MARGO

MARGO is hiring an experienced ITS Application Services Engineer to join a Global Markets technology team. You'll support and enhance the low-latency infrastructure powering electronic trading systems - ensuring connectivity, performance, and reliability across FX and Fixed Income platforms. Location: Hybrid, Central London Your mission: Deliver and maintain a world-class, low-latency trading environment - managing messaging middleware, network connectivity, observability tooling, and capacity planning to meet front-office demands. What you'll do: Connectivity & Monitoring Deploy and support global market connectivity (Solace/Tibco, multicast, TCP/IP) across 30+ sitesImplement SRE principles: automated health checks, alerting, SLIs/SLOs, and capacity forecasts Incident & Performance Management Lead deep-dive post-incident analyses (e.g., market events), using packet captures (Wireshark/tcpdump/Corvil)Maintain dashboards (Geneos, Prometheus, Grafana) for proactive issue detection Automation & Resiliency Build scripts (Python/Bash/PowerShell) and IaC for self-healing systems and reduced manual toilExecute lab-based testing and benchmarking for new connectivity solutions Collaboration & Delivery Partner with global network, platform, and development teams to onboard applications and define standardsOwn change-management processes, operational handoffs, and documentation (topologies, runbooks) Technical fit - what we're looking for: Strong background in low-latency networking : TCP/IP, multicast, traffic shaping, performance tuningProven experience with messaging middleware (Solace, 29West, Tibco, LBM) in performance-sensitive environmentsHands-on packet analysis using Wireshark , tcpdump , Corvil (custom decoder skills a bonus)Scripting/automation with Python , Bash , or PowerShell Familiarity with observability platforms (ITRS Geneos, Prometheus, Grafana)Experience supporting real-time trading applications , feed handlers, matching enginesExcellent communication-able to translate technical metrics into business insights Nice to have: Exposure to FIX/market-data protocols and order-routing architectures Hands-on use of CI/CD pipelines and IaC tools (Terraform, Ansible) Experience with capacity planning and error-budget management Tech stack & skills: Middleware: Solace/Tibco/LBM Networking: TCP/IP, multicast, BGP/OSPF, traffic shaping Monitoring: ITRS Geneos, Prometheus, Grafana, Corvil Automation: Python, Bash, PowerShell, IaC Systems: Linux (Red Hat/CentOS), hybrid cloud infrastructure Recruitment process: Intro call with MARGO Talent Acquisition Technical deep-dive with Margo consultant Metting with the bank's hiring team

MARGO is partnering with a leading financial institution to find a Senior C# WPF Developer with experience in Risk and Profit and Loss. Knowledge of Greeks is important in this role. What you'll do: Design & Development Build and enhance high-performance WPF C# applications Collaboration & Delivery Work closely with trading desks, pricing heads, and global infrastructure teams Participate in sprint planning, estimation, and regular status reporting Maintain accurate technical documentation, topology diagrams, and release records Quality & Compliance Develop unit tests and automated test suites Follow all legal, regulatory, and internal compliance standards (e.g., market-abuse regulations) Contribute to change-management processes, ensuring minimal business disruption Tech stack & skills: Deep expertise in WPF and C# Agile delivery mindset; rapid prototyping and iterative improvement Systematic reasoning, transparency, and accountability Ability to juggle competing priorities with a solutions-driven attitude Continuous learner: eager to adopt new technologies and share insights Technical fit - what we're looking for: Degree (or equivalent) in Computer Science, Engineering, Mathematics, or related field 6+ years' experience building WPF C# desktop applications in a high-performance trading environment WHAT'S NEXT? First meeting: You will meet with a Talent Acquisition Manager and a member of the executive committee to discuss your background, professional goals, and learn more about MARGO and the opportunities we offer. Challenge yourself: Participate in commercial negotiation simulations with one of your future managers, who will also provide feedback based on their experience. Final motivation interview: You will meet MARGO's partners to confirm mutual fit and discuss your vision and aspirations. APPLY NOW As an employer, MARGO offers equal employment opportunities regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. MARGO is committed to fostering an inclusive work environment that reflects the diversity of its teams, and several actions are taken daily to achieve this!

We are seeking a Senior Network Engineer to join an exciting infrastructure transformation project within a leading investment banking environment. After years of organic growth, the trading network is now undergoing a major overhaul with fresh investment focused on latency-sensitive electronic trading systems. This is an opportunity to drive real architectural change, implement automation, and work closely with developers and application teams to redesign the network for performance, scalability, and resilience. Location: Hybrid, London (3 days per week in office) Your mission: You'll join a tight-knit, agile team with broad responsibilities across the trading and corporate networks. Your focus will be to: Drive network automation using tools like Ansible Re-architect the network to improve latency and scalability Act as the bridge between infrastructure and trading/application teams Ensure stable operations and lead troubleshooting in production environments ️ What you'll bring: Proven experience in low-latency, high-availability trading environments Strong hands-on knowledge of Arista network equipment and architecture Proficiency in network automation, especially using Ansible Deep knowledge of routing protocols (OSPF, BGP) and IP transmission (Unicast/Multicast) Experience working with market brokers and direct market connectivity Strong skills in packet-level analysis and root cause troubleshooting Ability to capture business/application needs and translate them into technical solutions Previous exposure to firewalls, proxies, load balancers (LTM/Web Gateway) Nice to have: CCIE certification or equivalent experience Key responsibilities: Design, document, and deploy new infrastructure following "network-as-code" principles Own high- and low-level design (HLD/LLD) and support knowledge sharing with global ops teams Serve as the senior escalation point for London-based trading network issues Collaborate with global peers and vendors to manage implementation and upgrades Support and optimise monitoring, capacity planning, and incident response Recruitment process: Intro call with our Talent Acquisition team Technical interview Final meeting with the engineering and project leads Apply now: As an employer, MARGO offers equal employment opportunities regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. MARGO is committed to fostering an inclusive work environment that reflects the diversity of its teams, and several actions are taken daily to achieve this!