Principal Infrastructure Engineer

This is a fully remote position, open to applicants in France.

📋 Description

• Take ownership of the technical architecture and advancement of core infrastructure.

• Recognize system limitations and implement enhancements to support increased traffic, data volumes, and workload complexities.

• Link business workflows to their impacts across applications, data, and infrastructure.

• Create capacity models, conduct load and stress tests, diagnose bottlenecks, and validate improvements in throughput, latency, saturation, and costs.

• Design resilient architectures for AWS accounts, IAM, networks, and services.

• Develop and manage the Kubernetes platform, including lifecycle automation, workload isolation, autoscaling, upgrades, and deployment reliability.

• Scale and optimize Aurora RDS for MySQL and Postgres, focusing on queries, indexes, connections, replication, failover, schema changes, and migrations.

• Establish service-level objectives and error budgets; implement failure isolation, backpressure, load shedding, and safe retries.

• Engage in on-call duties and lead technical recovery during critical incidents.

• Design, test, and document disaster recovery, backup, restoration, and failover mechanisms.

• Construct infrastructure-as-code and automate operations.

• Enhance metrics, logs, traces, dashboards, and actionable alerts.

• Ensure safe infrastructure migrations with phased rollouts, validations, and rollback strategies.

• Boost cloud cost efficiency through resource sizing, utilization, autoscaling, and storage optimization.

• Develop and assess AI-assisted tools for incident investigation, runbooks, anomaly analysis, and toil reduction.

• Draft architecture proposals, assess technology tradeoffs, review shared infrastructure changes, and document system operations and failure modes.

• Collaborate with application engineering, Security, Compliance, and engineering leadership.

⛳️ Requirements

• A Bachelor's degree in Computer Science or a related technical field (required).

• Over 12 years of experience in infrastructure, platform, site reliability, software development, or related engineering disciplines.

• Extensive production experience with AWS, covering compute, IAM, multi-account architectures, VPC design, and private connectivity.

• Profound production knowledge of Kubernetes, including cluster lifecycle, scheduling, resource management, autoscaling, networking, and troubleshooting.

• In-depth expertise with RDS/Aurora MySQL and/or Postgres at scale.

• Proven track record of delivering infrastructure scaling improvements personally.

• Strong coding and automation capabilities using Golang, Python, or similar languages.

• Experience in infrastructure-as-code with Terraform or equivalent tools.

• Solid understanding of systems fundamentals in Linux, networking, DNS, TLS, storage, concurrency, and distributed system failure modes.

• Experience managing a 24/7 high-availability platform.

• Hands-on experience in incident response and postmortem remediation.

• Willingness to participate in an on-call rotation.

• Experience in implementing and testing disaster recovery against established recovery objectives.

• Practical knowledge of observability, load testing, capacity planning, and safe CI/CD practices.

• Active use of AI tools in engineering or operations.

• Capability to navigate ambiguous technical challenges from investigation through to production delivery.

• Preferred: Knowledge of EKS, fintech/payments/banking, multi-region architectures, chaos engineering, Prometheus, Grafana, Loki, Tempo, internal platform capabilities, self-service tools, and AI-assisted operational automation.

🏝️ Benefits

• Competitive gross monthly compensation ranging from $12,500 to $20,800 USD based on location and experience.

• Remote work opportunities.

• Chance to engage with cutting-edge fintech, cloud infrastructure, Kubernetes, AWS, and AI-assisted tools.

• Open-source-focused technology environment.