and 3rd line support across a dynamic tech stack Supporting both Windows and Linux environments Leading and contributing to project work including system deployments and infrastructure changes Providing support for internal applications used by teams across the business What We’re Looking For: 3+ More ❯

skills, including data analysis with Pandas Advanced SQL proficiency (PostgreSQL or equivalent) managing large-scale datasets Solid understanding of market data sources (Bloomberg, Refinitiv/Reuters, etc.) Experience with Linux system administration in a low-latency or real-time environment Prior exposure to electronic trading systems or market making operations is highly advantageous Excellent communication skills and the ability to More ❯