Windows Infrastructure Engineer

Spencer Rose Ltd; London; On-site; GBP 75,000 - 80,000; Full time

Job summary

A leading hedge fund in Central London is seeking a Windows Infrastructure Engineer to enhance their IT infrastructure. The role involves deploying Windows Server solutions, managing security platforms, and ensuring system availability. Candidates should have at least 5 years of experience, particularly in financial services, and be ready to work in-office 4 days a week.

Qualifications

• At least 5 years of experience as a Windows Systems Engineer.
• Experience in Financial Services environment is essential.

Responsibilities

• Deploy and support enterprise Windows Server and Microsoft 365 solutions.
• Manage and optimise the Windows server estate.
• Implement and manage security platforms.

Skills

Active Directory Services

Networking Concepts

Scripting

Communication

Job description

14th May 2025

Infrastructure

London

£75,000 - £80,000 per annum + annual discretionary bonus

Windows Infrastructure Engineer
Central London (4 days in office)
£75,000 – £80,000 per annum + annual discretionary bonus

On behalf of a Leading hedge fund, I have an exciting opportunity for a Windows Infrastructure Engineer to make an immediate impact on challenging infrastructure projects, driving automation, security, and efficiency across the IT infrastructure in a collaborative working environment. The successful candidate will be a hands-on engineer who supports a highly available IT infrastructure.

The role requires applicants to commit to a non negotiable 4 days per week in the office.

Responsibilities:

• Deploy and support enterprise Windows Server 2012-2022 and Microsoft 365 solutions (Entra ID, Exchange, Endpoint Manager, Teams, Conditional Access) to meet organizational needs and following best practices
• Manage and optimise the Windows server estate, focusing on on-prem infrastructure.
• Perform system maintenance, such as applying patches and updates to ensure availability, optimal performance and security of IT infrastructure
• Monitor system performance and proactively identify/resolve issues
• Maintain detailed documentation of system setup, configuration, procedures and change
• Implement and manage security platforms including endpoint protection and patch management to protect data and shared IT infrastructure
• Manage backup solutions to ensure data recovery and resiliency
• Work as part of the Infrastructure and Systems Engineering team to plan and execute larger IT projects, such as system upgrades, migrations, and deployments
• Take ownership of ongoing Windows-related projects, driving them forward and ensuring timely completion
• Keep up to date with the latest technologies, security vulnerabilities and industry best practices
• Ensure that systems and user activities comply with organizational policies and any relevant legal or regulatory frameworks
• Troubleshoot and resolve system issues and outages.

Skills/Experience required:

• The ideal candidate will have at least 5 years of applied experience as a Windows Systems Engineer with additional experience of supporting enterprise level applications based on a Windows/O365 environment.
• Experience working in Financial Services environment is essential
• Proven experience as a Windows System Administrator or currently in a similar role
• Solid understanding of Active Directory Services (DNS/DHCP/FSMO/ADFS/SSO/ADCS)
• Experience of Bloomberg/Reuters trading applications highly advantageous.
• Solid understanding of networking concepts, including TCP/IP, LAN/WAN
• Scripting skills desirable (eg PowerShell, Batch Scripting) for automating routine tasks and deployments
• Strong written, oral, and interpersonal communication skills
• Ability to troubleshoot systems issues and applications in a logical and level-headed manner.