Windows Engineer (security): £165,000 + Bonus (Prestigious FinTech firm)

JR United Kingdom; Southampton; On-site; GBP 100,000 - 165,000; Full time

Job summary

A prestigious FinTech firm in Southampton seeks a Windows Security Engineer to join their core Information Security team. This is an exciting opportunity to innovate in a fast-paced trading environment, focusing on firmwide security projects, system integration, and complex engineering problems. Candidates should have deep experience in Infrastructure Security and high-availability Windows environments.

Qualifications

• Deep experience with Infrastructure Security technology.
• Experience with Windows Server in high-availability environments.
• Scripting with PowerShell; Python is a bonus.

Responsibilities

• Architecting, building, and automating Windows infrastructure.
• Working closely with internal stakeholders to deliver robust, scalable systems.
• Monitoring and improving performance across enterprise-scale platforms.

Skills

Infrastructure Security technology

Windows Server

PowerShell

Active Directory

Scripting

DNS/DHCP

SCCM/Intune

Job description

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Windows Engineer (security): £165,000 + Bonus (Prestigious FinTech firm), southampton

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Client:

Hunter Bond

Location:

southampton, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

Job Title: Windows Security Engineer

Salary: Up to £165,000 + 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 Information Security team. This is not your average infrastructure role. This is an opportunity to drive real innovation in a fast-paced, low-latency trading environment, focusing on firmwide Security projects.

• 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 Infrastructure Security technology
• 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.