At a Glance
- Tasks: Design and implement security controls, drive vulnerability management, and improve endpoint security.
- Company: Leading trading firm with a high-performing engineering group.
- Benefits: Industry-leading compensation, hybrid work model, and opportunities for professional growth.
- Other info: Collaborative culture with discretion guaranteed for all applicants.
- Why this job: Own technical decisions and tackle complex security challenges in a fast-paced environment.
- Qualifications: Strong Windows security experience and knowledge of host-based controls.
The predicted salary is between 63000 - 77000 £ per year.
Principal IT Security Engineer – Windows, Automation, Endpoint Security Industry leading compensation London – Hybrid 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 PKIHigh level Power Shell 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.
Principal IT Security Engineer – Trading in London employer: Quant Capital
Quant Capital is an excellent employer for those looking to thrive in the fintech sector, offering a vibrant work culture that fosters innovation and collaboration. With substantial training and development opportunities, employees can enhance their skills while enjoying a flexible hybrid work model in the heart of London. Join us to be part of a forward-thinking team that values growth and cutting-edge technology.
StudySmarter Expert Advice🤫
We think this is how you could land Principal IT Security Engineer – Trading in London
✨Get Involved in the Cybersecurity Community
Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!
✨Show Off Your Skills with Capture the Flag Competitions
Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Quant Capital, love seeing candidates who actively engage in these challenges.
✨Tailor Your Online Presence
Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!
✨Apply Directly Through Quant Capital
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Quant Capital. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.
We think you need these skills to ace Principal IT Security Engineer – Trading in London
Some tips for your application 🫡
Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!
Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!
Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Quant Capital insight into your practical problem-solving abilities and makes your application memorable.
Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Quant Capital that you’re committed to staying ahead in the game.
How to prepare for a job interview at Quant Capital
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
✨Prepare for Scenario-Based Questions
Expect the interviewers at Quant Capital to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.
✨Highlight Your Certifications
Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Quant Capital.
✨Show Your Passion for Cybersecurity
Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
