Security Architect

Security Architect

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 projects.
  • Company: Join a leading firm in quantitative finance with a focus on innovation.
  • Benefits: Competitive pay, annual bonus, 30 days leave, and comprehensive healthcare.
  • Other info: Enjoy a relaxed dress code, monthly events, and a supportive work culture.
  • Why this job: Tackle complex security challenges in a fast-paced, collaborative environment.
  • Qualifications: Experience in security architecture and cloud security; 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 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 benefits, and a culture that values collaboration and inclusivity, ensuring that every team member can contribute their best ideas while enjoying a healthy work/life balance.

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Contact Details:

Alastair LLP Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Security Architect

Tip Number 1

Network like a pro! Reach out to folks in the industry, attend meetups, and connect with current employees at companies you're eyeing. A friendly chat can sometimes lead to opportunities that aren't even advertised.

Tip Number 2

Prepare for those tricky technical interviews! Brush up on your security architecture knowledge and be ready to discuss real-world scenarios. Practising with mock interviews can help you articulate your thoughts clearly under pressure.

Tip Number 3

Showcase your skills through projects or contributions to open-source. Having tangible examples of your work can really set you apart from other candidates. Plus, it gives you something solid to talk about during interviews!

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, we love seeing candidates who are genuinely interested in joining our team.

We think you need these skills to ace Security Architect

Security Architecture
Threat Modelling
Cloud Security (AWS, Azure or equivalent)
Technical Problem Solving
Engineering Design Review
Security Improvement Recommendations
Risk Assessment

Some tips for your application 🫡

Tailor Your CV:Make sure your CV speaks directly to the role of Security Architect. Highlight your experience in security architecture and any relevant projects you've worked on. We want to see how your skills align with our needs!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about security architecture and how you can contribute to our team. Be direct and clear, just like we value in our communication.

Showcase Your Technical Skills:Don’t hold back on showcasing your technical prowess! Mention your experience with cloud security, threat modelling, and any specific tools or frameworks you’ve used. We love seeing candidates who can dive deep into complex problems.

Apply Through Our Website:We encourage you to apply through our website for a smoother 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!

How to prepare for a job interview at Alastair LLP

Know Your Security Fundamentals

Before the interview, brush up on your security architecture principles. Be ready to discuss your experience with threat modelling and how you've applied it in real-world scenarios. This will show that you can hold your own technically and provide credible guidance.

Familiarise Yourself with Cloud Security

Since the role involves public cloud environments like AWS or Azure, make sure you understand their security features and best practices. Prepare to discuss specific projects where you've implemented cloud security measures, as this will demonstrate your practical experience.

Prepare for Technical Challenges

Expect to face complex technical problems during the interview. Think of examples from your past work where you had to absorb intricate issues quickly and provide clear, actionable solutions. This will highlight your ability to navigate non-standard challenges effectively.

Communicate Clearly and Confidently

Strong communication skills are key in this role. Practice articulating your thoughts precisely and directly, especially when discussing technical topics. Being able to push back on assumptions while maintaining professionalism will showcase your confidence and credibility.