Wintel Engineer

Job Title: Wintel Engineer
Location: London 3x a week
Salary/Rate: up to £367 Daily
Start Date: 15/08/26
Job Type: Initial 6 month contract inside IR35

Company Introduction

We are seeking an experienced Wintel Engineer with a strong background in Financial Services to support and enhance enterprise Windows-based infrastructure within a highly regulated environment. The successful candidate will be responsible for the administration, maintenance, and optimisation of Wintel platforms, ensuring high availability, security, and compliance.

• Manage and support Windows Server environments (2016/2019/2022).
• Administer Active Directory, Group Policy, DNS, DHCP, PKI, and Azure AD.
• Support VMware virtualisation platforms and enterprise storage solutions.
• Deliver infrastructure upgrades, migrations, patching, and remediation activities.
• Monitor infrastructure performance, troubleshoot incidents, and provide 3rd line support.
• Ensure adherence to security, audit, regulatory, and operational risk requirements.
• Collaborate with application, security, network, and cloud teams to deliver infrastructure projects.
• Produce technical documentation and participate in disaster recovery and business continuity testing.

• Proven Wintel Engineering experience within a Financial Services or banking environment.
• Strong knowledge of Windows Server, Active Directory, DNS, DHCP, Group Policy, and PKI.
• Experience supporting VMware vSphere environments.
• Familiarity with Azure, Microsoft 365, and hybrid cloud technologies.
• Experience with infrastructure monitoring, automation, and ITSM processes.
• Understanding of security and regulatory requirements within regulated organisations.
• Strong troubleshooting, stakeholder management, and communication skills.

• Microsoft or VMware certifications.
• Experience with Power Shell scripting and infrastructure automation.
• Knowledge of SQL Server, backup technologies, and disaster recovery processes.

Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.

Square One is an equal opportunities recruitment business.

Square One embraces diversity and will treat everyone equally.

Please see our website for our full diversity statement.