At a Glance
- Tasks: Design and implement security controls across Windows platforms and drive vulnerability management.
- Company: Join a leading trading firm with a high-performing engineering group.
- Benefits: Industry-leading compensation, hybrid work model, and opportunities for professional growth.
- Other info: Dynamic role with meaningful responsibility and the chance to solve complex security challenges.
- Why this job: Take ownership of security initiatives and make a real impact in a fast-paced environment.
- Qualifications: Strong Windows security experience and knowledge of host-based controls required.
The predicted salary is between 80000 - 100000 £ per year.
Quant Capital is partnered with a leading trading firm looking to hire a Senior IT Security Engineer to strengthen its global security posture. This sits within a high-performing engineering group and suits someone who can take ownership, make clear technical decisions and build security controls that scale. You will work across Windows engineering, endpoint security, automation, vulnerability management and platform hardening. The role mixes hands-on engineering with advisory responsibility and proactive threat mitigation. The environment is fast moving and technically demanding, and you will be the person wider IT teams rely on for clarity and sound judgement.
What you’ll be doing:
- Designing and implementing security controls across Windows platforms
- Driving vulnerability management initiatives and closing remediation at scale
- Building automation around configuration, monitoring and incident response
- Improving endpoint security across EDR, AV, patching and OS hardening
- Working with core infrastructure including AD / Entra ID, PKI and networking
- Monitoring emerging threats and advising on technical risk
- Supporting global IT teams in 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 experience with EDR, endpoint protection, scanning and patching
- Background in OS hardening, privileged access and security best practice
- Knowledge of common attack techniques and the controls that mitigate them
- Good grasp of Active Directory / Entra ID and PKI
- Clear communicator who can influence, collaborate and take ownership
This role suits someone who wants meaningful responsibility, enjoys working under pressure and can solve complex security problems across a global environment. Discretion guaranteed. We never share profiles without your approval.
Principal Windows Security Engineer in London employer: Quant Capital
At Quant Capital, we pride ourselves on being an exceptional employer that fosters a dynamic and inclusive work culture in the heart of London. Our commitment to employee growth is evident through our industry-leading compensation packages and opportunities for professional development within a high-performing engineering group. Join us to take on meaningful responsibilities in a fast-paced environment where your expertise in Windows security will be valued and your contributions will directly impact our global security posture.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Windows Security Engineer in London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry on LinkedIn or at events. A friendly chat can lead to opportunities that aren’t even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repo showcasing your projects, especially those related to Windows security and automation. It’s a great way to demonstrate your hands-on experience.
✨Tip Number 3
Prepare for interviews by brushing up on common attack techniques and mitigation strategies. Be ready to discuss how you’ve tackled security challenges in the past – real-world examples go a long way!
✨Tip Number 4
Don’t forget to apply through our website! We’re always looking for talented individuals like you, and applying directly can sometimes give you an edge over other candidates.
We think you need these skills to ace Principal Windows Security Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your Windows security engineering experience and any hands-on work with EDR and endpoint protection. We want to see how you can take ownership and make clear technical decisions!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for this role. Talk about your experience with vulnerability management and how you've improved endpoint security in past roles. Let us know how you can contribute to our fast-moving environment.
Showcase Your Problem-Solving Skills:In your application, don’t just list your skills—show us how you've used them to solve complex security problems. Share specific examples of how you've designed and implemented security controls or driven initiatives in previous positions. We love seeing real-world applications of your expertise!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about our company culture and values!
How to prepare for a job interview at Quant Capital
✨Know Your Windows Security Inside Out
Make sure you brush up on your knowledge of Windows security engineering. Be prepared to discuss specific host-based controls like application control and firewalling, as well as your hands-on experience with EDR and endpoint protection. This will show that you’re not just familiar with the concepts but can also apply them effectively.
✨Demonstrate Your Problem-Solving Skills
Since the role involves solving complex security problems, think of examples from your past experiences where you successfully tackled a challenging issue. Use the STAR method (Situation, Task, Action, Result) to structure your answers, making it clear how you took ownership and made sound technical decisions.
✨Stay Updated on Emerging Threats
The environment is fast-moving, so it’s crucial to be aware of the latest threats and vulnerabilities. Research recent security incidents or trends in the industry and be ready to discuss how they might impact the role. This shows that you’re proactive and can advise on technical risks effectively.
✨Communicate Clearly and Confidently
As a clear communicator, you’ll need to influence and collaborate with various teams. Practice articulating your thoughts on security best practices and how you would support global IT teams. Being able to convey complex information simply will demonstrate your ability to work well in a distributed environment.
