Principal Security Engineer
Principal Security Engineer

Principal Security Engineer

Full-Time 48000 - 72000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead innovative cybersecurity strategies and secure digital finance for top-tier clients.
  • Company: Capco, a forward-thinking tech consultancy in London.
  • Benefits: Competitive salary, flexible holidays, mental health support, and continuous learning opportunities.
  • Why this job: Shape the future of digital finance while working with cutting-edge security technologies.
  • Qualifications: Strong cloud security experience and proficiency in security tools.
  • Other info: Join a collaborative culture that values individuality and offers excellent career growth.

The predicted salary is between 48000 - 72000 £ per year.

Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent

Secure the future of digital finance by leading innovative cybersecurity strategies.

The Role

As a Principal Security Engineer at Capco, you will lead the design, implementation, and integration of robust security frameworks across cloud and on-premise environments. You will partner with engineering and client teams to embed security best practices across the SDLC, while driving forward our capabilities in vulnerability management, compliance, and secure architecture.

What You’ll Do

  • Lead enterprise-wide security initiatives using SAST, DAST, SCA, and container scanning tools like CheckmarxOne and Prisma Cloud
  • Design and implement secure cloud infrastructures, endpoint protection, and data encryption strategies
  • Guide secure-by-design principles and embed security tools into CI/CD pipelines
  • Conduct security audits, vulnerability assessments, and threat analysis across systems
  • Mentor engineering teams on secure development and build Capco’s internal security knowledge base

What We’re Looking For

  • Strong application and cloud security experience across AWS, Azure, or GCP
  • Proficiency in SAST, DAST, SCA, and container scanning integration
  • Deep knowledge of data protection techniques including encryption and masking
  • Familiarity with industry standards such as ISO 27001, NIST, OWASP
  • Programming experience in Python, Java, or Go

Bonus Points For

  • Relevant certifications such as CISSP, CSSLP, or cloud-specific security credentials
  • Experience mentoring security engineers or contributing to RFPs and thought leadership
  • Exposure to secure DevOps (DevSecOps) environments and compliance frameworks
  • Experience with Prisma Cloud, CheckmarxOne, or equivalent tools
  • Strong stakeholder engagement and communication skills

Why Join Capco

  • Deliver high-impact technology solutions for Tier 1 financial institutions
  • Work in a collaborative, flat, and entrepreneurial consulting culture
  • Access continuous learning, training, and industry certifications
  • Be part of a team shaping the future of digital financial services
  • Help shape the future of digital transformation across FS & Energy.

Benefits

  • Core Benefits: Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.
  • Mental Health: Easy access to CareFirst, Unmind, Aviva consultations, and in-house first aiders.
  • Family-Friendly: Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.
  • Family Care: 8 complimentary backup care sessions for emergency childcare or elder care.
  • Holiday Flexibility: 5 weeks of annual leave with the option to buy or sell holiday days based on your needs.
  • Continuous Learning: Your growth, your way - minimum 40 hours of training annually. Take your pick; workshops, certifications, e-learning. Also, a Business Coach assigned from Day One to fast-track your goals and accelerate your development.
  • Extra Perks: Gympass, travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.

Inclusion at Capco

We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know—we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.

How to Apply

We are excited to hear from you. Please note: this description reflects the current role and does not constitute a contract. Qualified applicants will be contacted by Capco recruitment.

Principal Security Engineer employer: Capco

Capco is an exceptional employer that fosters a collaborative and entrepreneurial culture, making it an ideal place for a Principal Security Engineer to thrive. With access to continuous learning opportunities, competitive benefits, and a commitment to mental health and family-friendly policies, employees are empowered to grow both personally and professionally. Located in London, Capco offers a dynamic environment where you can shape the future of digital finance while enjoying a flexible work-life balance.
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Contact Detail:

Capco Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Security Engineer

✨Tip Number 1

Network like a pro! Reach out to your connections in the cybersecurity field, especially those who work at Capco or similar companies. A friendly chat can lead to insider info about job openings and even referrals.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects related to security frameworks, cloud infrastructures, and vulnerability management. This will give you an edge during interviews and demonstrate your hands-on experience.

✨Tip Number 3

Prepare for technical interviews by brushing up on SAST, DAST, and secure coding practices. Practise explaining complex concepts in simple terms, as communication is key when working with engineering teams.

✨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 the Capco team.

We think you need these skills to ace Principal Security Engineer

Cybersecurity Strategies
Cloud Security
Application Security
SAST
DAST
SCA
Container Scanning
AWS
Azure
GCP
Data Protection Techniques
Encryption
ISO 27001
NIST
OWASP
Programming in Python, Java, or Go
Mentoring Skills
DevSecOps
Stakeholder Engagement
Communication Skills

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Principal Security Engineer role. Highlight your experience with SAST, DAST, and cloud security, and don’t forget to mention any relevant certifications. We want to see how your skills align with what we’re looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about cybersecurity and how your previous experiences have prepared you for this role. Let us know why you want to join Capco specifically – we love hearing about your motivation!

Showcase Your Projects: If you’ve worked on any interesting security projects or initiatives, make sure to include them in your application. We’re keen to see real-world examples of your work, especially those that demonstrate your ability to lead and innovate in security practices.

Apply Through Our Website: We encourage you to apply through our website for a smoother process. It’s the best way to ensure your application gets into the right hands. Plus, you’ll find all the details you need about the role and our company culture there!

How to prepare for a job interview at Capco

✨Know Your Security Tools

Familiarise yourself with SAST, DAST, and container scanning tools like CheckmarxOne and Prisma Cloud. Be ready to discuss how you've used these tools in past projects and how they can enhance security frameworks.

✨Showcase Your Cloud Knowledge

Since the role requires strong application and cloud security experience, brush up on AWS, Azure, or GCP. Prepare examples of how you've designed secure cloud infrastructures and implemented data protection techniques.

✨Emphasise Secure Development Practices

Be prepared to talk about secure-by-design principles and how you've embedded security tools into CI/CD pipelines. Share specific instances where you guided teams on secure development practices.

✨Engage with Stakeholders

Highlight your communication skills and experience in stakeholder engagement. Think of examples where you've successfully collaborated with engineering and client teams to drive security initiatives.

Principal Security Engineer
Capco

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