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Compensation: Not specified GBP
City: London
Country: United Kingdom

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Data Senior Security Architect & Engineer - Manager

Basic information

Location

London

Business Line

Technology & Transformation

Job Type

Permanent / FTC

Date published

01-Jun-2026

Req #

22999

Job description

Connect to your Industry

Cyber security is critical to every organisation. We are shaping strategies and transforming the management of cyber risk, and we need you to join us. Youll 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? Its 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, we lead the way, serve with integrity, take care of each other, foster inclusion, and collaborate 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

We are seeking experienced Data Security professionals with expertise in both architecture and engineering. The ideal candidate will have a proven track record in leading designing, implementing, and testing data security solutions. Responsibilities include developing security architectures, creating technical design documents, and establishing control frameworks for data protection across cloud and on-premises environments. Experience in maintaining and operating data security technologies is also highly valued, as is the ability to assess and enhance existing data security architectures to meet evolving business and regulatory requirements.

We empower you to research and experiment with different approaches and tooling to ensure we remain on the cutting edge of Data Security. You will influence our macro approach and set the direction for how we meet our clients demands. Our projects vary greatly, and your responsibility will differ based on the focus of a specific client engagement or proposal, but your role is likely to include:

This role will involve working closely with cross-functional teams to ensure seamless deployment and integration of data security solutions, as well as contributing to the ongoing operation and maintenance of data security technologies across our clients. As part of this role, you will be expected to:

Define data security use cases, functional and non-functional solution requirements, and technical specifications e.g., data discovery, data access governance, data classification, data loss prevention, encryption, data masking, monitoring, and compliance requirements. As part of this, defining next gen use cases covering data security posture management and AI use cases.

Design and architect data security solutions by creating high-level and low-level designs that align with business objectives and comply with industry cybersecurity standards (e.g., NIST, ISO 27001). For example, this includes:

Creating high-level and low-level system architecture diagrams with technical descriptions of each component.

Defining the dependencies to implement the solution, e.g., network rules, server resources, storage requirements.

Defining the system specifications to support optimal performance.

Integrate workflows with third-party systems and security tools, such as Security Information and Event Management (SIEM) solutions, data discovery and classification tools (e.g., Varonis, BigID), and cloud platforms like Microsoft Azure.

Define the Responsible, Accountable, Consulted, and Informed (RACI) matrix to operate and maintain the solutions infrastructure components.

Develop technical documentation for data security implementations including process documentation to enable solution operation (e.g., defining processes for data classification, data access requests, data governance, approval workflows, and data lifecycle management).

Implementing data security solutions by:

Installing components (e.g., servers, databases) in on-premises/cloud environments and configuring cloud-based elements, including scripting or coding plug-ins and extensions for cloud platforms.

Installing and configuring servers for data discovery and deploying agents for DLP scanning across endpoints and network devices.

Integrating data security solutions with enterprise applications and systems such as directories, cloud applications, and third-party data repositories.

Configuring and implementing API integrations and reverse proxy architectures with cloud services to enable secure data flows.

Implementing, fine-tuning, and managing DLP policies to address business requirements and minimise false positives.

Collaborating with IT infrastructure teams to ensure all prerequisites and dependencies are addressed prior to deployment.

Executing unit, integration, functional, and non-functional testing for data security solutions, and troubleshooting issues such as data access failures, policy conflicts, and data protection errors in coordination with vendors.

Providing post-implementation services, including hyper-care support and advanced troubleshooting to resolve production issues and ensure smooth operation.

Conducting knowledge transfer to client data security teams through technical training sessions, enabling clients to operate and maintain the solution effectively.

Contribute to the development of compelling data security solution approaches for client proposals and bids, ensuring alignment with client requirements and Deloitte's strategic capabilities.

Connect to your skills and professional experience

Whilst a bachelor's degree (or equivalent) in Computer Science or Engineering is desirable, we are more interested in your real-world professional experience and your ability to turn this into impactful client outcomes.

Key skills not every candidate requires all of these but should be familiar and/or have experience with a majority of these:

Building strong client relationships, particularly within engagement delivery. Ability to understand client problems and issues and develop a proposal for how we can support.

Strong interpersonal and relationship skills to manage a variety of client stakeholders from Architects to Developer.

Broad data security experience across data discovery, data classification, data loss prevention (DLP), data security posture management, encryption, data masking, data governance, and data privacy, with demonstrable ability to build data security strategies which integrate into client enterprise architectures and beyond.

