Last updated: 2025-05-22

44 Network And Systems Engineering jobs in London.

Hiring now: Field Application Engr @ Qnx, Sr Engr Xrp Ledger @ Ripple, Network Automation Engr @ Cloudflare, Linux Engr Mgr @ Jane Stree, Experiencedlateral Softwa @ Five Rings, Network Production Engr @ Meta, Python Dev @ Version1, Build And Release Team Me @ Worldquant, Distributed Systems Resea @ Sony Inter, Sr Firmware Engr @ Converge.Explore more at at kaamvaam.com

🔥 Skills

Python (19) C++ (16) Linux (13) automation (8) software development (7) distributed systems (7) scripting (5) Golang (4) routing protocols (4) BGP (4)

📍 Locations

London (43) Maidenhead (1)
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Qnx

Field Application Engineer Maidenhead
Skills & Focus: embedded systems, real-time operating system, RTOS, software development, customer relationships, Linux development, technical expertise, consultative sales, market concepts, C programming
About the Company: QNX enhances the human experience and amplifies technology-driven industries, providing a trusted foundation for software-defined businesses to thrive. The bus…
Experience: Experience in interfacing between customers and engineering; demonstrated software development, design, and architecture experience with a focus on embedded system development, real-time programming, or similar low-level programming with C, Assembly, or C++.
Type: Regular
Benefits: Attractive compensation, commission & benefits package, flexible working model, opportunity to work with state-of-the-a…

Ripple

Senior Engineer - XRP Ledger London
Skills & Focus: XRP Ledger, distributed systems, C++, blockchain technology, development, system architecture, mentoring, engineering best practices, cryptocurrency, scalable systems
About the Company: At Ripple, we’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, businesses, governmen…
Experience: At least 12+ years’ experience in designing and developing complex distributed systems; at least 5+ years as an architect or key contributor
Salary: Competitive salary, bonuses, and equity
Type: Full-time
Benefits: Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support; R&R day…

Cloudflare

Network Automation Engineer London
Skills & Focus: network automation, infrastructure, Unix/Linux, programming languages, Python, Golang, MySQL, Postgres, CI/CD, observability
About the Company: 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…
Experience: 5+ years of proven experience in hands-on server-side
Type: Full-time

Jane Street

Linux Engineer Manager London
Skills & Focus: Linux, System Engineering, Leadership, Project Management, Communication Skills, Partnerships, Analytical Skills, Unix Command Line, Systems Programming, Network Protocols
About the Company: Jane Street is a quantitative trading firm and liquidity provider, focused on technology and intellectual curiosity.
Experience: Strong technical background and solid leadership experience
Type: Full-time

Five Rings Llc

Experienced/Lateral - Software Developer London
Skills & Focus: C++, Python, trading software, Linux, trading strategies, exchanges, interfaces, performance engineering, mathematical models, distributed system
About the Company: 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…
Benefits: Total compensation packages are comprised of base salary and a discretionary bonus.

Meta

Network Production Engineer London
Skills & Focus: network, engineering, automation, network infrastructure, data center, routing protocols, BGP, OSPF, Python, Golang
About the Company: Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…
Experience: 2+ years of experience in network engineering or network-centric software development
Type: Full Time

Cloudflare

Software Engineer - Network Infrastructure (Rust, HTTP/3, Performance Testing) London
Skills & Focus: performance, HTTP/3, Rust, network, scaling, protocols, HTTP/2, proxies, transport protocols, cryptography
About the Company: 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…
Network Automation Engineer London
Skills & Focus: network automation, programming, Python, Golang, MySQL, Postgres, CI/CD, containers, virtualization, systems Observability
About the Company: 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…
Experience: 2+ years of proven experience

Meta

Production Engineer London
Skills & Focus: production engineering, cloud infrastructure, load balancers, relational databases, messaging systems, software development, distributed systems, operating systems, TCP/IP networks, scalability
About the Company: Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…
Experience: 4+ years experience
Type: Full Time

Version1

Python Developer London
Skills & Focus: trading, FIX protocol, software development, trading systems, Python, financial, algorithms, performance, reliability, collaboration

Worldquant

Build and Release Team Member London
Skills & Focus: software development, build automation, release management, Linux environments, DevOps, scripting, Python, C++, problem solving, communication skills
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predi…
Experience: Minimum of 1 year of experience in a technical leadership and managerial role.
Build and Release Team Member London
Skills & Focus: software development, build automation, release management, Linux environments, DevOps, scripting, Python, C++, problem solving, communication skills
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predi…
Experience: Minimum of 1 year of experience in a technical leadership and managerial role.
Build and Release Team Member London
Skills & Focus: software development, build automation, release management, Linux environments, DevOps, scripting, Python, C++, problem solving, communication skills
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predi…
Experience: Minimum of 1 year of experience in a technical leadership and managerial role.

