Senior Site Reliability Engineer

Ledger: Making Digital Assets Accessible and Secure for Everyone 🔐

About Ledger

Founded in 2014, Ledger is the global platform for digital assets and Web3. With over 20% of the world's crypto assets secured through our Ledger Nanos, we're headquartered in Paris and Vierzon, with offices in the UK, US, Switzerland, and Singapore. Our team of more than 900 professionals is dedicated to developing a variety of products and services that enable individuals and companies to securely buy, store, swap, grow, and manage crypto assets. Our Ledger hardware wallets line has sold over 6 million units in 200 countries.

At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust, and Transparency. Hear from our employees about how they shape our work.

Primary Responsibilities

As a Site Reliability Engineer (SRE), you'll be a key member of Ledger's SRE team, driving technology transformation by launching new platforms, building tools, automating complex issues, and integrating with the latest technology.

  • Collaborate with the SRE Manager to ensure applications integrated by SRE are available, have full-stack observability, and continuous improvement through code and automation.
  • Bring a strong mix of software engineering, operations, and systems engineering experience to the role, with expertise in integrating complex systems.

In this role, you will:

  • Participate in building a DevOps/SRE culture and enable the transition to modern infrastructure management and deployment practices.
  • Help create the SRE team roadmap, anticipate stakeholder needs, identify game-changing technologies, and challenge scope and deadlines.
  • Perform integration of platform software components.
  • Design and deliver solutions to improve the availability, scalability, latency, and efficiency of systems.
  • Influence and create standards and best practices to support service level objectives.
  • Automate key SRE metrics, including SLOs/SLAs and error budgets.
  • Provide expert support to our level-2/application support team, troubleshoot priority incidents, and conduct post-mortems.
  • Apply analytics on past incidents and usage patterns to predict issues and take proactive actions.
  • Ensure control of technical debt and promote quality practices.
  • Follow SRE and chaos engineering approaches across all strategic systems to predict outages, improve solution availability, and prevent issues in coordination with Service Design.
  • Drive the adoption of self-healing and resiliency patterns such as circuit breaker, bulkhead, etc.
  • Design and conduct performance tests, identify bottlenecks, and find opportunities for optimization.

What We're Looking For

  • 5+ years of cloud engineering at scale, particularly in organizations operating SaaS solutions.
  • Proficiency in working in Unix/Linux environments, Git, Python, Terraform, Kubernetes, AWS cloud solutions and architectures, CI/CD tools, ArgoCD, Ansible, configuration management, etc.
  • Strong knowledge of observability practices, with experience implementing and managing Logging, Monitoring, and Alerting frameworks with solutions like Datadog or Prometheus/Grafana/Loki.
  • Experience in cross-functional work and the ability to demonstrate a collaborative approach to building key relationships across the organization, defining project scope, goals, plans, and deliverables.
  • "Customer-focused" with the ability to identify and understand both internal and external customer needs.
  • Creative problem-solving and analysis skills with the ability to identify, develop, and implement solutions to meet business needs.
  • Excellent presentation and written communication skills.
  • Ability to deal with ambiguity, high pressure, and rapidly changing environments.
  • Engineering degree.

What's in it for You?

  • Equity: As employees, you're the foundation of our success, and we award stock options so you can share in that success as we grow.
  • Flexibility: Enjoy a hybrid work policy.
  • Social: Participate in annual company outings for Ledgerdary Days, plus frequent social events, snacks, and drinks.
  • Medical: Get comprehensive health insurance coverage, including extensive medical, dental, and vision care.
  • Well-being: Access personal development, coaching, and fitness opportunities with our dedicated partners.
  • Vacation: Take advantage of five weeks of paid leave per year, in addition to national holidays and rest and relaxation (RTT) days.
  • High Tech: Use high-performance office equipment and gadgets, including Apple products.
  • Transport: Ledger reimburses part of your preferred means of transportation.
  • Discounts: Receive employee discounts on all our products.

We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability, or age.

#LI-HG #LI-Hybrid

Skills

Ops
Ansible
ArgoCD
Kubernetes
Terraform
Tooling
Datadog
Git
Gestion de projet
Management
No code
Make
Back-end

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