Senior Infrastructure Engineer
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Requirements
• Experience designing, maintaining, and optimising AWS infrastructure (especially EC2, S3, CloudWatch, Lambda) • Knowledge of Databricks compute environments (e.g. clusters, pricing tiers, Photon, streaming jobs, auto-scaling settings, etc.) • Experience working with or implementing cost observability tools (e.g. CloudZero, CloudHealth, AWS Cost Explorer, FinOps dashboards) • Strong understanding of the relationship between infrastructure usage and cloud spend • Confidence working in infrastructure-as-code workflows (Terraform preferred) • Familiarity with containerisation technologies like Docker and Kubernetes • Experience scripting or automating repetitive tasks • Strong communication and documentation skills • Familiarity with orchestration platforms like Airflow and/or Databricks Workflows • Prior experience in a FinOps role or cost responsibility as part of a platform or infrastructure team • An interest in cryptocurrency and/or blockchain technology
Responsibilities
• You’ll be joining at a pivotal moment, as the first hire focused specifically on infrastructure optimisation. Working closely with engineers across our Core Platform and Data teams, you’ll help drive visibility into cloud usage, improve performance at scale, and guide better decision-making through tooling, automation, and collaboration. Your work will have a direct impact on how Elliptic grows, enabling us to operate more efficiently, maintain platform excellence, and scale our blockchain intelligence platform with confidence. • Design and build systems to monitor, manage, and optimise cloud infrastructure costs across AWS and Databricks • Implement cost observability tools, alerts, and dashboards to surface actionable insights to engineering teams • Collaborate with engineering teams to influence infrastructure and workload design for cost efficiency • Analyse trends in cloud service usage (e.g. EC2, S3, Databricks compute), identify bottlenecks or inefficiencies, and propose solutions • Build automation and self-service tools that enable developers to choose cost-effective patterns by default • Evaluate and implement AWS cost optimisation strategies (e.g. Savings Plans, Spot Instances, right-sizing) to improve efficiency and scale sustainably • Collaborate with Finance and Engineering to enhance cost visibility into cloud spend, improve forecasting accuracy, and strengthen cost allocation through better tagging practices. • Contribute to architecture design discussions and surface trade-offs between cost, performance, and scalability. • Enjoy owning cost and performance as an engineering problem • Are passionate about infrastructure optimisation, observability, and modern cloud tooling • Enjoy collaborating across teams and bringing clarity to complex system trade-offs • You strive for technical excellence but remain flexible and open-minded in your approach • Skilled at finding the sweet spot between short-term effectiveness and long-term strategy • Care about enabling other engineers to move faster, build resilient systems, and understand the impact of their choices
Benefits
• Hybrid working and the option to work from almost anywhere for up to 90 days per year • £500 Remote working budget to set up your home office space • > Learning & Development: • $1,000 Learning & Development budget to use on anything (agreed with your manager) that contributes to your growth and development • > Vacation/ Leave: • Holidays: 25 days of annual leave + bank holidays • An extra day for your birthday • Enhanced parental leave: we provide eligible employees, regardless of gender or whether they become a parent by birth or adoption, 16 weeks fully-paid leave and leave. • Private Health Insurance - we use Vitality! • Full access to Spill Mental Health Support • Life Assurance: we hope you will never need this - but our cover is for 4 times your salary to your beneficiaries • £100 Crypto for you! • Cycle to Work Scheme
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