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- Tasks: Design and implement security controls across Windows platforms and drive vulnerability management.
- Company: Leading trading firm with a high-performing engineering group.
- Benefits: Industry-leading compensation, hybrid work model, and opportunities for professional growth.
- Why this job: Own technical decisions and tackle complex security challenges in a fast-paced environment.
- Qualifications: Strong Windows security experience and hands-on skills with endpoint protection tools.
- Other info: Collaborative culture where your judgement is valued and discretion is guaranteed.
The predicted salary is between 43200 - 72000 £ per year.
Quant Capital is partnered with a leading trading firm looking to hire an IT Security Engineer to strengthen their global security posture. This role sits inside a high-performing engineering group and suits someone who can own technical decisions, cut through noise, and build security controls that scale. You’ll work across Windows engineering, endpoint security, automation, vulnerability management and platform hardening. Expect a mix of hands-on engineering, advisory work, and proactive threat mitigation. The environment is fast-moving and technically demanding — you’ll be the person the wider IT team turns to for sound judgement and clarity.
What you’ll be doing:
- Designing and implementing security controls across Windows platforms
- Driving vulnerability management initiatives and closing out remediation at scale
- Building automation around configuration, monitoring, and incident response
- Improving endpoint security: EDR, AV, patching, OS hardening
- Working with core infrastructure (AD / Entra ID, PKI, networking)
- Investigating emerging threats and advising on technical risk
- Supporting global IT teams across a large distributed environment
What you’ll need:
- Strong Windows security engineering experience
- Solid understanding of host-based controls: application control, firewalling, logging, encryption
- Hands-on with endpoint protection, EDR, scanning and patching tools
- Experience with OS hardening, privileged access concepts, identity and security best practice
- Knowledge of common attack techniques and how to counter them
- Good grasp of Active Directory/Entra ID and PKI
- High level PowerShell programming skills
- Clear communicator, reliable, collaborative, able to influence technical decisions
This role suits someone who wants real ownership, thrives under pressure, and enjoys solving complex security problems at scale. Discretion guaranteed — we never share profiles without your approval.
Principle Windows Security Engineer employer: Quant Capital
Contact Detail:
Quant Capital Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principle Windows Security Engineer
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect on LinkedIn. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects related to Windows security and automation. This gives potential employers a taste of what you can do beyond just a CV.
✨Tip Number 3
Prepare for those interviews! Brush up on common security scenarios and be ready to discuss how you've tackled challenges in the past. Practice makes perfect, so consider mock interviews with friends or mentors.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got some fantastic opportunities waiting for you, and applying directly can sometimes give you an edge. Plus, it’s super easy to keep track of your applications!
We think you need these skills to ace Principle Windows Security Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV speaks directly to the role of Principal Windows Security Engineer. Highlight your experience with Windows security, endpoint protection, and any relevant automation projects. We want to see how your skills align with what we’re looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about security engineering and how you can contribute to our team. Be sure to mention specific experiences that demonstrate your problem-solving skills and technical expertise.
Showcase Your Technical Skills: Don’t hold back on showcasing your technical prowess! Mention your hands-on experience with EDR, OS hardening, and PowerShell programming. We love seeing candidates who can clearly articulate their technical knowledge and how they’ve applied it in real-world scenarios.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It helps us keep track of your application and ensures you don’t miss out on any important updates. Plus, it’s super easy to do!
How to prepare for a job interview at Quant Capital
✨Know Your Windows Security Inside Out
Make sure you brush up on your Windows security engineering knowledge. Be prepared to discuss specific host-based controls, like application control and firewalling, as well as your hands-on experience with endpoint protection tools. The more detailed examples you can provide, the better!
✨Showcase Your Problem-Solving Skills
This role is all about solving complex security problems at scale. Think of a few scenarios where you've successfully mitigated threats or improved security measures. Be ready to explain your thought process and the impact of your decisions.
✨Demonstrate Your Automation Know-How
Since automation is key in this role, be prepared to discuss any experience you have with scripting, particularly in PowerShell. Share examples of how you've built automation around configuration, monitoring, or incident response to streamline processes.
✨Communicate Clearly and Confidently
As a Principal IT Security Engineer, you'll need to influence technical decisions and collaborate with various teams. Practice articulating your ideas clearly and confidently. Use examples from your past experiences to illustrate your points and show that you're a reliable team player.
