Production Operations & Infrastructure Lead (Trading Systems)

ROLE PURPOSE You will own the reliability of our production trading systems and the infrastructure they run on. You will work closely with traders, our in-house and vendor developers, clients, SGX colocation operations and service providers to resolve issues quickly and deliver changes safely. OUR ENVIRONMENT • Distributed, message-based architecture with services written mainly in Go. • Desktop trading applications built on Electron. • Infrastructure across SGX colocation, Microsoft Azure and client premises. KEY PROJECTS IN YOUR FIRST 12 MONTHS • Build out our new SGX colocation rack: equipment installation, fiber cross-connects, connectivity testing and go-live, using a newly completed leased line from our key client office. • Lead the infrastructure and testing side of our migration to ITCH, including industry test sessions and production cut-over. KEY RESPONSIBILITIES Production operations • Run system health checks and monitor availability, alerts and performance. • Respond to issues reported by traders: assess impact, work with developers, and coordinate resolution and service validation. • Maintain incident records, runbooks, escalation procedures and follow-up actions. Infrastructure management • Set up, maintain, tune and monitor servers, operating systems, networks, storage, internet connectivity and alerting across SGX colocation, Azure and client premises. • Coordinate SGX colocation equipment installation, cross-connects, circuits, connectivity testing, and physical or network handoffs. • Troubleshoot colocation and connectivity issues, working with SGX colocation operations, network providers, vendors, clients and internal teams through to resolution. • Maintain network diagrams, circuit records and vendor contacts. Support capacity planning, security, backup and recovery.Release quality and delivery • Coordinate functional and non-functional work across in-house and vendor developers using practical Agile practices. • Reproduce issues and test fixes from a trader's point of view, including replaying relevant scenarios before and after changes. • Coordinate deployments, rollback plans and post-deployment checks. Keep change logs and documentation up to date. Protocol migration and industry testing • Plan and run testing for the migration to ITCH protocl, including connectivity, certification and regression testing. • Represent the firm in exchange and industry test sessions, and coordinate fixes with developers and vendors. • Plan and support cut-over and rollback for migration releases. REQUIREMENTS • At least 5 years' experience supporting production systems, including incident investigation and release coordination. • Hands-on experience with servers, operating systems, networking, connectivity and monitoring tools. • Experience with colocation or data centre operations, including physical installation and cabling. • Experience supporting electronic trading systems, such as order routing, market data or execution platforms. • Ability to test trading workflows and explain technical issues clearly to traders, developers and vendors.- Comfortable working independently in a small team and owning outcomes end to end. GOOD TO HAVE • Experience with SGX colocation or SGX connectivity. • Experience with FIX or exchange-native trading protocols. • Experience operating message-based or pub/sub systems (e.g. message queues, event streaming). • Ability to read and debug Go services, including logs, builds and deployments. • Experience supporting Electron or other desktop applications on trader workstations. • Experience with low-latency networking or market data distribution. • Experience with Microsoft Azure. • Experience with a previous exchange protocol migration.