26 to 43 of 43 Linux Jobs in the City of London

Front Office Support team. You will drive operational excellence, mentor juniors, and own complex production issues across our trading platform. You will leverage FIX, Linux, Windows, DevOps, and cloud technologies to ensure reliability, performance and client migrations. Strong debugging and mentoring skills are essential for success. #J-18808-Ljbffr ...

experience in infrastructure engineering within enterprise environments. Experience leading, mentoring or coordinating technical teams whilst remaining involved in delivery. Strong technical knowledge across Windows, Linux, cloud, networking, virtualisation, storage and endpoint technologies. Experience balancing operational support, project delivery and stakeholder management. Exposure to automation, scripting and modern engineering practices. Strong ...

Senior Linux/Unix Automation Engineer London 3 days on the office 9 Months Contract + Extension £350 a day Inside IR35 A well established firm is looking for an experienced Systems Engineer who brings solid Unix and Linux administration experience alongside hands-on infrastructure automation skill to join their … network environments. Lab Testing: Run hands-on testing in lab environments to validate and certify new hardware and software releases before deployment. Unix & Linux Delivery: Maintain high availability across RHEL, Ubuntu, and legacy Unix platforms while driving modern infrastructure-as-code practices. Solution Design: Partner with internal technical teams ...

Trading Application support - FIX Protocol/Unix/Linux/SQL This is a hybrid role, 3 days in the office 2 days remote An excellent opportunity has arisen with a well established but growing Exchange based in the City, London. We seek a Trading Application Support candidate who would ...

order and trade lifecycle systems Client Execution Knowledge - understanding of trade flows and execution workflows Fidessa/Flextrade - hands-on experience highly preferred Linux - confident working in production environments SQL - ability to query, analyse, and troubleshoot data issues Additional Requirements 7+ years of experience in FIX connectivity/electronic trading ...

Ability to conduct fault isolation and fault finding Ability to complete rack installations of routers, switches, firewalls, and servers. Good understanding of Microsoft and Linux O/S and associated products. Fibre Optic Testing & Safe Working Practices CompTIA A+ Certificate or Similar ...

operate effectively during high-pressure incidents and provide pragmatic, technically credible advice to clients. The successful candidate should be comfortable working across Windows, Linux, Active Directory, virtualisation, networking, cloud and enterprise infrastructure technologies, and should be able to translate technical remediation requirements into clear recovery plans for both technical … will combine: Deep infrastructure and systems administration experience. Strong cyber security and incident response understanding. Hands-on remediation and recovery capability. Active Directory, Windows, Linux and network architecture expertise. The ability to lead technical workstreams during high-pressure incidents. The ability to define and execute short, medium and long-term ...

services and infrastructure management tools Taking part in creation of PaaS platform On-call duty Skills, Knowledge and Expertise Deep knowledge and understanding of Linux OS (Ubuntu, Amazon Linux) Knowledge and experience with Kubernetes clusters Experience with public and private clouds (AWS, GCP, Yandex.Cloud) Deep knowledge of Docker/Containerd ...

including the ability to analyze application impacts before applying security fixes. Experience upgrading runtimes, frameworks, libraries, container platforms like Docker or OpenShift, and managing Linux environments—preferably Red Hat Enterprise Linux—is also important. Familiarity with build tools such as Maven, Gradle, or npm, advanced Git workflows, and comprehensive production … automated testing within CI/CD frameworks Secure coding, vulnerability management, and dependency risk analysis Runtime, framework, library upgrades, and container platform management Linux system administration, build tools, Git workflows, and production debugging Application observability and distributed system engineering principles Soft skills: End-to-end ownership of technical projects Effective ...

nature of the work, SC Clearance eligibility is required. PRINCIPAL PLATFORM ENGINEER ESSENTIAL EXPERIENCE Principal or Senior Platform Engineering experience Large scale AWS environments Linux Kubernetes Git Terraform Cloud platform architecture Technical leadership across multiple teams Experience leading platform engineering within large, complex enterprise environments Excellent communication and stakeholder management … skills Eligible for SC Clearance PRINCIPAL PLATFROM ENGINEER ESSENTIAL SKILLS Design and build enterprise-scale AWS platform solutions Remain hands-on across Linux, Kubernetes and cloud infrastructure Provide technical leadership across multiple engineering teams Influence platform architecture and cloud strategy Help define governance, engineering standards and best practice Mentor ...

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 and 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. Skills requireed ...

Trading Application support - FIX Protocol/Unix/Linux/SQL ***This is a hybrid role, 3 days in the office 2 days remote*** An excellent opportunity has arisen with a well established but growing Exchange based in the City, London. We seek a Trading Application Support candidate who would … excellent role to join a forward thinking, innovative FinTech company and exchange. Benefits (not exhaustive list) Trading Application support (FIX Protocol/Unix/Linux/SQL) Competitive salary 25 days annual leave - not including bank holidays Private medical insurance Flexible working hours Company pension Group Policies Life Assurance, Income ...

site role, and candidates for this role are required to hold an active DV security clearance. The role Hexegic are looking for a Linux engineer to join our wider team working on the stability of applications deployed across security cleared environments. About us Hexegic are a leading technical consultancy providing … company promises exciting, engaging and rewarding projects for those that are keen to develop and build a successful career. Core Responsibilities Maintain stability of Linux based applications Participate in project workshops, contributing to project planning and execution Oversee and manage system infrastructure in security cleared environments Ensure system security ...

compute, storage, containers (ECS/EKS), and serverless (Lambda). Develop Python based automation, services, and agent skills using Boto3 and AWS Lambda. Perform Linux configuration, hardening, and troubleshooting in cloud environments. Collaborate with security, platform, and application teams to improve reliability, security, and developer experience, treating the platform … alerting, policy as code enforcement, and vulnerability management. Proficient Python development (Boto3/Lambda), building automation and services that compose into larger workflows. Strong Linux systems knowledge and troubleshooting skills. Experience with AWS core services: networking (VPC), compute, storage, containers (ECS/EKS), serverless. Demonstrable experience designing and implementing testing ...

Robot Framework API Test Automation & performance testing with Locust, Blazemeter/Taurus, k6, newman, jmeter GUI Automation with TestCafe CI/CD Test Integration Linux & Windows basic administration skills Expertise in Operating Systems like Linux ( RHEL, CentOS , OEL) , Windows Servers/Workstations along with Servers DNS/DHCP/LDAP ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does … then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list): Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension ...

Job Title Senior Network Engineer Job Description About IG Group IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale ...

background in multi-threaded implementation and low-latency messaging Experience with Multi-threading, low latency, high performance components & applications (including GC tuning) Experience with Linux, UNIX, Solaris and Agile methodologies. Experience with versioning tools such as GIT, transport layer technology such as TCP/web socket, Refinitiv, Tibco Rendezvous Experience … with ng debugging and troubleshooting skills on Linux/Windows using profiling tools. Desired Qualifications Experience working in Fixed Income eTrading technology domain specializing in the UI layer - pricing grids, RFQ blotters, tickets People leadership - line and functional management of engineering at varying levels; experience in giving feedback, calibrating performance ...