20 of 20 Linux Jobs in the City of London

Senior Technical Consultant - Cloud (1 day per week in London)

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Security Groups). Data Platforms: Familiarity with Azure SQL, Azure Data Factory, or Power BI. Migration: Experience with Azure Migrate and database migration strategies. Linux: Experience with RHEL/Ubuntu in a cloud context. Containerisation: Kubernetes (AKS) and Docker. Certifications (Highly Valued) Required (one or more): o AZ-305: Designing ...

Security Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
areas: Cyber security and platform engineering Networking and network security Cloud security - AWS, Azure or GCP CI/CD, DevSecOps and Infrastructure as Code Linux/WSL SIEM and log management - Splunk, Microsoft Sentinel, Cribl or ELK Python, Bash or PowerShell scripting IDS/IPS, vulnerability management and endpoint security ...

Platform Engineering Specialist - Database Infrastructure

Hiring Organisation
TurleyWay Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
possess deep expertise in PostgreSQL , including performance tuning, high availability, replication and operational support within Azure-based environments. You will have strong Linux systems administration skills, experience with database automation and infrastructure-as-code tools such as Terraform, Ansible or equivalent, and some software engineering experience with Python. Experience supporting ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
administration experience Scripting and development capability across Impact Policy Language, Probe rules files, JavaScript, PowerShell and shell scripting (Bash, Korn Shell or similar) Solid Linux/UNIX administration skills and deep understanding of event processing, correlation and alert lifecycle management Experience integrating monitoring with ServiceNow and automation platforms Excellent troubleshooting ...

KDB+/q and Python Developer

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
KDB+/q development experience. * Strong Python development skills. * Experience working with large datasets and time-series databases. * Good knowledge of SQL and Linux/Unix environments. * Strong analytical and problem-solving skills. Experience within financial services or capital markets would be preferable. Please apply for immediate interview! CBSbutler ...

Oracle DBA

Hiring Organisation
Access Computer Consulting Plc
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 350 Daily
relational and dimensional data. PowerShell and Unix Shell Scripting abilities are required. Impeccable attention to detail, excellent mathematics, and statistical expertise Knowledge of Linux and Windows Server infrastructures A thorough understanding of database technologies (MySQL, MS SQL, PostgreSQL Oracle, MongoDB). Please apply ASAP if you match the above requirements. ...

Technical Lead Regulatory Reporting

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Capital Markets, regulatory reporting, post-trade or trading technology. Strong hands-on MiFID/MiFIR Transaction Reporting experience. Strong SQL and Python skills, with Linux/scripting experience. Strong understanding of data modelling and reporting platforms . Experience with Qlik, SmartBI, Crystal Reports or similar reporting technologies. Strong stakeholder management ...

Storage Consultant - Isilon

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
Pure Storage FlashArray/FlashBlade. Dell EMC VMAX, VNX, VPLEX and SRDF. Cisco SAN switches/DCNM. VMware vSphere/vCenter. Windows Server and Linux (RHEL). Storage migrations, replication and disaster recovery. ...

Senior KDB+/q Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£349 - £465/day Negotiable
data streams, and algorithmic order/execution data. Low-Latency Engineering: Strong background in scaling time-series databases and optimizing queries in Unix/Linux environments. L3 Support: Capable of providing technical coverage and rapid troubleshooting for critical live trading feeds. Domain Knowledge: Prior exposure to global Equities and Futures ...

Sr Linux Automation & Platform Engineer (Python/Ansible)

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£290 - £380/day Negotiable
Senior Linux & Infrastructure Automation Engineer Location: (Canary Wharf/Hybrid-3 days in a week) Type: Contract (Inside IR 35) The Role in Brief We are looking for a Senior Linux System Administrator who thrives on high-performance environments and loves automating infrastructure. In this role, you will manage large … scale Linux systems, eliminate manual work with Python and Ansible, and ensure seamless network traffic flow across critical financial systems. Key Responsibilities Linux Systems Admin: Keep core Red Hat/Linux server infrastructure fast, secure, and resilient. Automation: Write clean scripts and playbooks in Python , Bash , and Ansible to automate ...

Senior Rapid Application Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 115,000 Annual
days a week in the office 2 days remote About the Company - Senior Rapid Application Developer (Financial Services, FinTech, Trading, Low Latency, C++, Linux) My client is a leading, fast-growing exchange based in the City of London, operating at the cutting edge of European equity markets click apply ...

Build & Deployment Engineer

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
City of London, London, Coleman Street, United Kingdom
Employment Type
Contract
premises build, packaging, artefact and deployment toolchain Building and maintaining automated CI/CD pipelines and standard templates for application teams, across Windows and Linux environments Writing, reviewing and troubleshooting the C#/.NET code behind internal deployment integrations, APIs and automation tooling Diagnosing complex build and deployment failures across … good grasp of secure development principles, including authentication, secrets management, certificates and TLS Windows Server and on-premises hosting knowledge, working knowledge of Linux deployment patterns, and SQL Server database deployment (e.g. DACPAC) Experience working within formal change, incident and release management in a controlled, regulated environment Desirable: ASP.NET/ ...

