76 to 100 of 122 Linux Engineer Jobs in London

National Physical Laboratory (NPL) in the United Kingdom seeks a Senior Platform Engineer to lead Linux, tooling and security across enterprise platforms. The role focuses on automation, DevOps practices, PKI, and identity/security services, with travel to sites as required. Fixed-term 12-month contract, with emphasis ...

Purpose: We want smart people to join our close knit Linux development team. A genuine interest in product development is key as everyones contribution counts in our informal and open Agile working environment. Principle duties: Development and maintenance of Linux based operating systems Work on Linux Distros ...

Canonical is hiring a Software Maintenance Engineer to work on Linux-based infrastructure and applications, covering kernel, virtualization (KVM), containers (Docker/LXC/LXD), storage (Ceph), networking, OpenStack, Kubernetes, and related open source projects. The role is remote with teams across time zones and involves upstream ...

Leonardo is seeking a Linux Systems Engineer in London for hybrid working (office/remote). You will work at the intersection of Linux internals, networking and security to build secure endpoint solutions for high‐profile clients. You will develop and maintain Linux-based operating systems ...

media technology sector, it has launched a global expansion strategy with a focus on establishing a worldwide media industry standard. As a result, a Linux Systems Engineer is desired to come in and help build, maintain and support the infrastructure that provisions products across media, radio and advertising. … will work with the latest and best in this day and age, including Linux Ubuntu servers, AWS cloud services, Terraform, Docker, SQL Databases and even Windows. You will truly be joining an SME in this field where there is a clear line of sight to how you can make ...

latency technology group is looking for an experienced Software Engineer and Integration specialist with experience in equities markets, connectivity, systems integration and automation to join our JISU COB team in London. The JISU COB Team is responsible for project delivery, including business analysis, project management, client onboarding, release management … application Present and/or escalate project and technical needs Excellent knowledge of S/W and H/W Client onboarding on Linux servers Ensure quality delivery and stabilityRequired Qualifications, Capabilities, and Skills:Self-motivated, self-directed, and thrive in a fast-paced and high-visibility work environment.Experience ...

latency technology group is looking for an experienced Software Engineer and Integration specialist with experience in equities markets, connectivity, systems integration and automation to join our JISU COB team in London. The JISU COB Team is responsible for project delivery, including business analysis, project management, client onboarding, release management … application Present and/or escalation project and technical needs Excellent knowledge of S/W and H/W Client onboarding on Linux servers Ensure quality delivery and stability Required Qualifications, Capabilities, and Skills: Self-motivated, self-directed, and thrive in a fast-paced and high-visibility work ...

Referment is seeking a Senior Linux Infrastructure Engineer to join the Platform Engineering team. The role involves hands-on design, integration and maintenance of Linux-based infrastructure across data centres, cloud environments and international offices. You will troubleshoot complex host and network issues, contribute to global networks ...

complexity and capacity challenges of operating large models at very long contexts. Key Responsibilities Help maintain and troubleshoot a fleet of on-premise Linux (Rocky/RHEL-family) servers. Support the deployment and upkeep of on-premise compute infrastructure using infrastructure-as-code tooling (e.g. Ansible). Assist with … Work with engineers across the organisation to understand and help resolve infrastructure-related bottlenecks. Requirements 2-3+ years of solid, hands‐on production Linux system administration experience. Good working knowledge of monitoring solutions (e.g. Prometheus, Grafana, Zabbix, or similar). Solid networking fundamentals — TCP/IP, DNS, VLANs ...

Hosting Platform Engineer (Unix/Linux) 6 Months £Negotiable Market Rate Hybrid/London - 2 Days per week My client, in the banking industry is looking for a Hosting Platform Engineer to join their fast-paced team on an initial 6 month contract. Job description Manage … execute operating system, middleware, application server, and Java platform patching, upgrades, and lifecycle maintenance across UNIX/Linux environments. Perform security hardening, vulnerability remediation, configuration management, cluster patching, rolling upgrades, rollback planning, disaster recovery validation, and post-patch testing while ensuring compliance with enterprise security and change management standards. ...

Hosting Platform Engineer (Unix/Linux) 6 Months £Negotiable Market Rate Hybrid/London - 2 Days per week My client, in the banking industry is looking for a Hosting Platform Engineer to join their fast-paced team on an initial 6 month contract. Job description Manage … execute operating system, middleware, application server, and Java platform patching, upgrades, and lifecycle maintenance across UNIX/Linux environments. Perform security hardening, vulnerability remediation, configuration management, cluster patching, rolling upgrades, rollback planning, disaster recovery validation, and post-patch testing while ensuring compliance with enterprise security and change management standards. ...

Hamilton Barnes Associates Limited is seeking an experienced HPC Operations engineer to maintain large-scale Linux infrastructure in a fast-paced, production environment in City of London. You will troubleshoot incidents, automate tasks, and contribute to high-availability compute platforms supporting trading operations. You will work ...

