22 of 22 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 ...

AWS Cloud Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
TeamCity or Bitbucket. Understanding of cloud monitoring, observability, performance optimisation and FinOps. Experience with automated testing frameworks and continuous integration practices. Working knowledge of Linux, networking, routing and firewalls. Package and Benefits Salary of £55,000-£70,000, depending on experience. Security Clearance Requirements Applicants must be sole UK citizens ...

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 ...

eTrading Production Engineer (FIC/Trading)

Hiring Organisation
Alexander Mann Solutions - Contingency
Location
City of London, London, United Kingdom
Employment Type
Contract
skills you'll need: Proven experience supporting electronic trading systems, low-latency platforms, or front-office trading applications within a financial services environment. Strong Linux/Unix administration, SQL, and scripting skills. Advanced programming experience in Python, Java, C++, or similar languages. Experience with observability and monitoring platforms such ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 115,000 Annual
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 it's workforce and welcomes applications from a diverse background, REC Solutions Limited ...

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 ...

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 ...

Linux Site Reliability Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £580/day Inside IR35 (Negotiable rate)
Linux Site Reliability Engineer 6 Months London/Hybrid £530-£580 per day (Inside IR35) Initially 4 days per week onsite, reducing to 2 days per week onsite over time. My client in the financial sector are seeking 2 Linux Site Reliability Engineers to join a global engineering team supporting … sophisticated, business-critical trading platform. The organisation operates a complex, globally distributed technology environment supporting systematic trading activity. The Linux estate is central to its operations, with a strong focus on availability, resilience, security and performance. This is a hands-on engineering role combining production support with continuous platform improvement. ...

C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Back-end) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within it's workforce and welcomes applications from a diverse background, REC Solutions Limited does ...

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. ...

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 ...

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 ...

Infrastructure Design Lead

Hiring Organisation
LA International Computer Consultants Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 675 Daily
Infrastructure Engineering Demonstrable experience across several of the following: o VMware Cloud Foundation. o Enterprise server platforms. o Microsoft Windows Server. o Linux (RHEL, Rocky Linux, Ubuntu or similar). o Enterprise storage platforms such as NetApp or Dell PowerStore. o Backup and recovery technologies such as Veeam, Cohesity ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Oracle EBS DBA

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £500 per day
Help plan and carry out moving on-premise systems to modern cloud platforms like Oracle Cloud (OCI) or Azure. Infrastructure Support: Work directly on Linux and AIX server operating systems, writing simple scripts to automate tasks, manage server storage, and install updates. Essential Skills Experience: 7+ years in enterprise Oracle … Apps DBA & DB roles. Stack: Oracle EBS R12, RAC, AutoConfig, RMAN, patching & cloning. OS: Linux & AIX support + shell scripting (Bash/KShell). Troubleshooting: Cross-layer (App/DB/OS) problem-solving under strict SLAs. Desirable Skills Hands-on experience with OCI (Oracle Cloud Infrastructure) or Microsoft Azure. ...

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 ...

C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Back-end) ***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 … your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list): C++ Developer(Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Back-end) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company ...

Machine Learning Researcher

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
/or LangGraph Developing AI agents, copilots, enterprise search or workflow automation solutions Working with company data, APIs or business processes Familiarity with Linux and Git A basic understanding of cybersecurity concepts and common threats Responsibilities for Machine Learning Researcher: Explore and prototype machine learning solutions, with a focus … LangChain/LangGraph/AI Agents/Enterprise Search/Neural Networks/Model Deployment/Edge AI/TensorFlow/scikit-learn/Linux/Git/Machine Learning/Artificial Intelligence/Computer Science/Mathematics/Statistics RedTech Recruitment Ltd focus on finding roles for Engineers ...