Senior Security Architect Government and Public Sector

Belfast, Bristol, Edinburgh, London, Manchester

Business Line

Date published: 22-Apr-2025

Connect to your Industry

Cyber Security is critical to every organisation. We are designing and building solutions to help secure government and public sector organisations, and we need you to join us. You’ll build strong relationships as one of the areas of our cyber practice with over 450 extremely talented individuals in the UK alone, as part of a Technology and Transformation practice of 7500 people. Cyber security is a business problem, not just a technical problem, and we need people with a diverse array of backgrounds and skills sets to help our clients solve it. Join us and you will help our clients solve the latest cyber security challenges, in a business with very significant growth ambitions enjoying the kind of professional development that will set your potential free.

Connect to your career at Deloitte

Deloitte drives progress. Using our vast range of expertise, we help our clients become leaders wherever they choose to compete. To do this, we invest in outstanding people. We build teams of future thinkers, with diverse talents and backgrounds, and empower them all to reach for and achieve more.

What brings us all together at Deloitte? It’s how we approach the thousands of decisions we make every day. How we behave, our beliefs and our attitudes. In other words: our values. Whatever we do, wherever we are in the world, welead the way,serve with integrity,take care of each other,foster inclusion, andcollaborate for measurable impact. These five shared values lead every decision we make and action we take, guiding us to deliver impact how and where it matters most.

Connect to your opportunity

Enterprise Security, within Deloitte Cyber, is a team of cyber security architects and engineers dedicated to helping clients secure their technology ecosystems.

We partner with organisations to design and implement security solutions that are practical, scalable, and aligned with business goals. As a team, we are focused on growing our Security Architecture and Secure by Design capabilities to drive innovation and excellence.

Connect to your skills and professional experience

A successful individual will demonstrate the following behaviours, capabilities, and experience:

Sales & Business Engagement:

• Partner with clients to understand their needs and design tailored security solutions.
• Contribute to business development, supporting proposals, pre-sales discussions, and building trusted client relationships.
• Be responsible for delivering excellence, ensuring our commitment to clients is met and exceeded.

Leadership & Capability Building:

• Mentor and coach fellow teams, fostering an inclusive and growth-oriented environment within Deloitte.
• Shape security architecture frameworks, patterns, and best practices for consistent, scalable client delivery.
• Stay ahead of emerging security trends, ensuring our teams and clients are prepared for future challenges.

Security Architecture Skills:

• Design and implement security architectures that align with business needs and industry best practices.
• Guide teams on Secure by Design principles, ensuring security is embedded early in development.
• Evaluate and integrate security tools and processes across cloud, applications, and infrastructure.
• Present security insights to technical and non-technical audiences, fostering collaboration.
• Knowledge of frameworks such as Cyber Assurance Framework (CAF) and National Institute of Standards and Technology (NIST) Cyber Security Framework (CSF).

Qualifications and Experience:

You don’t need to tick every box, but experience in several of the following areas will help you thrive at Deloitte:

• Cyber Security Architecture – Designing and securing cloud, applications, networks, data, or identity systems.
• Secure by Design – Embedding security into solution design.
• Security frameworks and Risk Management – Applying security frameworks and risk-based approaches to securing critical systems.
• Thought Leadership – Engaging in research and publishing in recognised forums.
• Stakeholder Influence – Engaging with technical teams, business leaders, and executives.
• Industry Experience – Bringing industry insight and experience to our Government & Public Sector.

Connect to your business - Technology and Transformation

Distinctive thinking, deep expertise, innovation, and collaborative working. That’s what connects us. That’s what makes us Deloitte. If you want to help solve some of the biggest tech and transformational challenges around, join us. Together, we’ll make an impact that matters.

Cyber

The modern world is more complex than ever before, and we are navigating an ever-changing landscape. We help clients to operate with resilience and grow with confidence to secure success and minimise risk.

Personal independence

Regulation and controls are standard practice in our industry and Deloitte is no exception. These controls provide important legal protection for both you and the firm. We are subject to a number of audit regulations, one of which requires that certain colleagues abide by specific personal independence constraints (e.g., in relation to any financial interests and employment relationships). This can mean that you and your 'Immediate Family Members' are not permitted to hold certain financial interests (shares, funds, bonds etc.) with audit clients of the firm, and also prohibitions on certain employment relationships (e.g., you are not permitted to hold a secondary employment role with SEC audit clients of the firm whilst being employed by the firm). The recruitment team will provide further detail as you progress through the recruitment process or you can contact the Independence team upon request.

Connect with your colleagues

“At Deloitte you’re surrounded by subject matter experts; industry experts, technology experts, and you can access that knowledge whenever you need to.

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