Experience in developing architecture and hands-on engineering for data security solutions across the following areas (not all required, but the majority are preferable):

DLP across email, O365, cloud, web, and endpoint channels (e.g., using Microsoft, Broadcom, ForcePoint)

Data classification and data discovery

Digital Rights Management (e.g., using Microsoft)

Data security across Azure, AWS, Oracle, and Google Cloud, utilising third-party DLP tools (such as Microsoft, Broadcom, ForcePoint) and/or native cloud capabilities.

Encryption technologies such as KeyFactor, HashiCorp Vault, AWS Key Management Service (KMS) and Azure Key Vault.

Data Security Posture Management and Data Governance tools such as Microsoft, Varonis and BigID for data discovery, classification, access monitoring, and threat detection across structured and unstructured environments.

Understanding of data privacy regulations (e.g., GDPR, CCPA), data governance frameworks, and emerging trends in data security.

Exposure to/Understanding of DevOps tools and repositories (e.g., Git, Azure DevOps, Kubernetes, Docker, Jenkins, Ansible etc.).

Practical experience with Linux and Windows operating systems.

Experience with modern data security concepts such as data-centric security, zero trust data access, data security posture management, data access governance design, and cloud-native data protection.

In addition to the above, the following are desirable:

Relevant certifications (e.g. CISSP, CISM, CIPP/E, Microsoft Certified: Security, Compliance, and Identity Fundamentals, etc.).

Connect to your business - Technology and Transformation

Distinctive thinking, deep expertise, innovation and collaborative working. Thats what connects us. Thats what makes us Deloitte. If you want to help solve some of the biggest tech and transformational challenges around, join us. Together, well 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 youre surrounded by subject matter experts; industry experts, technology experts, and you can access that knowledge whenever you need to. -Christian, Technology and Transformation

"We have a great culture, and the number of opportunities here means you can develop as an individual in the direction that suits you best." -Gurpal, Technology and Transformation

Our hybrid working policy

Youll be based in London with hybrid working.

At Deloitte we understand the importance of balancing your career alongside your home life. Thats why well support you to work flexibly through our hybrid working policy. Depending on the requirements of your role, youll have the opportunity to work in your local office, virtual collaboration spaces, client sites and remotely. Youll get the chance to meet face to face when needed, while you collaborate and learn from colleagues, share your experiences, and build the relationships that will fuel your career and prioritise your wellbeing. Please check with your recruiter for the specific working requirements that may apply for your role.

Connect to your return-to-work opportunity

Are you looking to return to the workplace after an extended career break?

For this role we can offer coaching and support designed for returners to refresh your knowledge and skills, and help your transition back into the workplace after a career break of two years or more. If this is relevant for you, just let your recruiter know when you make your application.

Our commitment to you

Making an impact is more than just what we do: its why were here. So we work hard to create an environment where you can experience a purpose you believe in, the freedom to be you, and the capacity to go further than ever before.

We want you. The true you. Your own strengths, perspective and personality. So were nurturing a culture where everyone belongs, feels supported and heard, and is empowered to make a valuable, personal contribution. You can be sure well take your wellbeing seriously, too. Because its only when youre comfortable and at your best that you can make the kind of impact you, and we, live for.

Your expertise is our capability, so well make sure it never stops growing. Whether its from the complex work you do, or the people you collaborate with, youll learn every day. Through world-class development, youll gain invaluable technical and personal skills. Whatever your level, youll learn how to lead.

Connect to your next step

A career at Deloitte is an opportunity to develop in any direction you choose. Join us and youll experience a purpose you can believe in and an impact you can see. Youll be free to bring your true self to work every day. And youll never stop growing, whatever your level.

Discover more reasons to connect with us, our people and purpose-driven culture at deloitte.co.uk/careers

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2026. See Terms & conditions for more information.

Deloitte LLP is the United Kingdom affiliate of Deloitte NSE LLP, a member firm of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (DTTL). DTTL and each of its member firms are legally separate and independent entities. DTTL and Deloitte NSE LLP do not provide services to clients. Please see About Deloitte to learn more about our global network of member firms.

Deloitte LLP is a limited liability partnership registered in England and Wales with registered number OC303675 and its registered office at 1 New Street Square, London EC4A 3HQ, United Kingdom.

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Full Job Description

Deloitte

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Why join Deloitte?