Windows Infrastructure Engineer: £90,000 + Bonus (Prestigious FinTech firm)

ZipRecruiter; London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading fintech trading firm is seeking a Windows Security Engineer to join their core platform team. This role offers the chance to innovate in a fast-paced environment, focusing on Windows infrastructure and collaboration with traders and developers. Candidates should have deep experience with Windows Server and strong scripting skills. The firm is known for its tech-first culture and high-performance systems.

Qualifications

• Deep experience with Windows Server in a high-availability environment.
• Experience in fast-paced, demanding environments—finance, trading, or similar tech-driven industries.

Responsibilities

• Architecting, building, and automating Windows infrastructure.
• Monitoring and improving performance across enterprise-scale platforms.
• Owning mission-critical systems and solving complex engineering problems.

Skills

PowerShell

Active Directory

Scripting

DNS/DHCP

SCCM/Intune

Job description

Job Description

Job Title: Windows Security Engineer

Client: Fintech Firm

Salary: Up to £90,000 + Bonus

Location: London

Client

Our client is one of the most technically advanced, high-performance Fintech trading firms in the world. They are renowned for their tech-first culture, deep engineering talent, and complex, high-speed systems. Furthermore they are a genuine bunch of people operating a tight knit friendly culture in a stunning office space.

Role

You would be joining the core Windows platform team. This is not your average infrastructure role. This is an opportunity to drive real innovation in a fast-paced, low-latency trading environment.

• Architecting, building, and automating Windows infrastructure
• Working on integrating Office systems/software e.g. M365
• Working closely with internal stakeholders—traders, developers, researchers—to understand real-time requirements and deliver robust, scalable systems
• Monitoring and improving performance across enterprise-scale platforms
• Owning mission-critical systems and solving complex engineering problems

Qualifications/Skills Required:

• Deep experience with Windows Server in a high-availability environment
• Scripting with PowerShell (bonus: Python or other automation tools)
• Strong knowledge of Active Directory, GPO, DNS/DHCP, SCCM/Intune
• Experience in fast-paced, demanding environments—finance, trading, or similar tech-driven industries

If interested, then please apply with your updated CV or reach out.

Email: [e-mail]