Senior Infrastructure Engineer - Hyper-V Clustering, Windows Server, SQL and Storage Spaces Direct

freelance.ca; Berlin; Remote; EUR 40.000 - 60.000; Vollzeit

Zusammenfassung

A tech consulting company is seeking a Senior Infrastructure Engineer to manage and optimize Windows Server infrastructure and Azure services. The ideal candidate will have extensive experience with Hyper-V clustering and SQL Server Always On in enterprise environments. Responsibilities include maintaining infrastructure, automating operations, and ensuring high availability. This is a full-time, remote position offering a competitive day rate.

Qualifikationen

• Deep expertise with Windows Server clustering and PowerShell automation.
• 5+ years in enterprise Windows infrastructure, specifically Hyper-V and SQL Server.
• Strong understanding of Azure services and hybrid cloud integration.

Aufgaben

• Maintain & optimize Hyper-V clusters and Storage Spaces Direct.
• Manage SQL Server Always On availability groups and clustering.
• Automate infrastructure with PowerShell and Ansible.

Kenntnisse

Windows expertise

Hyper-V clustering

SQL Server Always On

PowerShell automation

Azure services

Enterprise networking

Disaster recovery

English communication

Tools

Hyper-V

SQL Server

Azure

Docker

Grafana

Prometheus

Jobbeschreibung

Location: European Union - Remote

Project Duration: 12+ months

Commitment: Full-time

Business Language: German, English

In your application, please include the following :

Why are you fit for the role?

Latest available start date?

Day rate?

As part of their Tech Transformation 2.0 initiative, our client is upgrading their technology stack and accelerating automation across core systems. The newly assembled tech & product team plays a critical role in building scalable, efficient, and modern solutions to replace manual workflows, boost delivery speed and increase efficiency overall. In addition, the team is working on transforming the business into a true platform model.

We are looking for a hands‑on Senior Infrastructure Engineer to maintain and optimize our sophisticated hybrid infrastructure environment. You will manage enterprise‑grade Windows Server infrastructure with Hyper‑V clustering, Storage Spaces Direct, and SQL Server Always On, while integrating modern Azure cloud services. You will operate with high autonomy across multiple Hetzner datacenters and Azure tenants.

What you'll do :

• Maintain & optimize Multinode Hyper‑V clusters with Storage Spaces Direct (NVMe / HDD tiers) and failover clustering across multiple datacenters
• Manage SQL Server Always On availability groups, clustering, and mirroring with dedicated high‑performance networks
• Automate infrastructure operations with PowerShell scripting, Ansible playbooks, and Bicep templates for Azure resources
• Monitor & respond to infrastructure alerts using Grafana / Prometheus / Loki stack, and Azure Application Insights
• Implement VLAN segmentation, Network QoS policies, and BitLocker encryption across all critical systems
• Deploy & manage containerized applications via Docker with automated CI / CD pipelines from Azure DevOps to on‑premises
• Execute live migrations, cluster maintenance, and zero‑downtime procedures while maintaining SLA compliance
• Plan & execute capacity planning, management and expansion; storage scaling, and multi‑datacenter backup strategies with automated replication
• Ensure ISO 27001 compliance monitoring, security event analysis, and comprehensive documentation

Who we're looking for :

• Deep Windows expertise : Demonstrable mastery of Windows Server clustering, Storage Spaces Direct architecture, SMB multichannel optimization, and PowerShell automation; ability to troubleshoot complex failover scenarios and storage performance issues
• 5+ years experience with Hyper‑V clustering, SQL Server Always On, and enterprise Windows infrastructure in production environments
• Expert knowledge of failover clustering (CSV, fault domains, quorum), Storage Spaces Direct (tiered storage, resiliency), and high‑availability architectures
• Solid experience with Azure services (DevOps, Monitor, Active Directory), Infrastructure as Code (Bicep / ARM), and hybrid cloud integration
• Hands‑on expertise in enterprise networking (VLANs, QoS), SSL certificate management, and security monitoring
• Strong understanding of SQL Server clustering, Always On availability groups, database mirroring, and backup / recovery strategies
• Proven track record managing mission‑critical infrastructure with 99.9%+ uptime requirements and comprehensive disaster recovery
• Ability to work self‑directed in complex enterprise environments, handle critical incidents, and communicate clearly in English (C1 / C2)

Nice to have : Experience with

• Hetzner data centers
• IIS administration
• Wazuh SIEM
• Container orchestration (Docker / Portainer)