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iSAM is an innovative, financial technology firm specialising in quantitative trading, comprised of iSAM Funds and iSAM Securities. iSAM Securities regulated by the FCA, SFC, and CIMA registered, is a leading algorithmic trading firm and trusted electronic market maker, providing liquidity, technology and prime services to institutional clients and trading venues globally. The firm offers full-service prime brokerage and execution via its cutting-edge proprietary technology, as well as market leading analytics, cleared through the group’s bank Prime Brokers. iSAM Funds is an alternative asset manager specialising in systematic investing. Each strategy is unique, provides a specialist quantitative approach and is designed to deliver highly diversifying absolute returns for institutional portfolios.   About the Role: We're looking for a highly skilled DevOps Engineer to join our DevOps Engineering team. You'll work on the infrastructure and delivery systems that quants, traders and developers rely on every day — where latency, reliability and security carry real financial weight. This is a hands-on engineering role with genuine ownership. You'll work directly with development teams to design, automate and optimise deployment workflows across a hybrid AWS and on-prem environment, building the tooling and platforms that let the rest of the firm move fast and safely. If you enjoy treating infrastructure as a product and want your work to have immediate, measurable impact, this is a role where you'll see exactly that. Responsibilities Architect, implement and manage scalable infrastructure across AWS and on-prem, applying cloud security best practices and cost-optimisation strategies. Design and maintain reusable Terraform modules for Infrastructure-as-Code, with a strong emphasis on consistency, testing and reuse across teams. Automate configuration management and system provisioning using Packer and Ansible. Build and own CI/CD pipelines for fast, reliable software delivery. Develop and maintain automation tooling and scripts, preferably in Python or Go. Deploy, manage and scale containerised workloads with Kubernetes and Helm, including authoring Helm charts, templates and pipelines. Run and improve our GitOps delivery model (ArgoCD, Atlantis, etc) Manage and tune OpenSearch clusters. Administer and optimise Linux-based systems for security, performance and reliability. Partner with developers to enhance tooling, streamline deployments and remove friction from the development experience. Troubleshoot and resolve infrastructure, deployment and application issues across the stack.   Qualifications: 5+ years architecting, implementing and managing scalable infrastructure on AWS. Strong networking fundamentals and a track record of diagnosing tricky networking issues. Solid experience with monitoring and logging tools (e.g. Prometheus, Grafana, ELK / OpenSearch). Comfort scripting and building automation in Python or Go. A pragmatic approach to balancing speed and accuracy when making technical decisions   Personal Attributes  Clear communicator — you explain technical concepts concisely to technical and non- technical audiences alike. Adaptable — you adjust quickly to new technologies and unexpected challenges. Analytical — you break complex problems down logically and methodically. Collaborative — you prioritise team success over individual wins and support teammates as they learn and troubleshoot. Accountable — you follow through on commitments and own your mistakes. Proactive with a growth mindset — you take initiative, seek feedback, and continually look for ways to improve skills and workflows.