Senior Windows & SQL Server Administrator HPC / Analytics Platform

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Job Title

Senior Windows & SQL Server Administrator HPC / Analytics Platform

Job Summary

The role is responsible for owning and independently executing end-to-end operations of a Windows-based analytics and High-Performance Computing (HPC) platform with minimal supervision. The position focuses on maintaining platform stability, performance, security, and supporting migrations across onpremises and cloud environments.

Key Responsibilities

Platform Operations & HPC Administration

• Operate and support a Windows-based analytics platform running on Microsoft SQL Server and Microsoft HPC.
• Administer Microsoft HPC environments, including head nodes, compute nodes, and scheduling services.
• Monitor and manage compute-intensive workloads, ensuring stable and timely execution.
• Troubleshoot job execution issues such as:
• Queue backlogs
• Stuck or failed jobs
• Abnormal CPU utilization on compute nodes
  

HPC Cluster Health & Maintenance

• Maintain overall HPC cluster health, including:
• Node availability and state management
• Network connectivity and communication
• Perform controlled maintenance activities such as:
• OS patching
• Rolling reboots
• Platform upgrades
  

Windows Server Administration

• Execute routine Windows Server operations, including:
• OS patching and security updates
• Service monitoring
• Disk, CPU, memory, and network health checks
• Configure performance-sensitive OS settings to support high-demand workloads.
  
  

SQL Server Administration

• Administer Microsoft SQL Server instances, covering:
• Backup and restore validation
• Job monitoring and scheduling
• Index and statistics maintenance
• Transaction log and capacity monitoring
  

Troubleshooting & Support

• Troubleshoot cross-stack issues spanning:
• HPC scheduler and compute nodes
• Windows operating system and services
• SQL Server performance and availability
• Manage service accounts, permissions, and security configurations across platform components.
• Support incident, change, and problem management activities in line with IT service management processes.
  
  

Documentation & Coordination

• Maintain and update:
• Operational runbooks
• Health check procedures
• Disaster recovery documentation
• Coordinate with application, infrastructure, and database teams during critical processing windows.
  
  

Migration & Modernization Activities

• Plan and execute Windows and SQL Server workload migrations across datacenters, including:
• Dependency analysis
• Cutover coordination
• Post-migration validation
• Assess SQL Server workloads for migration to:
• Azure SQL Database
• Azure SQL Managed Instance
• Azure Virtual Machines
• Identify and remediate compatibility gaps during migration exercises.
• Support data migration, cutover, rollback planning, and post-migration performance stabilization across:
• Onpremises environments
• Cloud platforms
  

Decommissioning & Post-Migration Support

• Coordinate decommissioning of legacy servers following migrations.
• Update runbooks, monitoring, and support procedures after platform changes.
  
  

Required Skills & Experience (Implied From JD)

• Strong experience with Windows Server administration
• Hands-on expertise in Microsoft SQL Server
• Experience supporting Microsoft HPC environments
• Solid understanding of performance tuning, monitoring, and troubleshooting
• Experience with data center and cloud (Azure) migrations
• Ability to work independently and own end-to-end responsibilities