Remote Wintel Engineer & Systems Integrator (Contract)

Hamilton Barnes; Aberdeen City; Remote; GBP 74,000 - 83,000; Full time

Benefits offered by this job

Remote work

Job summary

Hamilton Barnes is seeking an experienced Windows Infrastructure Engineer for a pure-play Wintel contract. The role focuses on active directory, GPOs, patch management, and building/troubleshooting enterprise Windows environments across multi-site estates.

Responsibilities include design and maintenance of AD, PKI, clustering, VDI/RDS, deployment tooling, and automation with PowerShell. Remote work available for this six-month engagement in the UK.

Responsibilities

• Administer multi-site Active Directory: domain controllers, FSMO roles, sites & services, replication troubleshooting (repadmin, dcdiag)
• Design, apply, and troubleshoot Group Policy Objects (GPOs), security baselines, software deployment, login scripts, folder redirection
• Manage Certificate Services (PKI), issuing CAs, certificate templates, auto-enrollment, renewals
• Build and maintain Windows Failover Clusters (Cluster Shared Volumes, quorum config, cluster-aware updating)
• Own patch management via WSUS/SCCM/MECM, patch rings, compliance reporting, emergency out-of-band patching
• Administer file services, DFS-N/DFS-R, NTFS and share permissions, quota/FSRM policies
• Support RDS/Citrix session host environments, RDS licensing, session collections, profile management (UPD/FSLogix)
• Build servers from imaging/deployment tooling (MDT, SCCM OSD, or template-based VM builds)
• Manage VMware vSphere or Hyper‑V hosts and guest performance for Windows workloads
• Write PowerShell for build automation, bulk AD administration (New-ADUser, bulk GPO reporting), and health-check scripting
• Monitor and tune server performance (Perfmon, Resource Monitor, Event Viewer/Event Log correlation)
• Troubleshoot Kerberos/NTLM authentication issues, time sync (NTP/W32Time), and DNS resolution problems
• Manage backup/restore and DR testing for Windows server workloads (Veeam/Commvault)
• Support server decommissioning, OS upgrades (e.g. 2012 R2 ? 2019/2022), and AD/Entra ID hybrid sync (Azure AD Connect/Entra Connect)
• Maintain build standards, runbooks, and change documentation (ITIL-aligned)

Job description

Hamilton Barnes is seeking an experienced Windows Infrastructure Engineer for a pure-play Wintel contract. The role focuses on active directory, GPOs, patch management, and building/troubleshooting enterprise Windows environments across multi-site estates.

Responsibilities include design and maintenance of AD, PKI, clustering, VDI/RDS, deployment tooling, and automation with PowerShell. Remote work available for this six-month engagement in the UK.