26 to 50 of 72 Linux Jobs in Central London

Network & Security Engineer

Hiring Organisation
Stanford Black Limited
Location
City of London, London, United Kingdom
maintain clear documentation, including SOPs, runbooks, and architecture diagrams Requirements: 5+ years’ experience across infrastructure, networking, and security roles Strong Windows Server and Linux (Red Hat/CentOS) experience Solid networking fundamentals (TCP/IP, VLANs, VPNs, DNS, DHCP) within Cisco environments Hands-on experience with network security technologies (e.g. ...

Market Access Developer (C++)

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
teams, where engineering decisions have direct impact on live trading performance across global markets. 🧠 Required Skills & Experience 5+ years of professional C++ development on Linux Strong experience with Python and Bash scripting Proven experience designing multithreaded and/or distributed systems Hands-on experience with trading gateways or market data ...

Application Support Engineer

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Contract
mindset with a genuine passion for technology 5+ years experience in an IT or application support environment 2+ years experience working with Red Hat Linux (or other Unix variants), including scripting 2+ years experience supporting applications such as Java, .NET, Apache or IIS Desirable: Experience within the financial services ...

Technical Sales Engineer

Hiring Organisation
Hyerhub
Location
City of London, London, United Kingdom
topologies (MPLS, Frame Relay, ATM) Security concepts and network infrastructure design Network performance and fault/alert management Solid understanding of: Operating systems – Linux, Windows Cloud and virtualisation technologies – SDN/NFV, Public/Private Cloud Performance tools – HP/OV, Tivoli, EMC SMARTS, ArcSight Relevant certifications – CCNA, CCNP, CCIE ...

Credit front office Application Support

Hiring Organisation
Pontoon Solutions
Location
City of London, London, United Kingdom
Strong Problem-Solving Ability Candidates will be assessed on this in interview Technical Experience Python (essential) KDB (essential) Additional/Preferred Skills Unix/Linux SQL Understanding of market data flows Monitoring tools (e.g. Dynatrace, Splunk) ITIL/Production Support frameworks Team & Working Model Team of 5 in London, part ...

Linux Engineer / Architect

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
Linux Engineer/Architect 6 Months Contract + with possible extension £550 a day inside IR35 London Based - 2 days in the office *Active SC Clearance is Needed* A well established IT Provider is looking for an experienced Linux Engineer/Architect with a proven track record of designing, building … availability for high-traffic environments. Key Responsibilities Provide expert-level guidance to engineering teams and lead root-cause analysis on complex system-wide issues. Linux Engineering: Manage and optimise a large-scale estate across RedHat, Ubuntu, and CentOS, ensuring peak performance of Apache, Nginx, and Tomcat stacks. Automation & IaC: Drive ...

Security Operations Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
organisation. Required Skills: * Strong understanding of network protocols and system behaviour including TCP/IP, DNS and HTTP/S. System internals (Windows, Linux), and cloud environments (Azure and AWS). * Experience investigating security alerts, analysing logs and responding to security incidents. * Experience working with SIEM platforms such as Sentinel ...

Solutions Architect

Hiring Organisation
Bestman Solutions
Location
City of London, London, United Kingdom
modern, event-driven, Java-based architecture. This is not a simple migration. It’s a fundamental shift toward scalable, platform-independent systems built on Linux and containerised environments. You’ll join a Solutions Architecture team within a Software Engineering function, working across both strategic design and hands-on delivery. Your ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems? Looking to join a company who are solving ...

Front-End Engineer (React) : Trading : £120-180k plus excellent bonus : London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
component design Experience handling large, dynamic data sets in the browser Strong grasp of performance optimisation (rendering, memoisation, data flow) Experience working in a Linux/Git-based engineering environment Additional Technologies (Nice to Have) Experience with one or more of the following is a strong plus: Next.js or similar ...

Principal Platform Engineer

Hiring Organisation
Orbis Group
Location
City of London, London, United Kingdom
designed, deployed, and operated production-grade Kubernetes clusters in complex environments. Strong knowledge across major cloud platforms Experienced in both Windows and Linux environments, with strong systems administration and automation capabilities Comprehensive networking knowledge Essential Atrributes: Great communicator – able to articulate complex technical concepts clearly to both technical and business ...

3rd Line Helpdesk Engineer

Hiring Organisation
Hiring People
Location
City of Westminster, London, England, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £45,000 per annum
Backup, archiving, and disaster recovery tooling, including Barracuda services (Archiving, Email Gateway Defense, Cloud to Cloud backups). Working knowledge across Apple, Google, and Linux environments. You'll also need experience with ConnectWise (or comparable PSA), RMM tooling (e.g. NinjaRMM, ScreenConnect), and documentation platforms. Beyond the technical, we need someone ...