Architect and manage our high-performance Linux environment. You will ensure our trading systems run on the most optimized, secure, and reliable OS configurations possible. Responsibilities Tune the Linux kernel for ultra-low latency and maximum throughput Automate infrastructure provisioning and configuration management Diagnose complex system-level performance … issues Manage hardware lifecycles and evaluate new server architectures Requirements Deep expertise in Linux internals (networking stack, memory management, scheduling) Experience with configuration management (Ansible, Puppet, or similar) Knowledge of networking protocols (TCP/IP, Multicast) #J-18808-Ljbffr ...

TwinThread is looking for a DevOps Lead Software Engineer in London to drive software integration and automation in the low-latency technology group. The role requires collaboration across teams to deliver projects efficiently while ensuring quality and stability in software deliveries. The ideal candidate will have a strong background … equities markets, experience with Linux, Python, and Shell scripting, and a self-motivated approach to thrive in a dynamic work environment. #J-18808-Ljbffr ...

Infrastructure Engineer – Trading systemsLocation: City of LondonChallenge: Supporting the network infrastructure sitting beneath a best in class trading systems used by banks, hedge funds and institutional traders worldwide.30,000-45,000 + bonus and benfits. Quant Capital is urgently looking for a Network Engineer to join our high … service international clientele.Our client is seeking both junior and mid-level candidates that have 1+ year(s) of experienceThe primary responsibility of the Network Engineer is to support, maintain and improve our clients network systems that sit beneath the company’s products. You will be joining a hardworking ...

Leonardo UK Ltd is seeking a Linux Systems Engineer to shape secure endpoint solutions for high-profile clients. You will operate at the intersection of Linux internals, networking, and security, delivering robust, scalable systems. Based in London with hybrid working, you will develop and maintain Linux ...

Client Server is seeking a Linux Platform Engineer/DevOps specialist in London with hybrid WFH. The role focuses on building and automating scalable infrastructure, leveraging AI tools and cloud services to empower engineering teams. You will participate in architectural decisions, drive automation, and enhance platform tooling, delivering ...

Morgan Stanley in London seeks a Lead Infrastructure Engineer to design, build and maintain robust, scalable infrastructure automation systems in a hands-on leadership role. You will own end-to-end delivery of infrastructure projects, mentor engineers, and drive reliability and performance in a fast-paced trading environment. ...

company is on the cusp of remarkable growth, and their Systems Infrastructure team is at the heart of this journey. As a Systems Engineer, you'll wield your expertise to architect major engineering decisions that mold their predominantly Linux-based infrastructure. From baremetal servers to sprawling HPC environments … part of an organisation that places technology at the forefront, then you're reading in the right place. With a deep understanding of Linux, a knack for modern IP networking, and proficiency in Python and SaltStack, you will have experience in crafting scalable solutions for core infrastructure challenges such ...

Engineer – Windows Linux70,000Quant Capital is urgently looking for a IT Operations Engineer to join our high profile client.Our client is a well known global High Frequency Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track record … gets to the market. You will participate in providing financial and operational support to the firm.The primary responsibility of the IT Operations Engineer is to ensure the availability of all the IT systems that are used by all colleagues throughout the trading day. This includes the end user computing ...

Engineer – Windows Linux70,000Quant Capital is urgently looking for a IT Operations Engineer to join our high profile client. Our client is a well known global High Frequency Trading firm. They value technology especially the opensource variety as well as scalability and robust performance (much like their track … gets to the market. You will participate in providing financial and operational support to the firm. The primary responsibility of the IT Operations Engineer is to ensure the availability of all the IT systems that are used by all colleagues throughout the trading day. This includes the end user ...

3+ years of experience in developing security detections at scale, for use in a wide range of environments. 3+ years of experience working on Linux system security (e.g., capabilities, LSMs, etc.). Good communication skills, both written and verbal. Preferred Qualifications: Experience with eBPF (extended Berkeley Packet Filter … applications in security. Experience with the cloud-native ecosystem (containers, Kubernetes, etc.) and their Linux implementation (e.g., Linux cgroups, namespaces). Cisco is an affirmative action and equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation ...

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private ...

Quant Capital is actively seeking a Date Centre Engineer to join our esteemed client promptly.Our client, a globally renowned High Frequency Trading firm, highly values technology, particularly open source solutions, scalability, and robust performance, much like their impeccable track record.This role is at the forefront of the market, offering … cooling capacity.Coordination with technicians, vendors, and the regional team to implement projects and address issues.Overseeing logistics and inventory management, including handling shipments.Supporting the trading Linux infrastructure of the firm, including emergency response.Contributing to the development of automation and monitoring tools for provisioning, configuration, and monitoring of servers.Maintenance of technical ...

Quant Capital is actively seeking a Date Centre Engineer to join our esteemed client promptly. Our client, a globally renowned High Frequency Trading firm, highly values technology, particularly open source solutions, scalability, and robust performance, much like their impeccable track record. This role is at the forefront … with technicians, vendors, and the regional team to implement projects and address issues. Overseeing logistics and inventory management, including handling shipments. Supporting the trading Linux infrastructure of the firm, including emergency response. Contributing to the development of automation and monitoring tools for provisioning, configuration, and monitoring of servers. Maintenance ...