Quant Platform/Infrastructure Engineer (Linux Systems)

Who We Are Our client is a quantitative hedge fund focused on systematic investment strategies and data-driven research. Technology plays a central role in the business, with infrastructure, data platforms, and research systems forming the foundation on which researchers and developers build, test, and deploy investment strategies. You will work directly alongside quantitative researchers and engineers to support and modernise the firm's research and production platforms. We welcome applicants from across the globe. Relocation support will be provided for suitable candidates. We Are Seeking: Quantitative Platform / Infrastructure Engineer This is a hands-on engineering role focused on infrastructure, production systems, databases, and data platforms. The successful candidate will take ownership of business-critical systems while helping modernise the platform through improved automation, deployment practices, containerisation, and platform tooling. Experience supporting quantitative research platforms, data-intensive environments, trading firms, hedge funds, or other performance-sensitive environments is highly valued. Key Responsibilities Maintain and improve Linux-based production infrastructureManage system reliability, performance, monitoring, security, and upgradesTroubleshoot issues across infrastructure, applications, databases, and data pipelinesOperate and optimise databases including MariaDB/MS SQL, MongoDB, and RedisSupport Airflow workflows and Python-based data processing jobsImprove CI/CD processes, deployment workflows, and platform automationContribute to containerisation initiatives and platform modernisationSupport research environments and distributed compute capabilities Requirements Strong Linux systems engineering experience (Red Hat or similar)Strong Python development and automation skillsGood understanding of relational databases and SQLExperience troubleshooting production systems and data pipelinesAbility to work independently and take ownership of critical infrastructureStrong problem-solving skills and operational mindset Highly Relevant Experience Airflow or workflow orchestration platformsCI/CD and DevOps practicesContainer technologies (Docker, Kubernetes, Podman, etc.)MongoDB, Redis, or similar database technologiesDistributed computing, HPC, or large-scale compute environmentsQuantitative research platforms or backtesting infrastructureInternal developer platforms and tooling What We're Looking For Strong sense of ownership and accountabilityComfortable balancing operational support with platform improvementsPragmatic engineer focused on reliability and business outcomesSomeone who enjoys solving difficult infrastructure and production problemsAbility to work closely with researchers and developers in a fast-moving environment Why Join Us Direct ownership of research and production infrastructureBroad exposure across systems, databases, data platforms, and DevOpsOpportunity to modernise and shape a growing quantitative platformClose collaboration with quantitative researchers and engineersHighly impactful role with significant autonomy Selby Jennings is a Trading Style of Phaidon International (License Number 16S8194)