WAN, LAN, and data centre network architectures. Strong fundamentals in Routing & Switching, including experience configuring routing for BGP, OSPF, or EIGRP and familiarity with multicast protocols (IGMP, PIM). CCIE Proficiency in Linux, covering boot sequence, service management, file, process, network, and kernel management. Ability to deploy and operate monitoring More ❯
and interpersonal skills. Ability to work independently and as part of a team in a fast-paced environment. Nice to Haves: Experience working with multicast technologies. Knowledge of automation tools such as Ansible or Python scripting. Salary Compensation package up to £125,000 (Depending on experience) Location: Central London, UK. More ❯
and managing resilient, low-latency environments is particularly welcome Demonstratable skills with standard network protocols: OSPF, BGP, BFD, VRRP, HSRP, RSTP Working knowledge of multicast architecture and protocols including PIM-SM and IGMP v2 Experience in the configuration of multi-VRF environments Exposure to configuring the Zabbix monitoring platform or More ❯
designing, implementing, and troubleshooting complex network environments. Confident working with firewalls, VPNs, and data centre switching (Fortigate, Cisco, Arista) and understanding protocols like BGP, multicast, and PTP. Familiar with Linux environments and capable of writing scripts and automating tasks. Comfortable juggling project work and BAU support while keeping an eye More ❯
Deep knowledge of broadcast technologies and workflows, including contribution, distribution, encoding, decoding, transcoding, routing, and monitoring. Expert-level understanding of IP networking principles, protocols (multicast, QoS), and architectures for media transport. Proven track record of designing and implementing complex broadcast and network solutions for live event transmission. Strong experience in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hawksworth
technologies (e.g. MPLS, leased lines). Solid understanding of routing protocols (BGP, OSPF), IP addressing, and network segmentation. Investment Trading Environment experience ITIL VMWARE Multicast expertise Nice to haves: Experience with Ipanema or other legacy WAN optimisation technologies. Familiarity with global networks in regulated or tightly controlled environments (e.g., finance More ❯
including our Datacentre Network Fabrics and Office Networks; Global WAN & Edge Connectivity including connections to Internet and Cloud; Customer & Markets Connectivity including Low Latency & Multicast technologies; Application Network Connectivity including Firewall, Load Balancer and DNS/IPAM technologies. You will own our internal customers’ cross-product requirements, define the work More ❯
technologies while actively pursuing further accreditation, is important. Expertise spanning LAN, WAN, HSRP, NAT, MPLS, VPN, GRE, BGP, and OSPF is vital. Knowledge of multicast concepts, including IGMP, RP, and PIM, is beneficial. Familiarity with low-latency technologies commonly deployed in the financial sector is advantageous. Excellent knowledge of network … valuable. Understanding cloud environments and possessing knowledge of network security, including standard processes, is beneficial. Familiarity with load balancing technologies, TCP/IP, and multicast in internet environments is important. Proficiency in required Service Management processes, ideally with ITIL knowledge, is advantageous. Exposure to the financial sector and its associated More ❯
including our Datacentre Network Fabrics and Office Networks; Global WAN & Edge Connectivity including connections to Internet and Cloud; Customer & Markets Connectivity including Low Latency & Multicast technologies; Application Network Connectivity including Firewall, Load Balancer and DNS/IPAM technologies. You will own and handle a product roadmap to deliver network products More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
system operations, engineering, or performance tuning in enterprise or trading environments. Experience with High Performance Computing (HPC) Deep understanding of network protocols (TCP, UDP, multicast) and low latency networking principles. Hands-on experience with kernel tuning and kernel development. Familiarity with configuration management tools such as Ansible, Chef, or Terraform. More ❯
familiarity with native exchange protocols Experience in SQL (PostgreSQL, MySQL, MS SQL) Familiarity with Kdb+ is a plus Working knowledge with TCP/IP, multicast, tcpdump, clocking (PTP, NTP) – a plus Bachelor’s Degree in Computer Science, Engineering or related subject Highly organized, detailed, control oriented, enjoys solving problems and More ❯