Infrastructure Engineer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
initiating/managing relationships, evaluation/onboarding of new providers, and improving internal processes in line with best-of-breed industry practices Be a Linux/network stack expert and utilise that knowledge in the context of tuning/optimization and production support Support the platform during business hours … essential. Demonstrable basic development or scripting experience in one or more of the following languages: Bash, Python, Java, C#, Rust, Excel VBA Solid Linux/network stack knowledge, as well as optimization/tuning Nice to haves Containerization (Docker/Kubernetes) in a production environment Monitoring tools in a production ...

Application Support Team Lead

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Application Support Team Lead - (Trading, FinTech, Financial Services, FIX Protocol, Linux, Unix, SQL) An excellent opportunity has arisen for a Application Support Team Leadto join a well-established, innovative, growing exchange working with some cutting-edge technologies. My clients culture is one of trust, openness, and excellence click apply ...

C++ Team Lead

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
C++ Team Lead - (Principal, Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency) 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 ...

Kubernetes Engineer

Hiring Organisation
Arcus Search
Location
City of London, London, United Kingdom
background Experience with Kubernetes in production environments Proficiency in Go and/or Python Experience building or working on distributed systems Comfortable working in Linux-based environments Ability to solve complex engineering problems at scale ...

Java Developer Crypto Exchange Connectivity - Home Based

Hiring Organisation
VERTECH GROUP (UK) LTD
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
exchange connectivity (e.g. Binance, OKX, Coinbase or similar) Understanding of how different exchanges behave and how to optimise connectivity and routing Comfortable working in Linux/Unix environments Nice to have: Experience with FIX or market data systems Experience working in trading or real-time environments Scripting experience (Python ...

Python Developer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
Lead Core Developer, the CTO and other various internal stakeholders. The system you would be designing and the building will be written on Linux, in Python, but will communicate with the C++ Stack. The focus will be on building a very high-performance system dealing with 100M+ transactions daily. Requirements ...

Low Latency Market Data Developer - C++

Hiring Organisation
Qube Research & Technologies
Location
City of London, London, United Kingdom
years of experience writing low latency/high-performance modern C++ Experience with market data is highly desirable Familiar with C++ optimisation techniques Linux internals, kernel bypass and low-level profiling/tuning Communication and teamwork, with an interest in building a strong engineering culture Nice to have: System design ...

Lead Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
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 ...

C++ HFT Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
software engineering background in C++ or performance-focused systems development (2 - 6 years experience) Experience building low-latency or high-throughput backend systems Strong Linux systems knowledge Understanding of networking and server architecture Experience profiling, debugging and optimising production code Strong knowledge of concurrency, multithreading or lock-free programming Comfortable ...

Solace Middleware Engineer

Hiring Organisation
Reed
Location
Central London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day, Inc benefits
messaging middleware technologies and multicast messaging protocols. Specific experience with market-facing and low-latency infrastructure for Forex and Fixed Income trading. Strong Linux/Unix administration skills with focus on network and messaging performance tuning. Automation and scripting proficiency (Python, Shell scripting, SQL). Experience & Soft Skills: Strong experience ...

Embedded Engineer

Hiring Organisation
Premier Group
Location
City of London, London, United Kingdom
experience with microcontrollers such as ESP32, STM32, Teensy or Raspberry Pi. Confident understanding of precision motor control and encoder interfacing. Working knowledge of Linux systems. Strong debugging experience across hardware and embedded software, including digital signal processing. Understanding of communication protocols such as I2C, SPI and UART. Excellent communication skills ...

Digital Forensic Investigator

Hiring Organisation
Stats Perform
Location
Central London, London, United Kingdom
Employment Type
Permanent
encrypted chat channels (e.g., Telegram). Ahmia or TorBot for proprietary asset searches. Chainalysis, TRM Labs, or 1 Trace to for blockchain tracking. CSI Linux for forensic investigative tasks. PYTHON, JAVA SCRIPT, HTML or SQL for repetitive search tasks and data processing. Strong analytical skills, critical thinking, curiosity, and persistence ...

C++ Software Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
optimization and low-level tuning Requirements: Experience developing performance-critical applications in modern C++ Strong systems programming and low-level expertise Deep knowledge of Linux internals, kernel tuning, and profiling tools Strong interest in hardware behavior, networking, and optimization Why Join: Work on systems where tiny optimizations have real financial ...