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

JR United Kingdom; Portsmouth; On-site; GBP 120,000 - 165,000; Full time

Job summary

A prestigious FinTech firm in Portsmouth seeks a Windows Security Engineer to join its core Information Security team. This position is pivotal in driving innovation within a fast-paced trading environment, focusing on security projects. Candidates should possess deep infrastructure security expertise and experience in demanding tech-driven industries.

Qualifications

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

Responsibilities

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

Skills

Infrastructure Security technology

Windows Server

PowerShell

Active Directory

DNS

Scripting

High-availability environment

Finance experience

Job description

Social network you want to login/join with:

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

col-narrow-left

Client:

Hunter Bond

Location:

portsmouth, hampshire, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Views:

2

Posted:

06.06.2025

Expiry Date:

21.07.2025

col-wide

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.