Security Architect in London

Security Architect in London

London Full-Time 80000 - 100000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Provide security architecture guidance and assess security across diverse technical landscapes.
  • Company: Join a leading firm in quantitative finance with a focus on innovation and collaboration.
  • Benefits: Competitive salary, annual bonus, 30 days leave, and comprehensive healthcare.
  • Other info: Enjoy a flexible dress code, work/life balance, and monthly company events.
  • Why this job: Tackle complex security challenges and make a real impact in a fast-paced environment.
  • Qualifications: Experience in security architecture and cloud security, with strong communication skills.

The predicted salary is between 80000 - 100000 £ per year.

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution – because the best ideas take time to evolve. Together we’re building a world‑class platform to amplify our teams’ most powerful ideas.

This role sits within the Security Advisory function, reporting to the Security Advisory Manager and working alongside a team of experienced security architects and security engineers. As a Senior Security Architect you will provide security architecture guidance across a broad technical landscape: public cloud, an extensive in‑house compute environment and everything in between. The problems vary – some are greenfield, some are legacy and many are novel enough that established playbooks do not apply.

Key responsibilities
  • Providing technical security architecture guidance across projects and programmes
  • Assessing the security of in‑house and third‑party applications, services, infrastructure and processes
  • Threat modelling, particularly for complex, high‑value systems
  • Reviewing engineering designs and recommending practical security improvements
  • Evaluating compensating controls and articulating residual risk when ideal solutions are not achievable
  • Identifying audit points and indicators of compromise
  • Improving security processes to match the pace of the organisation
  • Escalating decisions that exceed risk appetite appropriately
Who are we looking for?

You are someone who can hold your own technically and is not afraid to have a direct opinion. The environment is fast, the engineers are exceptionally sharp and the problems are often non‑standard. You will need to be credible in rooms where people challenge assumptions as a matter of course, and confident enough to push back when security genuinely matters.

What we are looking for
  • Demonstrable experience in security architecture
  • Practical threat modelling skills applied to real systems
  • Cloud security experience: AWS, Azure or equivalent
  • The ability to absorb complex technical problems quickly and provide clear, defensible guidance
  • Experience reviewing engineering designs and improving security outcomes
  • Strong communication skills, particularly the ability to be precise and direct with highly technical teams
  • Red, blue or purple team experience (useful but not essential)
  • Financial services background (useful but not essential)
  • Experience with large‑scale compute infrastructure or research environments (useful but not essential)
Why join us?
  • Highly competitive compensation plus annual discretionary bonus.
  • Lunch provided (via Just Eat for Business) and dedicated barista bar
  • 30 days’ annual leave
  • 9% company pension contributions
  • Informal dress code and excellent work/life balance
  • Comprehensive healthcare and life assurance
  • Cycle‑to‑work scheme
  • Monthly company events

G‑Research is committed to cultivating and preserving an inclusive work environment. We want to ensure that applicants receive a recruitment experience that enables them to perform at their best. If you have a disability or special need that requires accommodation, please let us know in the relevant section.

Security Architect in London employer: Alastair LLP

At G-Research, we pride ourselves on being an exceptional employer, offering a dynamic work environment in the heart of London where innovation thrives. Our commitment to employee growth is evident through competitive compensation, comprehensive healthcare, and a strong focus on work/life balance, complemented by monthly company events and a culture that values inclusivity and collaboration. Join us to tackle complex challenges alongside world-class researchers and engineers, all while enjoying unique benefits like a dedicated barista bar and generous annual leave.

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Contact Details:

Alastair LLP Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Security Architect in London

Tip Number 1

Network like a pro! Reach out to current employees on LinkedIn or at industry events. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.

Tip Number 2

Prepare for the interview by diving deep into the company’s projects and challenges. Show us you understand the complexities of security architecture and how you can tackle them head-on.

Tip Number 3

Practice your technical skills and be ready to discuss real-world scenarios. We love candidates who can think on their feet and provide clear, actionable solutions to complex problems.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team.

We think you need these skills to ace Security Architect in London

Security Architecture
Threat Modelling
Cloud Security (AWS, Azure)
Technical Problem Solving
Engineering Design Review
Communication Skills
Risk Assessment

Some tips for your application 🫡

Tailor Your Application:Make sure to customise your CV and cover letter to highlight your experience in security architecture and threat modelling. We want to see how your skills align with the role, so don’t hold back on showcasing your relevant projects!

Be Clear and Concise:When writing your application, keep it straightforward. Use clear language to explain your technical expertise and experiences. We appreciate directness, especially when it comes to complex topics, so don’t be afraid to get to the point!

Show Your Passion for Security:Let us know why you’re excited about the role and the field of security architecture. Share any personal projects or interests that demonstrate your commitment to staying updated in this fast-paced environment. We love seeing genuine enthusiasm!

Apply Through Our Website:To make sure your application gets the attention it deserves, apply directly through our website. It’s the best way for us to track your application and ensure it reaches the right people. We can’t wait to hear from you!

How to prepare for a job interview at Alastair LLP

Know Your Security Architecture Inside Out

Make sure you’re well-versed in the latest security architecture principles and practices. Brush up on your knowledge of public cloud environments like AWS and Azure, as well as threat modelling techniques. Being able to discuss these topics confidently will show that you’re not just familiar with the theory but can apply it practically.

Prepare for Technical Challenges

Expect to face complex technical problems during the interview. Prepare by reviewing case studies or scenarios related to security architecture. Think about how you would approach assessing the security of both in-house and third-party applications, and be ready to articulate your thought process clearly.

Communicate Clearly and Confidently

Strong communication skills are key in this role. Practice explaining technical concepts in a straightforward manner, especially when discussing security improvements or risk assessments. Remember, you’ll need to hold your own in discussions with sharp engineers, so being precise and direct is essential.

Show Your Problem-Solving Skills

Be prepared to demonstrate your ability to absorb complex problems quickly. Think of examples from your past experience where you’ve had to provide clear guidance under pressure. Highlight your experience with legacy systems and how you’ve navigated challenges when established playbooks didn’t apply.