Last updated: 2025-06-06

56 Network And Systems Engineering jobs in London.

Hiring now: Sr Software Engineer @ Cloudflare, Linux Engineer @ Jane Stree, Staff Linux Network Software Engineer @ Playstatio, Software Engineer @ Xtx Market, Linux Kernel Engineer @ Pioneering, Core Developer @ Wintermute, Software Engineer @ Blockchain, Linux Engineer @ Dv Trading, Sr Firmware Engineer @ Converge, Production Engineer @ Meta. Explore more at at jobswithgpt.com

🔥 Skills

Python (19) Linux (15) C++ (15) automation (8) distributed systems (7) scripting (5) TCP/IP (5) software development (5) Rust (4) Golang (4)

📍 Locations

London (46)

Cloudflare

At Cloudflare, we are on a mission to help build a better Internet. Cloudflare protects and accelerates any Internet application online without adding hardware…

Senior Software Engineer

London

  • Skills: Senior Software Engineer, Zero Trust Network solution, Device Posture, Orchestration, Notification, disaster recovery support, Go, Rust, Typescript, Kubernetes
  • Experience: At least 3 years of experience in technical leadership
  • Type: Full-time

Jane Street

A trading firm specializing in quantitative trading and technology.

Linux Engineer

London

  • Skills: Linux, Unix, Systems Programming, Automation, Troubleshooting, Networking, Communication Skills, C, Performance Debugging, Root-Cause Analysis
  • Experience: Bachelor's degree in Computer Science, Software Engineering or equivalent experience
  • Type: Full-time

PlayStation

PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The Pla…

Staff Linux Network Software Engineer

London

  • Skills: Linux Kernel networking, Kubernetes network primitives, eBPF, TCP/IP, network overlay, Kubernetes, Internet routing, C, Rust, Golang
  • Experience: Minimum of 10 years of relevant development experience
  • Type: Full-time

XTX Markets

XTX Markets is an algorithmic trading firm that actively trades tens of thousands of instruments on over eighty venues with a daily volume of almost three hund…

Software Engineer

London

  • Skills: C++, Python, algorithm, data structures, performance trade-offs, Linux, high performance, trading technology, distributed filesystem, parallel computation
  • Experience: Practical experience designing and implementing software systems is a plus.
  • Type: Full-time

Pioneering Electronic and Quantitative Trading Company

Dedicated to leveraging technological innovations for improved financial solutions.

Linux Kernel Engineer

London

  • Skills: Linux Kernel, High-Frequency Trading, System Performance, Collaboration, Engineering, Modules Development, Infrastructure Maintenance, Problem Solving, Optimization, Technological Innovations
  • Type: Full-time

Wintermute

Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets, providing liquidity algorithmically across cryptocurrency excha…

Core Developer

London

  • Skills: algorithmic trading, crypto, C++, Python, high-frequency trading, Linux, PostgreSQL, quantitative research, DeFi, clean code
  • Experience: Experienced developer
  • Type: Full-time

Blockchain.com

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the pass…

Software Engineer

London

  • Skills: C/C++ development, metaprogramming, Java, Python, SQL, Multithreading, Network programming, Interprocess Communication, trading system architecture, high throughput low latency systems
  • Experience: Extensive experience in C/C++ development, including metaprogramming.
  • Type: Full-time
  • Salary: Full-time salary based on experience and meaningful equity in an industry-leading company

DV Trading

Founded more than 15 years ago and headquartered in Chicago, the DV Group of financial services firms has grown to more than 450 people operating throughout No…

Linux Engineer

London

  • Skills: Linux, performance tuning, configuration management, automation, infrastructure-as-code, networking fundamentals, storage systems, system performance analysis, virtualization/VMWare, Agile and DevOps
  • Experience: 5+ years of experience in Linux engineering, debugging, administration, and OS system provisioning (PXE/DHCP/TFTP/Grub)
  • Type: Full-time

Converge

Converge was founded to help build the future of construction more efficiently, safely, and sustainably. The company focuses on concrete, which accounts for 8%…