Five Rings Llc

Experienced/Lateral - Linux Systems Administrator London
Skills & Focus: Linux administration, Debian, Ubuntu, BIND, Ansible, Linux KVM, Zabbix, Google workplace, scripting, cybersecurity
About the Company: 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…

Worldquant

Software Engineer London
Skills & Focus: C++, Linux, system programming, distributed systems, data structures, algorithms, high-performance applications, concurrency patterns, Python, streaming systems
About the Company: WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets, seeking to produce high-quality predi…
Experience: 7 years of experience in writing production-quality code in C++ on Linux

Sony Interactive Entertainment

Distributed Systems Research Engineer - PlayStation London
Skills & Focus: distributed systems, service architecture, prototyping, network protocols, data analysis, system components, performance optimization, parallel computing, network infrastructure, cloud systems
About the Company: 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…
Type: Full-time
Benefits: Opportunities to participate in global hackathons, learn about latest techniques, relaxed working environment, competit…

Jane Street

Network Analyst London
Skills & Focus: Network Analyst, automation, DevOps, LAN, WAN, routing protocols, scripting, AI integration, monitoring systems, collaborative spirit
About the Company: Global trading firm involved in fast-paced trading and internet connectivity.
Experience: Experience with LAN/WAN networks
Type: Full-time

Converge

Senior Firmware Engineer London
Skills & Focus: Firmware engineering, Zephyr RTOS, Embedded systems, Bluetooth Low Energy, LoRaWAN, C/C++ development, ARM Cortex-M, Automated testing, Power optimization, Cloud integration
About the Company: Converge was founded to help build the future of construction more efficiently, safely, and sustainably. The company focuses on concrete, which accounts for 8%…
Experience: 5+ years of firmware engineering experience, with at least 2 years working with Zephyr RTOS.
Salary: £65k
Type: Full-time
Benefits: Competitive salary, collaborative work environment, 25 days + Bank Holidays, company pension, Cycle to Work Scheme, tea…
Senior Firmware Engineer London
Skills & Focus: Firmware engineering, Zephyr RTOS, Embedded systems, Bluetooth Low Energy, LoRaWAN, C/C++ development, ARM Cortex-M, Automated testing, Power optimization, Cloud integration
About the Company: Converge was founded to help build the future of construction more efficiently, safely, and sustainably. The company focuses on concrete, which accounts for 8%…
Experience: 5+ years of firmware engineering experience, with at least 2 years working with Zephyr RTOS.
Salary: £65k
Type: Full-time
Benefits: Competitive salary, collaborative work environment, 25 days + Bank Holidays, company pension, Cycle to Work Scheme, tea…

Cloudflare

Senior Windows Software Engineer London
Skills & Focus: Windows internals, kernel-mode programming, network protocols, Windows driver development, high-quality code, low-complexity code, easily-testable code, multithreaded code, VPN technologies, security protocols
About the Company: 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…
Experience: in-depth knowledge of Windows internals, kernel-mode programming, and network protocols; experience in low-level Windows driver development, ideally network drivers, and experience writing very high-quality and low-complexity code with thorough documentation
Salary: $137,000 - $198,000
Type: Full-time
Benefits: Medical/Rx Insurance, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Commuter Spending Accounts, Ferti…

Quadraturecapital

Systems Infrastructure Team Member London
Skills & Focus: Linux, C++, Python, grid computing, Infrastructure, Systems Operations, Systems Engineering, Information Security, Network Engineering, Automated Trading System

Meta

Network Production Engineer, Infrastructure London
Skills & Focus: Network Production Engineer, automation, network deployment, network device configurations, Python, BGP, MPLS, Linux, software debugging, distributed systems
About the Company: Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…
Experience: 2+ years of experience developing and understanding network device configurations for at least one network vendor (e.g. Arista, Juniper, Cisco, Brocade, Ciena, Infinera, Nokia, etc.). 2+ years of coding experience in at least one programming language (e.g. Python, Go, C++, or Java).
Type: Full Time

