Principal Security Architect

Principal Security Architect

Full-Time 75000 - 125000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead security architecture and shape secure design for cloud-native financial products.
  • Company: High-growth FinTech scale-up in the payments sector.
  • Benefits: Up to £125,000 salary, office-first culture, and high autonomy.
  • Why this job: Make a real impact on security for a major European payments platform.
  • Qualifications: Extensive cloud security experience and strong knowledge of Kubernetes.
  • Other info: Fast-paced environment with strategic influence and career growth opportunities.

The predicted salary is between 75000 - 125000 £ per year.

We’re supporting a high‑growth FinTech scale‑up that has rapidly become one of the most recognised names in the payments space. They’re investing heavily in security and are looking for a Principal Security Architect to lead and shape security architecture across their cloud‑native engineering organisation. This is a high-impact position where you’ll set the benchmark for secure design, drive cloud and Kubernetes security standards, and guide engineering teams building critical financial products used by thousands of businesses.

What you’ll do:

  • Define and own the security architecture strategy across the entire engineering function.
  • Lead threat modelling, secure design reviews and architecture governance for high-scale financial systems.
  • Establish secure cloud patterns across GCP, AWS and Azure environments.
  • Drive container and Kubernetes security maturity.
  • Partner with senior engineering leaders to embed security-by-design.
  • Shape defence‑in‑depth enterprise security systems across the platform.

What you’ll bring:

  • Extensive experience in cloud security architecture (GCP/AWS/Azure).
  • Deep knowledge of Kubernetes and container security.
  • Strong background in threat modelling and secure system design.
  • Experience integrating security into SDLC and CI/CD.
  • Ability to influence at senior engineering and leadership levels.
  • Comfortable in fast-moving, innovative scale-up environments.

What’s on offer:

  • Up to £125,000 salary
  • Leading-edge work in the FinTech / Payments industry
  • Office-first culture: 4 days per week in London (Paddington)
  • High autonomy, strategic scope and real technical influence
  • Opportunity to shape the security posture of a major European payments platform

If you’re a Principal-level Security Architect who thrives in cloud-native engineering environments, I’d love to speak with you. Click apply or reach out to Matthew.Lannen@infosecpeople.co.uk for more information.

Principal Security Architect employer: InfoSec People Ltd

Join a dynamic and innovative FinTech scale-up that is at the forefront of the payments industry, offering a collaborative office-first culture in the heart of London. With a strong focus on employee growth and autonomy, this role provides the opportunity to lead impactful security initiatives while shaping the future of financial technology. Enjoy competitive compensation, a supportive work environment, and the chance to make a significant difference in a rapidly evolving sector.
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Contact Detail:

InfoSec People Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Security Architect

✨Tip Number 1

Network like a pro! Reach out to your connections in the FinTech space, especially those who work with cloud security. A friendly chat can lead to insider info about job openings or even referrals.

✨Tip Number 2

Show off your expertise! Attend industry meetups or webinars related to cloud security and Kubernetes. Engaging with others in the field not only boosts your knowledge but also puts you on the radar of potential employers.

✨Tip Number 3

Tailor your pitch! When you get the chance to speak with hiring managers or recruiters, make sure to highlight your experience in threat modelling and secure design. Show them how you can add value to their team.

✨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 over other candidates.

We think you need these skills to ace Principal Security Architect

Cloud Security Architecture
GCP
AWS
Azure
Kubernetes
Container Security
Threat Modelling
Secure System Design
SDLC Integration
CI/CD Integration
Security-by-Design
Defence-in-Depth Security
Influencing Skills
Adaptability in Fast-Moving Environments

Some tips for your application 🫡

Tailor Your CV: Make sure your CV speaks directly to the role of Principal Security Architect. Highlight your experience in cloud security architecture and Kubernetes, as well as any relevant projects that showcase your skills in threat modelling and secure design.

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about security in the FinTech space and how your background aligns with the company's mission. Don’t forget to mention your ability to influence at senior levels!

Showcase Your Achievements: When detailing your experience, focus on specific achievements that demonstrate your impact in previous roles. Use metrics where possible to show how you’ve improved security standards or processes in past positions.

Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!

How to prepare for a job interview at InfoSec People Ltd

✨Know Your Cloud Security Inside Out

Make sure you brush up on your knowledge of cloud security architecture, especially in GCP, AWS, and Azure. Be ready to discuss specific examples of how you've implemented security measures in these environments, as this will show your expertise and readiness for the role.

✨Demonstrate Your Threat Modelling Skills

Prepare to talk about your experience with threat modelling and secure design reviews. Have a couple of real-world scenarios ready where you successfully identified vulnerabilities and implemented solutions, as this will highlight your problem-solving skills and strategic thinking.

✨Showcase Your Leadership Influence

Since this role involves partnering with senior engineering leaders, think of instances where you've influenced decision-making at a high level. Be prepared to share how you’ve embedded security-by-design in previous projects, as this will demonstrate your ability to lead and inspire teams.

✨Familiarise Yourself with Kubernetes Security

Given the emphasis on container and Kubernetes security, make sure you can discuss best practices and any challenges you've faced in securing these environments. This will not only show your technical knowledge but also your adaptability in fast-moving, innovative settings.

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