Job Description:
ITO Wintel Engineer – Job Description
Role Summary:
The Wintel Engineer provides Level 3 support for Windows Server, VMware vSphere and Microsoft Hyper-V across DXC-managed customer environments, maintaining performance, availability and security through OS patching, hardening, capacity monitoring, VM lifecycle management and incident resolution within agreed SLAs. Required experience spans design, implementation and day-to-day support of:
Windows Server OS versions 2016–2025
WSUS and SCCM configuration
RDS configuration for remote access from end points
Working within ITIL-aligned processes, the engineer implements approved changes, maintains accurate CMDB records and runbooks, validates backup and failover readiness, and supports vulnerability remediation. Complex or architectural issues are escalated to senior engineers with clear diagnostics and recommended next steps.
Due to the nature of the work and the customers we support, the successful candidate must be eligible to meet UK Government and contractual personnel security requirements, including the applicable residency requirements for the role, and have the right to work in the United Kingdom. Some roles may also be subject to nationality requirements where these are necessary to meet UK Government or contractual security obligations.
Please note the role will require 5 days on-site in Hampshire.
Key Responsibilities:
Monitor server and virtualisation CPU, memory, storage and network utilisation; report trends and threshold breaches to the team lead for capacity planning.
Maintain CMDB records for Windows Server and virtualisation assets, including relationships, dependencies and lifecycle status.
Contribute to patching schedules and maintenance planning; coordinate change sequencing to minimise service disruption.
Raise recurring Windows Server and virtualisation incidents through Problem Management, supplying diagnostics for root-cause investigation.
Implement fixes and workarounds from problem records under senior engineer guidance to prevent recurrence.
Update runbooks, standard operating procedures and knowledge articles to reflect current configurations, known errors and lessons learned.
Contribute observations and improvement suggestions to post-incident reviews and continual service improvement.
Provide customer stakeholders with clear, timely updates on planned changes, maintenance windows and service impacts.
Coordinate cross-domain dependencies with Network, Storage, Security and Application teams, particularly for patching, VM migrations and infrastructure changes.
Update incident managers and relevant stakeholders on technical progress, impact and expected resolution times.
Support approved Windows Server and virtualisation changes, including OS deployments, VM provisioning, template updates and configuration changes.
Validate builds against hardened security baselines and organisational standards before production deployment.
Validate guest workload backup and failover readiness; confirm successful backup jobs and documented, tested failover procedures.
Maintain current, accessible architecture diagrams and technical documentation for server and virtualisation environments.
Build and configure physical and virtual Windows Servers to hardened baselines compliant with CIS benchmarks or equivalent organisational standards.
Deploy, patch and maintain Windows Server operating systems through approved change processes, coordinating with Change Management within agreed maintenance windows.
Provision, clone, snapshot, resize, migrate and decommission VMs across VMware vSphere and/or Hyper-V.
Apply OS hardening and local security policies; use templates and automation where available for consistent, repeatable builds.
Resolve L3 Windows Server and virtualisation incidents(RDS, SCCM, WSUS), including OS failures, performance degradation, service crashes, VM availability and storage connectivity issues.
Diagnose faults using native Windows tools,…