176 to 187 of 187 Linux Jobs in the City of London

Senior Software Developer

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
deliver robust and scalable trading solutions Skills and Experience Minimum 10 years of software development experience using C and C++ Advanced proficiency in Linux systems (e.g., system calls, multi-threading, IPC, sockets, scheduler) Knowledge of FIX/ITCH/OUCH protocols and hands-on experience building applications utilizing them Strong … performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro compilers gdb and dbx debuggers Solace messaging bus Perforce version control ...

Site Reliability Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
Role: SRE Skills: Deep Linux, Scripting - Python, DevOps, Kubernetes Salary: £500k Plus Location: London The ideal candidate comes from a top-tier tech environment (FAANG, elite trading, hyperscale infra). They have experience building technology 0→1 , owning systems end-to-end, and working close to the metal. They will … operate across everything from bare-metal Linux to modern build and observability stacks . Overview Join a core engineering group as Lead Site Reliability Engineer, designing and scaling Linux platforms that underpin ML/AI-driven trading. You will architect and own reliability for massive simulation, HPC, and production workloads ...

Infrastructure Operations Software Engineer - Global Quant Fund

Hiring Organisation
Paragon Alpha - Hedge Fund Talent Business
Location
City of London, London, United Kingdom
driven and scientific approach to investing. Our client is looking for an Infrastructure Operations Engineer to support the stability and performance of their global Linux estate underpinning both trading and research platforms. You will be responsible for administering and deploying Linux-based systems, supporting high-performance computing environments, troubleshooting incidents … working closely with engineering teams on automation and monitoring initiatives. Stack: Linux (Red Hat/CentOS), Python, Ansible The firm offers a highly collaborative culture with strong ownership, exposure to mission-critical trading systems, and opportunities to drive automation and operational improvements across the platform. Please get in touch ...

Network Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
Role: Network Engineer Skills: CCIE-level routing/switching, Linux, Scripting, DevOps, Kubernetes Salary: £500k+ Location: London The ideal candidate comes from a top-tier tech environment (FAANG, elite trading, or hyperscale infrastructure). They have experience building networks from 0→1 and are comfortable operating across everything from bare … metal Linux to modern build, observability, and automation stacks. This role sits at the intersection of advanced networking, large‐scale ML/AI platforms, and high‐end automation. Network Engineer – Overview This elite trading firm is seeking a Network Engineer to join a small, high‐impact engineering group supporting ...

Network Support Engineer

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
have end-to-end ownership with full systems admin access - no slow escalations, just real responsibility. This role offers excellent exposure across networking, Linux and Windows systems, virtual machines, Azure, Active Directory, and PowerShell, making it ideal for someone looking to deepen their technical breadth while sharpening their networking expertise. … fixing issues throughout the day. You will need to have worked in a similar, smaller environment. Experience across Cisco Networking is a must. Windows, Linux, Azure, Active Directory and some PowerShell scripting would be great to have. If you do things outside of work e.g. Home lab, Built a gaming ...

Production Engineer - take ownership of improving trading systems - up to £110,000 + Bonus

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
fund. You'll ideally have worked in a trading environment. This isn’t a pure support role, they’re looking for engineers with strong Linux fundamentals and solid Python who can eliminate toil, modernise tooling, and automate release, monitoring and recovery processes. You’ll own and improve build/deployment … deployments, health checks and runbooks while proactively monitoring trading system health and leading RCA and blameless post-mortems. Their environment is ~80% on-prem Linux and 20% AWS, with a steadily growing cloud footprint. A blend of systems engineering and DevOps experience across hybrid infrastructure would be especially valuable. ...

Data Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
PostgreSQL and BigQuery Develop and support API-based data ingestion pipelines Manage and optimise cloud and on-prem infrastructure for reliability and efficiency Perform Linux and networking tasks related to on-prem systems Support ad-hoc and exploratory data projects as required Requirements 2+ years of commercial experience in data … engineering or related roles Hands-on experience with GCP and Terraform Strong Python and SQL skills Working knowledge of Linux environments and basic networking Interest in data engineering, infrastructure, and understanding data flow Comfortable working in a small, collaborative team and taking initiative Nice-to-have Exposure to data science ...

Trading Application Support Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
Trading Application Support Engineer - Trading Firm - London - £120k + bonus Role: Trading Application Support Engineer Requirements: App Support, Linux, Python, SQL, etc. Compensation: £120,000 (base) + generous bonus (very negotiable DOE) Durlston Partners is working with an elite-level Trading Firm that is looking for a Trading Application Support … trade data, investigate breaks, and generate reports for the desk. Automation: Build monitoring tools and automate manual operational tasks using Python. The Tech Stack: Linux: Strong command-line proficiency (grep, awk, sed, process management) SQL: Ability to write complex queries (joins, troubleshooting data integrity). Python: Scripting for automation ...

Trading Production Support Engineer - £80,000-£140,000 + Bonus

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
title: Trading Production Support Engineer Client: Elite FinTech Salary: £80,000-£140,000 + Bonus + Excellent Benefits Location: London/Hybrid Skills: Linux, Python, SQL, Front Office The role: My client are seeking an Engineer with a broad skillset to support a range of technology within their stack. … environments, providing support to brokers and traders, as well as assisting with go live scenarios and projects. You will have: Experience of working in Linux environments Strong understanding of Application architecture Scripting skills utilising Python An understanding of relational databases and querying (SQL, Postgres etc.) A good grasp of Networking ...

Senior Platform Engineer - Tier 1 Multi Strategy Fund ~$300k+

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
impact. Provision and configure physical + virtual servers (including occasional data centre work). Manage and troubleshoot hypervisors and virtualisation stacks. Administer Debian-based Linux systems using automation—and manually when necessary. Review and maintain hardware configuration records through automated tooling. Build new automation and tooling for systems administration. … troubleshooting/diagnostics level. Configure monitoring and alerting (Prometheus ecosystem). Requirements: Strong experience with Infrastructure-as-Code. Proficiency with automation tools. Hands-on Linux (Debian-based) systems administration. Production experience in containerised environments. Understanding of high availability patterns. Experience working with CI/CD pipelines. Bonus: deep hardware knowledge ...

Senior System Engineer (AI/ML)

Hiring Organisation
Computappoint
Location
City of London, London, United Kingdom
Senior System Engineer (AI/ML) | Permanent position Location: Central London Onsite: 5 days a week (South Kensington/Waterloo) Salary: Up to £82,500 + Excellent Benefits Available position: 2 positions Our client, an ...

HPC Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
Role: HPC Engineer Skills: Linux & HPC Infrastructure Compensation: up to £400k (Can pay out bonuses, RSU'S etc) Location: London The Opportunity An elite trading firm is seeking a hands-on HPC Engineer to design, build, and scale next-generation compute and storage systems. The ideal candidate comes from … world-class HPC environment—such as FAANG, research, or hyperscale infrastructure—and combines deep Linux expertise with software engineering skills. You’ll work on uniquely customized systems at scale, where every engineering decision impacts performance, reliability, and research productivity. Core Responsibilities Design, implement, and maintain high-performance compute and storage ...