Solace Middleware Engineer - ENET

We are seeking an expert-level Senior Solace Middleware Engineer to spearhead the support, management, and long-term evolution of our enterprise Solace messaging infrastructure. In this role, you will act as the platform owner for the messaging bus that underpins our global FX and Fixed Income trading businesses. You will work directly with global development teams, network infrastructure specialists, and trading stakeholders to design resilient, ultra-low latency messaging architectures, onboard critical new applications, and maintain flawless operational stability during high-volume market hours.

Responsibilities

Architect, administer, and optimize the enterprise Solace PubSub+ platform (physical appliances and software brokers); Configure and performance-tune Solace brokers, message VPNs, queues, topic hierarchies, and client profiles; Manage high-availability configurations and implement Dynamic Message Routing (DMR); Define and enforce messaging standards, naming conventions, and governance frameworks; Partner with global development teams to integrate trading applications with Solace message streams; Design topic hierarchies, multicast messaging standards, and subscription patterns; Own end-to-end application onboarding process onto ENET platform; Deploy and maintain custom monitoring dashboards using ITRS Geneos and Corvil; Manage network and application connectivity to external FX and FI trading venues; Architect data pipelines from Solace message streams to backend analytics databases; Troubleshoot messaging bottlenecks and data loss incidents during market hours; Script operational tasks using Python, Shell, and SQL; Participate in on-call rotation and weekend change-management rota

Requirements

10+ Years of Experience: A proven track record supporting high-performance technical platforms or core infrastructure within Capital Markets or Electronic Trading environments; Subject Matter Expertise in Solace: Deep, expert-level knowledge of the Solace PubSub+ ecosystem, including guaranteed/direct messaging patterns, VPN configuration, bridges, SEMP API, and DMR; Low-Latency Networking: Strong underlying knowledge of Linux/Unix administration focused on network performance tuning, specifically with multicast messaging protocols, packet captures (tcpdump, Wireshark), and diagnosing data loss at the OS level; Trading Workflow Domain Knowledge: Clear understanding of pre-trade workflows in FX/FI markets, including pricing engines, Request for Quote (RFQ), order management, and common serialization formats (FIX, JSON, Protobuf); Monitoring Tooling: Practical experience configuring enterprise monitoring setups inside ITRS Geneos and leveraging Corvil network analytics; Automation Scripting: Proficiency in Python and Shell scripting, alongside solid SQL database skills for data persistence tracking

Nice to have

Solace Certified Administrator; Solace Certified Developer; Docker; Kubernetes; Kafka; Flink; ITIL change-management frameworks

Benefits

Flexible hybrid-working options; Access to complex Front Office and Risk UI platforms; Strong emphasis on engineering quality and clean front-end architecture; Real-time, performance-sensitive UI challenges; Human-sized consultancy with close support and long-term focus; Long-term career opportunities across engineering and architecture