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ENET Engineer Whitehall Resources are currently looking for a ENET Engineer based in London 3 days a week, remainder remote for an initial 6-month contract. *INSIDE IR35.* Role Description Key Responsibilities: Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with Front Office trading and regulatory needs. Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure. Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation. Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and life cycle management. Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements. Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence. Conduct deep-dive post-incident analysis and forensic reviews during high-impact market events (eg, non-farm payroll), using packet analysis to identify systemic improvements. Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation. Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment. Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making. Champion continuous improvement and innovation, driving technology adoption in monitoring, resiliency, and incident response tooling. Key Skills: Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis. Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous. Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs. Experience supporting Real Time trading applications, including feed handlers, matching engines, and algo trading platforms. Strong working knowledge of messaging Middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments. Proficient in Scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows. Knowledge of FIX, market data, and order routing protocols in a trading environment. Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks. Comfortable working across Linux systems, hybrid infrastructure, and global production environments. Excellent communication and reporting skills, with ability to translate technical data into actionable business insights. All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description. Whitehall Resources are an equal opportunities employer who value a diverse and inclusive working environment. All qualified applicants will receive consideration for employment without regard to race, religion, gender identity or expression, sexual orientation, national origin, pregnancy, disability, age, veteran status, or other characteristics.