Hybrid Senior Infrastructure Engineer

at Elliptic

• Job title: Senior Infrastructure Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Cloud, Docker, EC2, Kubernetes, Terraform
• Location requirements: Hybrid, London, United Kingdom

About the role

• Infrastructure Engineer optimizing cloud infrastructure and costs for blockchain analytics. Join the Core Platform team at Elliptic driving efficiency and scalability.

Responsibilities

• 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.

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

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
• $1,000 Learning & Development budget to use on anything (agreed with your manager) that contributes to your growth and development
• 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