At a Glance
- Tasks: Lead security architecture for complex public sector digital programmes and mentor delivery teams.
- Company: Dynamic organisation focused on high-impact, mission-critical projects in the public sector.
- Benefits: Flexible home-based work, competitive benefits, and a people-first culture.
- Other info: Opportunities for clear progression as the cyber capability grows.
- Why this job: Make a real difference in national security while shaping innovative digital transformations.
- Qualifications: Strong experience in security architecture and knowledge of cyber security lifecycle.
The predicted salary is between 80000 - 100000 € per year.
Location: UK (home-based with travel to client site approx. 2 days per week). Hubs: London, Manchester, Bristol, Swansea.
The opportunity: This is a senior, high-impact role working across complex, mission-critical public sector programmes. You’ll lead security architecture across large-scale digital transformation initiatives, helping organisations modernise legacy systems while embedding secure-by-design principles from day one. You’ll operate as a trusted advisor to senior stakeholders, combining deep technical expertise with strong commercial awareness to shape solutions that are secure, scalable and deliver real value. The role sits at the intersection of strategy and delivery. You’ll be involved end-to-end, from bid work and pre-sales through to architecture, build, assurance and live services.
Key responsibilities:
- Lead security architecture across complex public sector digital programmes.
- Act as a trusted advisor to senior client stakeholders.
- Shape end-to-end solutions across bid, pre-sales, design, delivery and assurance.
- Drive secure-by-design principles and security best practice across engagements.
- Own security risk management, assurance and alignment to recognised frameworks.
- Lead on high-assurance programmes including support for Authority to Operate.
- Coach and mentor delivery teams, setting standards and driving quality.
- Contribute to bids, proposals and broader business development activity.
- Support the growth and maturity of the cyber security capability.
What we’re looking for:
- Strong experience as a Principal Security Architect or similar senior role.
- Proven background delivering within UK public sector or government environments.
- Experience across the full cyber security lifecycle, from bid to delivery.
- Blend of technical depth and commercial awareness.
- Strong knowledge across areas such as security architecture, cloud security, DevSecOps, IDAM/PAM and security assurance.
- Experience working on high-assurance or regulated programmes.
- Ability to engage and influence senior stakeholders.
- SC clearance eligibility.
What’s on offer:
- High-impact work on nationally significant programmes.
- Strong pipeline of complex digital transformation projects.
- Flexible, home-based working with client exposure.
- Competitive benefits and a people-first culture.
- Clear progression as the cyber capability continues to grow.
Principal Security Architect in London employer: Opus Recruitment Solutions
As a Principal Security Architect, you will join a forward-thinking company that prioritises a people-first culture and offers flexible, home-based working arrangements with opportunities for client engagement. With a strong focus on professional development and a commitment to delivering high-impact work on nationally significant programmes, this role provides a unique chance to shape the future of public sector digital transformation while enjoying a competitive benefits package and clear pathways for career progression.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Security Architect in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work in public sector roles. A friendly chat can lead to insider info about job openings or even referrals.
✨Tip Number 2
Showcase your expertise! Prepare a portfolio or case studies that highlight your experience in security architecture and digital transformation. This will help you stand out when discussing your fit for the role.
✨Tip Number 3
Practice your pitch! Be ready to explain how your skills align with the needs of the role. Focus on your ability to engage senior stakeholders and drive secure-by-design principles in your discussions.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Principal Security Architect in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Principal Security Architect role. Highlight your experience in security architecture and any relevant public sector projects. 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 the perfect fit for this role. Share specific examples of how you've led security architecture in complex environments, and don’t forget to mention your commercial awareness.
Showcase Your Technical Expertise:We’re looking for someone with deep technical knowledge. In your application, make sure to highlight your experience with security frameworks, cloud security, and DevSecOps. This will help us see your fit for the role right away!
Apply Through Our Website:We encourage you to apply through our website for a smoother process. It’s the best way for us to receive your application and keep track of it. Plus, it shows you’re keen on joining the StudySmarter team!
How to prepare for a job interview at Opus Recruitment Solutions
✨Know Your Stuff
Make sure you brush up on your technical knowledge, especially around security architecture and the full cyber security lifecycle. Be ready to discuss specific projects you've worked on, particularly in the public sector, as this will show your experience is relevant.
✨Understand the Business
Get a good grasp of the company’s mission and how they operate within the public sector. This will help you tailor your answers to demonstrate your commercial awareness and how you can add value to their digital transformation initiatives.
✨Engage with Stakeholders
Prepare to discuss how you've successfully engaged and influenced senior stakeholders in past roles. Think of examples where you acted as a trusted advisor and how you shaped solutions that met both security and business needs.
✨Showcase Your Leadership Skills
Since this role involves coaching and mentoring delivery teams, be ready to share your experiences in leading teams and setting standards. Highlight any instances where you drove quality and best practices in security across projects.