Senior Firmware Engineer

London

  • Skills: Firmware engineering, Zephyr RTOS, Embedded systems, Bluetooth Low Energy, LoRaWAN, C/C++ development, ARM Cortex-M, Automated testing, Power optimization, Cloud integration
  • Experience: 5+ years of firmware engineering experience, with at least 2 years working with Zephyr RTOS.
  • Type: Full-time
  • Salary: £65k

Meta

Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…

Production Engineer

London

  • Skills: Production Engineer, Hadoop data warehouses, UNIX, TCP/IP, PHP, Python, C++, Java, internet service architectures, capacity planning
  • Experience: 7+ years of experience in UNIX and TCP/IP network fundamentals, 7+ years of coding experience
  • Type: Full Time

Cloudflare

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…

Software Engineer - Observability

London

  • Skills: distributed Linux environments, high-scale distributed systems, Golang, Prometheus, Alertmanager, Thanos, networking protocols, scalability, incident management, open-source contributions
  • Experience: Proficiency in distributed Linux environments, designing high-scale distributed systems, high-level programming languages (e.g., Golang), networking protocols Layer 2-7 of the OSI model, experience in a 24/7/365 service environment.
  • Type: Full-time

Epic Games

Epic Games spans across 25 countries with 46 studios and 4,500+ employees globally. For over 25 years, we've been making award-winning games and engine technol…

Senior Networking Programmer

London

  • Skills: networked multiplayer games, server performance, stability, C++, latency optimization, bandwidth management, game networking concepts, developer efficiency, real-time technology, cross-disciplinary development
  • Experience: Experience shipping networked multiplayer games
  • Type: Full-time

Ripple

At Ripple, we’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, businesses, governmen…

Senior Engineer - XRP Ledger

London

  • Skills: XRP Ledger, distributed systems, C++, blockchain technology, development, system architecture, mentoring, engineering best practices, cryptocurrency, scalable systems
  • Experience: At least 12+ years’ experience in designing and developing complex distributed systems; at least 5+ years as an architect or key contributor
  • Type: Full-time
  • Salary: Competitive salary, bonuses, and equity

WorldQuant

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predi…

Build and Release Team Member

London

  • Skills: software development, build automation, release management, Linux environments, DevOps, scripting, Python, C++, problem solving, communication skills
  • Experience: Minimum of 1 year of experience in a technical leadership and managerial role.

Columbia Threadneedle Investments

Working at Columbia Threadneedle Investments you'll find growth and career opportunities across all of our businesses. We're intentionally built to help you su…

Network Engineer (Cisco)

London

  • Skills: network design, network engineering, routing and switching, automation, troubleshooting, network performance, technical leadership, capacity planning, information technology, network monitoring
  • Experience: Extensive, relevant networking experience required.
  • Type: Full-time

DRW

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…

Software Engineer

London

  • Skills: Software Engineer, trading tools, full stack software, Python, Java, Rust, collaborate, network programming, Linux environment, Docker
  • Experience: Have a minimum of 2+ years’ experience using Java or Python, or have demonstrated the ability to learn new languages quickly

quadraturecapital

Systems Infrastructure Team Member

London

  • Skills: Linux, C++, Python, grid computing, Infrastructure, Systems Operations, Systems Engineering, Information Security, Network Engineering, Automated Trading System

Axon

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and clou…

Firmware Engineer

London

  • Skills: Firmware Development, Embedded Linux, Microcontrollers, C, C++, Golang, RTOS, AIoT, Manufacturing Software, Collaboration
  • Experience: 8-12 years
  • Type: Remote
  • Salary: USD 122,000 - USD 266,000 base pay

eyeo

At eyeo, we transform the internet into a trusted, sustainable and accessible place where users regain control over their experience, content creators and publ…

Senior C++ Engineer (Mandarin Speaker)

London

  • Skills: C++, Mandarin, Linux, ad-filtering, B2B Solutions, scripting, performance optimization, remote work, communications, technical discussions
  • Experience: Extensive experience in modern C++
  • Type: Full-time

