Principal Enterprise Security Architect (Cyber Security)

  • Rullion
  • Teddington, Middlesex
  • 12/07/2026
Full time Information Technology Telecommunications

Job Description

Job title: Principal Enterprise Security Architect (Cyber Security)
Job Type: Permanent
Start date: Subject to clearance
Salary: £71,000-£90,000 per annum + Benefits
Location: Richmond Upon Thames, London
Hours of work: 40 Hours Per Week / Hybrid Working 3/2 Split between Site & Working From Home

Overview

As Principal Enterprise Security Architect you will lead and deliver secure technology solutions aligned with enterprise security strategy, government standards, and organisational risk appetite. You will oversee design, delivery, and operationalisation of complex security solutions, risk management, and implementation/monitoring of Security assurance, while providing enterprise-wide risk consultancy, stakeholder engagement, and leadership.

Main Responsibilities
  • Lead the Cyber Security architecture and design function across the client's programmes to deliver at national scale.
  • Oversee design, delivery, and running of Cyber Operational capability, and develop an enterprise architecture aligned with client's guiding principles.
  • Lead the technical Cyber Security design of systems and services across several programmes and technologies at an organisational/inter-organisational level.
  • Research, identify, validate and adopt new security tech, architecture, and methodology.
  • Lead engagement with client customers (across both UK Government and the private sector) on security risk and decision-making.
  • Communicate current/emerging threats while designing security architecture to mitigate against them.
Experience / Qualifications
  • Must hold one of the following: Certified Information Security Systems Professional (CISSP), SABSA Chartered Security Architect (SCF), Certified Information Security Manager (CISM).
  • Referenceable, in-depth knowledge and experience in Cyber Security and IT (including business process design).
  • Understanding of IT networking and virtualization technologies.
  • Ability to define architecture roadmaps and associated strategies (including design analysis).
  • In-depth assessment of IT systems, cloud offerings and IT Security controls to provide an independent view of their compliance and effectiveness with Security Policy, IT Security standards, and regulatory requirements.
  • Ability to assess architectural designs to determine whether the relevant Security controls have been identified in line with business objectives and risk mitigation.
  • Experience of cross-security domain approaches and solutions.
Security Clearance

All candidates must either hold UK Security Clearance (SC Level) or be eligible to obtain security clearance.

Equal Opportunities

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.