Lead Principal Core Infrastructure Engineer

Responsibilities

• Lead architecture and design of scalable, interdependent distributed systems for hyperscale workloads.
• Identify and resolve performance and scalability bottlenecks while defining scalability requirements with stakeholders.
• Design fault-tolerant systems with redundancy, replication, automatic failover, consistency and availability strategies, and in-service upgrade capabilities.
• Define KPIs, telemetry, dashboards, alerting, SLO-aligned availability and durability standards, and operational readiness procedures.
• Apply formal verification techniques and develop robust data replication and synchronization strategies.
• Advise on complex production troubleshooting, lead incident response and root-cause investigations, and establish standards for operational support.
• Architect security controls for multi-tenant environments, lead vulnerability remediation, and ensure cloud infrastructure compliance.
• Develop enterprise-level Infrastructure as Code automation and change strategies for patching, updates, and rollbacks.
• Mentor teams, influence cross-functional and external stakeholders, manage critical initiatives, and contribute to hiring and talent development.

Requirements

• Deep expertise designing highly scalable, fault-tolerant, interdependent distributed systems and data plane platforms.
• Experience addressing hyper-scale performance, high-throughput processing, elasticity, redundancy, replication, failover, network unreliability, and data synchronization.
• Experience with reliability engineering, operational readiness, incident response, root-cause analysis, telemetry, alerting, and SLO-based availability and durability standards.
• Ability to apply formal verification techniques such as TLA+ to complex system features.
• Experience architecting security controls, remediating vulnerabilities, and maintaining cloud infrastructure compliance.
• Experience developing enterprise automation and Infrastructure as Code strategies for safe operational change.
• Demonstrated technical leadership, cross-functional influence, mentoring, thought leadership, and participation in hiring and talent development.

Benefits

• Competitive benefits including flexible medical, life insurance, and retirement options.
• Volunteer programs that support community engagement.
• Accessibility assistance and reasonable accommodations are available during the employment process.
• The stated California hiring range is CAD $123,900 to $203,600 per annum.