Columbia Threadneedle Investments

Network Engineer (Cisco) London
Skills & Focus: network design, network engineering, routing and switching, automation, troubleshooting, network performance, technical leadership, capacity planning, information technology, network monitoring
About the Company: 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…
Experience: Extensive, relevant networking experience required.
Type: Full-time
Benefits: We appreciate that work-life balance is an important factor for many when considering their next move so please discuss…

Epic Games

Senior Networking Programmer London
Skills & Focus: networked multiplayer games, server performance, stability, C++, latency optimization, bandwidth management, game networking concepts, developer efficiency, real-time technology, cross-disciplinary development
About the Company: 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…
Experience: Experience shipping networked multiplayer games
Type: Full-time
Benefits: We pay 100% for benefits except for PMI (for dependents). Our current benefits package includes pension, private medica…

Pioneering Electronic And Quantitative Trading Company

Linux Kernel Engineer London
Skills & Focus: Linux Kernel, High-Frequency Trading, System Performance, Collaboration, Engineering, Modules Development, Infrastructure Maintenance, Problem Solving, Optimization, Technological Innovations
About the Company: Dedicated to leveraging technological innovations for improved financial solutions.
Type: Full-time
Linux Kernel Engineer London
Skills & Focus: Linux Kernel, High-Frequency Trading, System Performance, Collaboration, Engineering, Modules Development, Infrastructure Maintenance, Problem Solving, Optimization, Technological Innovations
About the Company: Dedicated to leveraging technological innovations for improved financial solutions.
Type: Full-time
Linux Kernel Engineer London
Skills & Focus: Linux Kernel, High-Frequency Trading, System Performance, Collaboration, Engineering, Modules Development, Infrastructure Maintenance, Problem Solving, Optimization, Technological Innovations
About the Company: Dedicated to leveraging technological innovations for improved financial solutions.
Type: Full-time

Cisco

Senior Software Engineer (C++) - Endpoint Client London
Skills & Focus: C++, multi-threaded, asynchronous, network programming, Linux, MacOS, Windows, API, system development, integration
About the Company: Cisco is a leading technology company specializing in networking, security, collaboration, and observability solutions, and the provider of ThousandEyes, a Dig…

Wintermute

Core Developer London
Skills & Focus: algorithmic trading, crypto, C++, Python, high-frequency trading, Linux, PostgreSQL, quantitative research, DeFi, clean code
About the Company: Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets, providing liquidity algorithmically across cryptocurrency excha…
Experience: Experienced developer
Type: Full-time
Core Developer London
Skills & Focus: algorithmic trading, crypto, C++, Python, high-frequency trading, Linux, PostgreSQL, quantitative research, DeFi, clean code
About the Company: Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets, providing liquidity algorithmically across cryptocurrency excha…
Experience: Experienced developer
Type: Full-time
Core Developer London
Skills & Focus: algorithmic trading, crypto, C++, Python, high-frequency trading, Linux, PostgreSQL, quantitative research, DeFi, clean code
About the Company: Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets, providing liquidity algorithmically across cryptocurrency excha…
Experience: Experienced developer
Type: Full-time

Playstation

Staff Linux Network Software Engineer London
Skills & Focus: Linux Kernel networking, Kubernetes network primitives, eBPF, TCP/IP, network overlay, Kubernetes, Internet routing, C, Rust, Golang
About the Company: 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…
Experience: Minimum of 10 years of relevant development experience
Type: Full-time

Meta

Production Engineer London
Skills & Focus: Production Engineer, Hadoop data warehouses, UNIX, TCP/IP, PHP, Python, C++, Java, internet service architectures, capacity planning
About the Company: Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…
Experience: 7+ years of experience in UNIX and TCP/IP network fundamentals, 7+ years of coding experience
Type: Full Time

Drw

Network Engineer London
Skills & Focus: network architecture, implementation, automation, Python, TCP/IP, BGP, OSPF, multicast, security, CCNP
About the Company: DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…
Experience: Minimum 3 years of Network Engineering experience.