Five Rings LLC

Five Rings is a proprietary trading firm founded with a vision of combining strategy, innovation and technology to succeed in today’s global markets. With offi…

Experienced/Lateral - Linux Systems Administrator

London

  • Skills: Linux administration, Debian, Ubuntu, BIND, Ansible, Linux KVM, Zabbix, Google workplace, scripting, cybersecurity

DRW

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…

Network Engineer

London

  • Skills: network architecture, implementation, automation, Python, TCP/IP, BGP, OSPF, multicast, security, CCNP
  • Experience: Minimum 3 years of Network Engineering experience.

Serotonin

Our client is the first Bitcoin security-equivalent Layer2 solution based on BitVM approach. Their core objective is to address the trade-off between security …

Senior Protocol Engineer (External)

London

  • Skills: protocol, blockchain, cryptographic, security, Layer2, decentralized, digital assets, scalability, automation, transactions
  • Type: Full-Time

Janus Henderson Investors

Janus Henderson is a global asset management firm with 90 years of investment experience, dedicated to helping clients achieve superior financial outcomes thro…

Senior Network Engineer

London

  • Skills: Cisco ACI, Python, Ansible, Terraform, Cisco IOS-XE, Palo Alto firewalls, BGP, F5 Big-IP, network monitoring, cloud networking

Epic Games

Epic Games spans across 25 countries with 46 studios and 4,500+ employees globally. For over 25 years, we've been making award-winning games and engine technol…

Media Services Software Engineer

London

  • Skills: C++, WebRTC, real-time communication, distributed systems, APIs, debugging, optimizing, C APIs, build systems, synchronous and asynchronous

Version1

Python Developer

London

  • Skills: trading, FIX protocol, software development, trading systems, Python, financial, algorithms, performance, reliability, collaboration

Sony Interactive Entertainment

PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The Pla…

Distributed Systems Research Engineer - PlayStation

London

  • Skills: distributed systems, service architecture, prototyping, network protocols, data analysis, system components, performance optimization, parallel computing, network infrastructure, cloud systems
  • Type: Full-time

Cisco

Cisco is a leading technology company specializing in networking, security, collaboration, and observability solutions, and the provider of ThousandEyes, a Dig…

Senior Software Engineer (C++) - Endpoint Client

London

  • Skills: C++, multi-threaded, asynchronous, network programming, Linux, MacOS, Windows, API, system development, integration

DNEG

DNEG Animation is a world-class studio that creates high-end animated feature films and episodic content for audiences all over the world.

Pipeline Supervisor

London

  • Skills: Pipeline, Supervisor, Visual effects, Animation, Python, Linux, DCC packages, Maya, Houdini, Nuke
  • Experience: Proven experience at a supervisory/lead level in the Visual effects or Animation industry

NIQ

NIQ is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to …

Senior Network Engineer

London

  • Skills: Cisco, network protocols, Ansible, network performance, capacity planning, Infrastructure as Code, network automation, ITIL, network asset management, Wireless
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Cisco

Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network – even t…

Senior Software Engineer (C++)

London

  • Skills: C++14, Embedded Linux, Python, network measurements, QA testing, integration, automation, third-party libraries, agile, device performance
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

XTX Markets

XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial …

Software Developer - Shared Engineering

London

  • Skills: Go, Python, Linux, TCP/IP, automation, networking, CI/CD, Git, containerization, machine learning
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Axon

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and clou…

Staff Engineer / Engineering Manager

London

  • Skills: Firmware, Embedded Linux, Wireless Software, Connectivity, Testing, GNSS, Bluetooth, Security, Python, C/C++
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

DNEG

DNEG Animation is a world-class studio that creates high-end animated feature films and episodic content for audiences all over the world.

Pipeline Supervisor

London

  • Skills: Python, Linux, DCC packages, Maya, Houdini, Nuke, Renderman, Arnold, Mantra, VFX
  • Type: other
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}