DNS Info Ltd
Senior Infrastructure Engineer — Hyper-V Virtualization & Infrastructure Engineering
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Location: Glasgow (5 days Onsite)
Senior Infrastructure Engineer — Hyper-V Virtualization & Infrastructure Engineering
We're looking for a talented, senior engineering professional ready to take their career to new heights at one of the world's most influential companies.
You will engineer and operate enterprise-scale Microsoft Hyper-V virtual infrastructure across global data centers. You will apply depth and breadth of knowledge across multiple domains — hypervisor platforms, storage, networking, clustering, performance engineering, and security compliance — to deploy, optimize, and maintain virtual infrastructure that supports tens of thousands of workloads across multiple regions.
This role sits within the Compute Engineering team, which owns the full lifecycle of virtual infrastructure: hypervisor deployment and upgrade, cluster operations, performance engineering, storage optimization, workload management, and compliance remediation. A separate hardware engineering function handles server certification, firmware lifecycle management, and hardware lab validation. You will collaborate closely with hardware engineering — evaluating hardware BOMs for performance characteristics specific to Hyper-V and providing technical feedback — but your primary focus is the virtualization platform layer and above. You will work across Windows Server and Hyper-V clustering, storage subsystems, and automation tooling — maintaining and extending a custom.NET-based workload management platform as needed. You will provide stewardship to other engineers through technical guidance, peer review, and design documentation. Experience with Hyper-V at enterprise scale is a strong differentiator.
Job Responsibilities
Architecture & Systems Design
- Design and maintain Hyper-V cluster architectures including failover clustering, live migration, storage configuration, and network topology across global data center pools.
- Evaluate hardware BOMs proposed by hardware engineering for Hyper-V performance characteristics — processor/memory ratios, storage throughput, network bandwidth, and overcommit suitability — and provide technical feedback to inform procurement decisions.
- Audit performance of complex virtual infrastructure across the full stack — compute, storage, networking, and hypervisor layers — and maintain architecture artifacts (high-level design documents, decision records, diagrams) using firmwide tooling.
- Develop and document reference architectures and best practices for Hyper-V cluster deployment, storage configuration, and workload placement.
Coding
- Create and maintain automation for virtual infrastructure lifecycle management — provisioning, configuration, patching, compliance enforcement, and decommissioning of Hyper-V workloads — using PowerShell, WMI, and the team's.NET-based workload management platform.
- Write PowerShell scripts for host configuration management, inventory collection, cluster operations, and firmware deployment across the Hyper-V fleet.
- Maintain and extend the existing C# /.NET 8 workload management platform as needed — including the server-side orchestration API, distributed worker engine, and Windows client agent components.
- Provide stewardship to other engineers in support of quality delivery — peer reviewing automation scripts, infrastructure designs, and technical documentation.
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Automation & Continuous Delivery
- Advocate for and implement infrastructure automation, identifying opportunities to automate, combine, or simplify operational processes with a focus on scalability versus resource use.
- Develop and maintain automation for Hyper-V host configuration, cluster provisioning, rolling upgrades, and compliance enforcement using PowerShell DSC, scripts, and the team's workload management platform.
- Support and evolve CI/CD pipelines for infrastructure automation tooling, including multi-environment deployment and automated testing.
Distributed Systems Design & Development
- Plan and execute Hyper-V cluster upgrades, Windows Server rolling upgrades, and hypervisor patch rollouts across production environments with zero or minimal downtime.
- Troubleshoot production issues across the virtual infrastructure stack — hypervisor, clustering, storage, and networking layers — using structured logging, event tracing, performance counters, and vendor diagnostic tools.
- Consider all risks, potential environmental impacts, and FinOps implications when designing and implementing infrastructure changes.
Data Fluency
- Identify appropriate data sources and apply appropriate methodologies when making data-based recommendations for capacity planning, performance optimization, and hardware procurement decisions.
- Conduct storage and compute performance benchmarking using industry and internal tooling (e.g., elbencho, VMFleet, diskspd) to validate hardware configurations and inform deployment decisions.
- Deliver against defined SLOs and SLAs; track and reduce events leading to errors or risks.
Cross-Functional
- Collaborate with hardware engineering on server platform evaluation, providing Hyper-V-specific performance requirements and validation feedback.
- Collaborate with vendor partners (Microsoft) on Hyper-V roadmap alignment, feature adoption, and escalation support.
- Collaborate effectively across infrastructure engineering, operations, security, and capacity planning teams.
- Leverage AI-assisted tooling for research, prototyping, and automation development to accelerate engineering cycles.
- Contribute to team and organizational goals.
- Champion the firm's culture of diversity, opportunity, inclusion, and respect.
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Required Qualifications, Capabilities, and Skills
- 5+ years of hands-on experience in infrastructure engineering with demonstrated depth and breadth of knowledge across multiple domains (virtualization, storage, networking, Windows Server administration).
- Strong expertise in Microsoft Hyper-V at enterprise scale: failover clustering, live migration, storage spaces / S2D, virtual networking (Hyper-V virtual switch, SET), and Windows Server administration.
- Strong proficiency in PowerShell scripting for infrastructure automation, host configuration management, WMI-based inventory collection, and operational tooling.
- Demonstrated ability to audit performance of complex infrastructure architecture across the full stack and to maintain architecture artifacts (design documents, decision records, diagrams).
- Experience with storage performance analysis and optimization in virtualized environments — benchmarking, capacity planning, and storage policy design.
- Ability to evaluate hardware BOMs for Hyper-V suitability — assessing processor/memory ratios, storage I/O characteristics, network throughput, and overcommit profiles.
- Experience with infrastructure automation and configuration management tools (DSC, SCCM, Ansible, or equivalent) at data center scale.
- Experience advocating for and implementing infrastructure automation — CI/CD pipelines, operational process improvement, and configuration-as-code — with a focus on scalability versus resource use.
- Track record of providing stewardship to other engineers through technical guidance, design review, and documentation.
- Degree in Computer Science, Computer Engineering, Information Systems, or a related technical field.
Preferred Qualifications, Capabilities, and Skills
- Experience with Windows Server Failover Clustering (WSFC) and Storage Spaces Direct (S2D) at enterprise scale.
- Experience with additional hypervisors (VMware ESXi, KVM, etc.) — production experience with dual-hypervisor environments is a plus.
- Familiarity with server hardware architecture (Intel Xeon, AMD EPYC, NVMe storage, GPU accelerators) sufficient to evaluate hardware proposals for Hyper-V workload suitability.
- Experience with network fabric integration in virtualized environments — VLAN, SDN, load balancing, and network adapter teaming.
- Working knowledge of C# /.NET for maintaining and extending infrastructure automation platforms.
- Experience with Microsoft System Center (VMM, SCOM, SCCM) at enterprise scale.
- Experience with security compliance remediation — Qualys vulnerability management, break management, and security baseline enforcement.
- Experience with performance testing frameworks (elbencho, VMFleet, diskspd, fio or similar) for storage and compute validation.
- Familiarity with using generative AI
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