Java Developer

Hiring Organisation
Michael Page
Location
City of London, London, Langbourn, United Kingdom
Employment Type
Permanent
Salary
£60000 - £100000/annum
Java and related technologies. Document code and processes to support knowledge sharing within the team. Profile Must haves: 2+ years industry experience Java Linux Apache Mongo/Postgres AI - prompt engineering or AI-assisted development (Claude, Cursor etc) Worked on a broker platform or similar industry experience a huge plus ...

Senior Rapid Application Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
days a week in the office 2 days remote*** About the Company Senior Rapid Application Developer (Financial Services, FinTech, Trading, Low Latency, C++, Linux) My client is a leading, fast-growing exchange based in the City of London, operating at the cutting edge of European equity markets. They … backgrounds and give engineers the opportunity to make a genuine impact. Job Overview Senior Rapid Application Developer (Financial Services, FinTech, Trading, Low Latency, C++, Linux) In this role you will be working with the Product, Infrastructure, QA, and Operations teams to solve complex problems at speed. Unlike our Low Latency ...

DV Data Engineering Lead - London

Hiring Organisation
LA International Computer Consultants Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Adapt designs and engineering priorities when operational requirements change. Platforms and engineering practices -Contribute to the platform and infrastructure supporting data products. -Work in Linux or Unix environments. -Apply continuous integration and continuous delivery practices. -Use containerisation and orchestration technologies when developing and deploying solutions. -Support engineering within an Azure … work with emerging technologies where relevant, including pipeline orchestration and graph database tools. Essential -Python -Open-source data engineering technologies -Data pipeline development -Linux or Unix -Continuous integration and continuous delivery -Containerisation -Kubernetes Preferred -Apache Airflow -OpenSearch -Azure -Azure Stack Hub -Apache Kafka -Data cataloguing tools and practices -Apache NiFi ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
performance, system efficiency and execution speed are critical to trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce … infrastructure supporting high-frequency and electronic trading platforms. Improve network connectivity and trading system performance, minimising latency, jitter and packet loss. Configure and tune Linux systems for maximum performance, including CPU affinity, NUMA optimisation, kernel tuning and kernel bypass. Engineer and maintain high-performance networking across physical data centres, colocation ...

Penetration Tester

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
part of a team. * Strong manual testing capability and sound judgement in selecting and using automated tools, with practical experience of Kali Linux, Burp Suite, Nmap, and Qualys or Nessus. * Familiarity with recognised penetration testing methodologies and frameworks, together with the ability to script or automate tasks using Python, PowerShell … Bash, or a comparable language. * Good knowledge of modern web architecture, common web and API vulnerabilities, TCP/IP, Windows and Linux security, and Active Directory and Microsoft Entra ID attack paths. * Experience delivering, or the ability to deliver, wider technical assessments such as vulnerability assessments and configuration reviews against ...

Technical Support Specialist

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
service visibility and help deliver proactive infrastructure management. You'll work alongside infrastructure, application and service management teams to enhance monitoring across Windows and Linux environments, supporting both legacy and modern platforms hosted on VMware infrastructure. Key Skills & Responsibilities: Strong hands-on experience administering and configuring the SolarWinds Orion Platform. … Assist with APM, DEM and Azure monitoring initiatives. Maintain operational documentation and monitoring standards. Essential Skills: SolarWinds Orion administration and configuration. Windows Server administration. Linux administration and monitoring. Event management, alerting and automation. This is a 6-month hybrid contract, with office attendance requirements to be confirmed. For more information ...

Murex Technical Consultant

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700 per day
Business Analysts to build robust market and credit risk solutions. DevOps & Operations: Optimize automation, maintain runbooks, and manage environment workflows using UNIX/Linux bash scripting and SQL. Requirements Degree in Computer Science, Engineering, Mathematics, or a related field. 5+ years of hands-on experience in end-to-end Murex … MDIT) . Strong domain knowledge in Market Risk (VaR, DV01, NOP) and Credit Risk (PFE, CVA, SIMM). Hands-on familiarity with Linux Bash scripting, SQL, Control-M, ADO, ServiceNow, and Confluence. Interested or know someone who fits? Drop a message or apply directly to discuss rates and project details ...

Senior Database Administrator Leading Financial

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
permissions and compliance. Act as the escalation point for database issues. Build and optimise SQL queries for Grafana and reporting. Essential Skills MySQL & PostgreSQL Linux Strong SQL development and performance tuning Backup & recovery Production database administration Desirable QuestDB/time-series databases Redis/Elasticsearch Grafana Dolt Financial services … Database Engineer with strong troubleshooting skills, a hands-on approach and the ability to work effectively across technical teams. Keywords: Senior DBA, MySQL, PostgreSQL, Linux, Database Engineer, SQL, Performance Tuning, Replication, Backup & Recovery, QuestDB, Redis, Elasticsearch, Grafana, Financial Services, Trading Systems. ...