Enterprise Security Architect

NTT DATA; Greater London; On-site; GBP 110,000 - 160,000; Full time

Benefits offered by this job

Flexible work options

Learning & Development

Job summary

NTT DATA is seeking an Enterprise Security Architect to define and govern the security architecture across complex hybrid environments. You will lead roadmaps, guide security capabilities, and embed secure-by-design practices while advising CIO, CISO, CTO and executives on strategic risk and technology choices.

The role requires extensive cybersecurity and architecture leadership with a focus on cloud security, Zero Trust, governance, and risk management across global environments.

Qualifications

• 20+ years in cybersecurity
• 10+ years in enterprise or solution architecture
• Strong communication and senior stakeholder management
• Experience with regulatory/compliance across global environments
• Certifications such as CISSP, CCSP, TOGAF preferred

Responsibilities

• Define the enterprise security architecture vision, standards and roadmaps.
• Lead end-to-end delivery of roadmaps across engineering, operations and business units.
• Design secure solutions for hybrid/multi-cloud environments (GCP).
• Perform threat modelling and design reviews for enterprise-scale platforms.
• Define guardrails, controls, and patterns aligned to NIST, CIS, ISO 27001, Zero Trust.

Skills

Cybersecurity leadership

Enterprise architecture

Stakeholder management

Cloud security

Zero Trust

Threat modelling

Education

CISSP

CCSP

TOGAF

Tools

GCP

Job description

The team you';ll be working with:

Job Description for Enterprise Security Architect

Role Overview

NTT DATA is seeking an Enterprise Security Architect with experience of securing solutions within business environments. The architect should possess complex business architecture, and strategic leadership experience. This role will define, govern, and drive the execution of the enterprise security architecture, vision across customers’ complex hybrid environments. In addition to strategy and advisory leadership, the enterprise architect will be accountable for guiding teams in executing security roadmaps, maturing architecture capabilities, and embedding secure‑by‑design practices into all technology and business initiatives.

What you';ll be doing:

1. Enterprise Security Architecture Strategy & Leadership

• Define the enterprise-wide security architecture vision, principles, patterns, and standards.
• Develop multi‑year security architecture roadmaps aligned with business strategy, technology plans, and risk posture.
• Lead the end‑to‑end execution of these roadmaps, partnering with engineering, operations, and business units to ensure delivery of target-state capabilities.
• Ensure architecture remains fit‑for‑purpose through continuous review, modernization, and refinement.

2. Technical Architecture & Design

• Architect secure solutions for hybrid and multi‑cloud environments (especially Google Cloud Platform (GCP)) including identity, networking, data, and application layers.
• Securing Applications and API.
• Perform technical assessments, threat modelling, and design reviews for enterprise‑scale platforms and high‑risk systems.
• Design and validate Zero Trust architectures across identity, device, network, application, and data layers.

3. Governance, Standards & Risk Management

• Define enterprise security architecture guardrails, controls, and patterns aligned to NIST, CIS, ISO 27001, Zero Trust, and industry regulations.
• Support architecture governance boards, ensuring all designs adhere to security standards.

Identify systemic, long‑term structural risks and drive enterprise remediation initiatives

4. Delivery Leadership

• Translate architectural strategy into actionable, sequenced roadmaps with clear deliverables, success criteria, and dependencies.
• Track roadmap progress, remove blockers, and ensure alignment with enterprise technology direction.
• Influence budget planning and investment decisions for security capabilities.

5. Executive Advisory

• Act as a trusted advisor to CIO, CISO, CTO, and business executives on strategic risk, architecture, and technology choices.
• Communicate complex architecture and risk topics in a clear, outcome‑driven manner to senior leadership.
• Collaborate proactively with enterprise architecture, cloud engineering, DevOps, and platform teams to align designs.

6. Innovation & Emerging Technology

• Evaluate new security technologies, patterns, and industry trends with a balanced view of risk, value, and scalability.
• Champion adoption of innovative practices that improve resilience, automation, and operational efficiency, including AI / ML.

What experience you';ll bring:

Required

• 20+ years of cybersecurity, with at least 10 in enterprise or solution architecture roles.
• Expertise across multiple technological domains and enterprise-scale transformation programmes.
• Demonstrated success leading teams to deliver architectural roadmaps and capability uplift.
• Strong understanding of regulatory and compliance requirements across global environments.
• Exceptional communication, influencing, and senior stakeholder management skills.

Preferred

• Certifications include: CISSP, CCSP, CISM, SABSA, TOGAF, CCIE Security, GIAC (GSEC/GDSA) and Cloud provider certifications.
• Experience in highly regulated sectors (Telecom, Finance, etc.).

Personal Attributes

• Operates with executive presence, strong credibility, and clear strategic thinking.
• Skilled at leading through influence, not just authority.
• Highly analytical, pragmatic, and solution focused.
• Comfortable driving both strategy and hands‑on technical engagements.

Who we are:

At NTT DATA, you have endless opportunities to think big, act bold and take ownership. As a $30+ billion business and technology services, AI and digital infrastructure leader, we co‑innovate solutions with clients and partners globally for business and societal impact. Serving 75% of the Fortune Global 100, with experts in over 70 countries, we encourage experimentation and recognize great work. Proudly a Global Top Employer, NTT DATA is part of NTT Group, which invests over $3 billion annually in R&D. Make this the place where you belong, learn, and build your network. Make this the place whereyougrow.

what we';ll offer you:

We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensure that there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.

You can find more information about NTT DATA UK & Ireland here: https://uk.nttdata.com/

We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are committed to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long‑term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know. Join us in building a truly diverse and empowered team.