NTT

2 months ago

Senior Security Architect Consultant

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Last checked: 6 hours agoStatus: Live

Job Summary

Join NTT DATA’s growing UK security consulting team to develop and own security architecture for clients’ IT systems. You’ll lead threat modeling, risk assessment, secure-by-design alignment, and produce security architecture documentation, proposals, and stakeholder presentations. The role also includes assurance-gate recommendations, coaching and mentoring junior team members, and partnering with first/second/third lines of defense across cyber risk, information assurance, and data privacy considerations.

Location: London

Workplace: Onsite

Employment Type: Full time

Job Function: Cybersecurity

Seniority: Mid level

Key Responsibilities

•Develop and own the security architecture of clients’ IT systems, including ongoing development and design ownership.
•Use enterprise security or security solution architecture to identify business objectives, user needs, risk appetite, vulnerabilities, threat modeling, and control effectiveness.
•Create secure conceptual/logical/high-level designs and articulate recommendations through security architecture assurance gates.
•Develop security documentation, options papers, risk assessments, and stakeholder presentations for technical and non-technical audiences.
•Identify emerging cyber risks and lead risk mitigation plans; collaborate with lines of defense and coach/mentor junior team members.

Key Requirements

•Track record delivering security solutions for large-scale infrastructure, transformation, or integration programmes.
•Practical knowledge of industry security frameworks including NIST CSF and NIST 800-53, and NCSC CAF/guidelines.
•In-depth knowledge of modern security concepts, attack vectors, malware, security analytics, and threat intelligence.
•Minimum 10 years of cyber security experience and knowledge across areas such as AD, cryptography, end-user computing, IAM, PKI, server hardening, SIEM, SOAR, and VMware.
•Ability to hold or gain UK SC level security clearance; 2 of CISSP, CISM, CCSP, CRISC (or equivalent) and strong teamwork with attention to detail.

Experience:10+ years

Skills:CommunicationTeamworkAttention to detailIndependenceSelf-motivation

Certifications:CISSPCISMCCSPCRISC

Tech Stack:NIST CSFNIST 800-53NCSC CAFADCryptographyEnd User ComputingIAMPKIServer hardeningSIEMSOARVirtualizationVMware

Eligibility

Nationality:British National

Security Clearance:UK SC

Company Brief

NTT

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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NTT