Role Title: Elastic EngineerLocation: London | Hybrid - 60% Office, 40% RemoteStart Date: ASAPDuration: 31/03/2026Rate: £430p/d via Umbrella

Key Responsibilities:

* Expert-level knowledge of the Elastic Stack (Elasticsearch, Logstash, Kibana, Beats), with proven experience in architecting, deploying, and managing ELK infrastructure across distributed, high-performance environments.* Strong understanding of index lifecycle management (ILM), shard optimization, and cluster health monitoring to support low latency applications.* Practical and working knowledge of IP networking and data flow within distributed systems.* Experience integrating ELK with packet capture/analysis tools to enhance observability of real-time systems.* Hands-on expertise in data pipeline creation, ingestion strategies, and performance tuning of Logstash and Beats for scalable telemetry.* Knowledge of Corvil and/or Pico tools is highly beneficial but not essential, particularly for ingesting network telemetry into Elasticsearch.* Scripting proficiency in Python and/or PowerShell to automate ELK deployment, monitoring, and alerting pipelines.

* Experience designing and working with APIs (REST/JSON/XML) and integrating third-party data sources into the ELK stack.* Exposure to Solace, 29West, Tibco, or other low latency messaging platforms is advantageous for understanding event-driven architectures in financial systems.* Familiarity with trading infrastructures and protocols (FIX, Market Data, Order Entry, etc.), with a deep understanding of the demands of high-frequency and algorithmic trading environments.* Working knowledge of security best practices, including RBAC, TLS, and audit logging in Elasticsearch.* Experience with observability platforms such as ITRS Geneos and their integration with ELK is a strong plus.* Comfortable with multi-site replication, cross-cluster search, and disaster recovery configurations for global deployment.* Strong understanding of Linux systems, containers, and cloud-native observability stacks.* Organized, self-driven, and able to manage priorities in a dynamic, high-performance trading environment.

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