Xtx Markets

Software Engineer London
Skills & Focus: C++, Python, algorithm, data structures, performance trade-offs, Linux, high performance, trading technology, distributed filesystem, parallel computation
About the Company: 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…
Experience: Practical experience designing and implementing software systems is a plus.
Type: Full-time
Benefits: Onsite gym, sauna, and fitness classes at no charge; Extensive medical benefits including an on-site doctor and therapi…

Epic Games

Media Services Software Engineer London
Skills & Focus: C++, WebRTC, real-time communication, distributed systems, APIs, debugging, optimizing, C APIs, build systems, synchronous and asynchronous
About the Company: 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…
Benefits: We pay 100% of the premiums for both you and your dependents. Our coverage includes Medical, Dental, a Vision HRA, Long…

Dv Trading

Linux Engineer London
Skills & Focus: Linux, performance tuning, configuration management, automation, infrastructure-as-code, networking fundamentals, storage systems, system performance analysis, virtualization/VMWare, Agile and DevOps
About the Company: 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…
Experience: 5+ years of experience in Linux engineering, debugging, administration, and OS system provisioning (PXE/DHCP/TFTP/Grub)
Type: Full-time
Benefits: Discretionary bonus eligibility, Medical, dental, and vision insurance, HSA, FSA, and Dependent Care options, Employer …
Linux Engineer London
Skills & Focus: Linux, performance tuning, configuration management, automation, infrastructure-as-code, networking fundamentals, storage systems, system performance analysis, virtualization/VMWare, Agile and DevOps
About the Company: 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…
Experience: 5+ years of experience in Linux engineering, debugging, administration, and OS system provisioning (PXE/DHCP/TFTP/Grub)
Type: Full-time
Benefits: Discretionary bonus eligibility, Medical, dental, and vision insurance, HSA, FSA, and Dependent Care options, Employer …
Linux Engineer London
Skills & Focus: Linux, performance tuning, configuration management, automation, infrastructure-as-code, networking fundamentals, storage systems, system performance analysis, virtualization/VMWare, Agile and DevOps
About the Company: 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…
Experience: 5+ years of experience in Linux engineering, debugging, administration, and OS system provisioning (PXE/DHCP/TFTP/Grub)
Type: Full-time
Benefits: Discretionary bonus eligibility, Medical, dental, and vision insurance, HSA, FSA, and Dependent Care options, Employer …

Blockchain.Com

Software Engineer London
Skills & Focus: C/C++ development, metaprogramming, Java, Python, SQL, Multithreading, Network programming, Interprocess Communication, trading system architecture, high throughput low latency systems
About the Company: 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…
Experience: Extensive experience in C/C++ development, including metaprogramming.
Salary: Full-time salary based on experience and meaningful equity in an industry-leading company
Type: Full-time
Benefits: Unlimited vacation policy; work hard and take time when you need it; Apple equipment; the opportunity to be a key playe…

Ripple

Senior Software Engineer - C++ London
Skills & Focus: XRP Ledger, blockchain, software development, C++, distributed systems, technology, mentoring, security, scalability, engineering excellence
About the Company: Ripple is building a world where value moves like information, aiming to improve the global financial system through crypto solutions for financial institution…
Experience: 10+ years of hands-on software development, with at least 4+ years as a tech lead
Salary: Competitive salary, bonuses, and equity
Type: Full-time
Benefits: Competitive benefits covering physical and mental healthcare, retirement, family support, and more; includes R&R days, …

Jane Street

Senior Network Engineer London
Skills & Focus: Senior Network Engineer, network infrastructure, routing protocols, AI/ML enhancements, Linux environments, automating workflows, network design, documentation, collaborating on projects, network performance
About the Company: Jane Street is a trading firm that specializes in quantitative and technology-driven trading experiences in both high-frequency and traditional trading environ…
Experience: 7+ years of experience in network infrastructure and 3+ years of ground-up network design
Type: Full-time
Network Engineer London
Skills & Focus: network security, firewalls, routing protocols, BGP, network troubleshooting, Public Key Infrastructure, modern encryption techniques, overlay networks, programming, collaborative environment
About the Company: Jane Street’s numerous distributed systems are built on an agile, reliable, multi-vendor network infrastructure that supports all traffic profiles, from tradin…
Experience: 7+ years of experience operating and deploying network infrastructure
Type: Full-time

Drw

Software Engineer London
Skills & Focus: Software Engineer, trading tools, full stack software, Python, Java, Rust, collaborate, network programming, Linux environment, Docker
About the Company: DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets aro…
Experience: Have a minimum of 2+ years’ experience using Java or Python, or have demonstrated the ability to learn new languages quickly