risk management. Working knowledge of the design of scalable, high availability, supportable distributed architectures. Working knowledge of messaging and communication protocols including TCP, UDP, multicast, and data encoding . Working knowledge of FIX and SBE protocol. Working understanding of SQL and simple DDL operations. Excellent oral and written communication skills More ❯
requirements. Technical & Analytical Skills: Proficiency with Python, SQL, and scripting languages (e.g., PowerShell, C#). Hands-on experience with FIX Protocol, messaging systems (e.g. multicast, TCP), and network debugging. Experience across Windows and Linux environments. Proven ability to work with instrument static data, market data systems, and OMS/EMS More ❯
Ideally, familiarity with native exchange protocols Experience in SQL (PostgreSQL, MySQL, MS SQL) Familiarity with KDB+ is beneficial Working knowledge with TCP/IP, multicast, TCPdump, clocking (PTP, NTP) Beneficial Bachelors degree in computer science, Engineering or related subject Highly organized, detailed, control oriented, enjoys solving problems and brings in More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
in Python, SQL, and scripting (e.g., PowerShell, C#). Experience with FIX protocol and trading platforms like TT, Bloomberg, NYFIX. Familiar with TCP/multicast and system deployment across Linux and Windows. Nice to Have Experience building or supporting algorithmic trading systems. Exposure to third-party networks and vendor management. More ❯
and deep performance analysis Knowledge of fast messaging and data serialization technologies for high-speed environments Proficiency in networking concepts, including TCP/UDP, multicast, and low-level optimizations like DPDK or kernel bypass Mastery of concurrent programming, including lock-free algorithms and shared memory architecture Practical experience with Linux More ❯
near Real Time network status. Collaborating closely with network operations and service teams, we will provide in-depth technical support and guidance for all multicast- and WAN-related issues and implementations. This role requires a proactive problem solver with a deep understanding of multicast protocols, WAN infrastructure, and a passion … MPLS, VPLS, LDP, GRE, BGP, OSPF, and ISIS within a VRF context for L2/L3VPN services, Traffic Engineering, and RSVP. Comprehensive knowledge of multicast concepts, including PIM-SM, PIM-SSM, IGMP, MVPN, and MLDP. Proficiency in product-aligned, service-focused work, with a solid grasp of network automation, SRE … tools like JIRA. Excellent skills in network packet analysis and packet capture tools for troubleshooting. Familiarity with load balancing technologies, TCP/IP, and multicast in Internet environments. Understanding of low-latency technologies commonly used in the financial sector. Experience in Data Centre Networking, including Software-Defined Networking (SDN), Cisco More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting an IT Network Engineer for a global Investment Banking client in London. Term – 6 months initially Location: London/Liverpool St location Rate: Inside IR35 – Up to £668 per day The client has received significant investment More ❯
City of London, London, United Kingdom Hybrid / WFH Options
NineTech
with hybrid working arrangements based in Central London . Key Responsibilities Design, implement, and support robust network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency … performance (latency, throughput, availability) on critical links. Assist with network automation initiatives and maintain accurate documentation. Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior More ❯
and implement high-performance C++17/20 components for ETF quoting, hedging, and execution systems. Build and maintain market connectivity layers (FIX, binary protocols, multicast) for ETF venues and exchanges. Develop real-time pricing engines for ETF baskets, including NAV tracking, fair value modeling, and arbitrage logic. Engineer deterministic, lock … Proven experience in low-latency trading systems, preferably in ETFs, equities, or delta-one products. Strong knowledge of networking protocols (TCP/UDP, FIX, multicast), kernel bypass, and hardware timestamping. Experience with real-time market data processing, order book construction, and tick-to-trade pipelines. Experience with exchange simulators, backtesting More ❯