Diagnose and resolve issues across distributed platform components and deployment scenarios, including head nodes, compute nodes, broker nodes, databases, job scheduling, node-management services, Service-Oriented Architecture (SOA) runtime, Representational State Transfer (REST) application programming interfaces (APIs), NET interfaces, PowerShell, monitoring, diagnostics, high availability, Windows Server, supported Linux compute nodes, and Azure infrastructure. Lead the investigation and resolution of complex engineering issues, including Customer Service and Support (CSS) escalations, security vulnerabilities, reliability problems, installation and upgrade failures, workload-scheduling issues, node communication failures, and hybrid-cloud deployment issues.