Principal Security Architect

Eden James Consulting Ltd
London, United Kingdom
Last week
Job Type
Permanent
Work Pattern
Full-time
Work Location
On-site
Seniority
Lead
Education
Degree
Security Clearance
Required
Posted
18 May 2026 (Last week)

This is a rare opportunity to take ownership of cyber security architecture at national scale, sitting at the heart of a programme with real national significance. Backed by substantial government investment, our client is developing a world-first resilient infrastructure capability designed to protect the critical services that modern society depends on, including telecommunications, banking, transport and emergency response. As Principal Security Architect, you will serve as Security Pillar Lead across a portfolio of complex programmes, shaping strategy, leading assurance, and ensuring that the technology underpinning essential national services is built to remain secure and robust under any conditions.

Key Responsibilities:

  • Lead the cyber security architecture and design function across a portfolio of the programmes, including the technical design of systems and services at an organisational and inter-organisational level, delivering at national scale.
  • Oversee the design, delivery and running of cyber operational capability, developing an enterprise architecture aligned with guiding principles and organisational risk appetite.
  • Research, identify, validate and adopt new security technology, architecture and methodology.
  • Lead engagement with customers across UK Government and the private sector on security risk and decision-making.
  • Communicate current and emerging threats, whilst designing security architecture to mitigate against them.

We are looking for a senior cyber security professional who combines deep technical architecture expertise with the confidence to operate at executive and government stakeholder level. You will bring a track record in enterprise security design, risk management and assurance across complex, multi-domain environments, and you are comfortable translating emerging threat landscapes into practical, proportionate security decisions.

Skills, Experience and Qualifications:

  • Referenceable, in-depth knowledge and experience in cyber security and IT, including business process design and cross-security domain approaches.
  • Understanding of IT networking and virtualisation technologies.
  • Ability to define architecture roadmaps and associated strategies, including assessment of IT systems, cloud offerings and security controls to provide an independent view of their compliance, effectiveness and alignment with business objectives and risk mitigation.

Here is an example of some of the Cyber Security Certifications expected for this role:

  • Certified Information Security Systems Professional (CISSP)
  • SABSA Chartered Security Architect (SCF)
  • Certified Information Security Manager (CISM)

Security Clearance:

This role requires SC clearance as a minimum with no restrictions, or the ability to obtain it.

Roles like this rarely come to market. The combination of technical complexity, national importance and genuine scope to shape security architecture from the ground up makes this an exceptional opportunity for the right person. If you are ready to move beyond incremental work and make a national difference please get in touch.

We do not retain any personal information without your permission. Please refer to our data protection policy on our official website for more information.

Related Jobs

View all jobs

Principal Security Engineer, SDO AppSec EMEA

Amazon London, United Kingdom
Permanent

Principal Architect - SecOps

Palo Alto Networks London, United Kingdom
Hybrid

Principal Architect - NetSec

Palo Alto Networks London, United Kingdom

Lead Cyber Security Consultant (Defence)

Sanderson South West England, United Kingdom
Hybrid Clearance Required

Principal Network Security Engineer

Entrust Newbury, United Kingdom

Principal Engineer (Microsoft)

Claranet Wc2E7Bb, WC2E 7BB, United Kingdom
On-site Clearance Required

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Where to Advertise Cyber Security Jobs in the UK (2026 Guide)

Where to advertise cyber security jobs UK in 2026: the specialist boards, communities and channels that reach offensive, defensive and GRC security talent. The candidate pool is small, heavily vetted and in high demand across government, financial services, critical national infrastructure and the private sector simultaneously. Many of the strongest candidates hold active security clearances, are not actively job-searching through general platforms, and move primarily through specialist networks and trusted referrals. General job boards reach a broad audience but lack the specificity that security professionals expect. Specialist platforms, government-affiliated channels and cleared candidate networks each serve a different part of the market. This guide, published by CybersecurityJobs.tech, covers where to advertise cyber security roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about hiring across different role types.

Cyber Security Jobs UK 2026: What to Expect Over the Next 3 Years

Cyber Security Jobs UK 2026: roles, salaries and the threat intelligence, cloud security and zero-trust hiring trends shaping UK cyber careers. Cyber security is one of the few sectors where demand for talent has never once dipped. Every major technological shift of the past decade — cloud migration, remote working, AI adoption, the proliferation of connected devices — has expanded the attack surface that security professionals are expected to defend. And every expansion of that attack surface has generated more jobs. But the cyber security jobs market of 2026 is not simply a larger version of what it was three years ago. It is a structurally different market. The threats have evolved, the technologies used to combat them have changed, the regulatory environment has tightened considerably, and the roles being created reflect all of that. A job seeker who understands only the cyber security landscape of 2023 is already working with an outdated map. The candidates who will thrive over the next three years are those who understand where the sector is heading — which specialisms are attracting the most investment, which technologies are reshaping defensive and offensive security practice, and how the definition of a cyber security professional is broadening well beyond the traditional image of a network defender in a SOC. This article breaks down what the UK cyber security jobs market is likely to look like through to 2028 — covering the titles emerging right now, the technologies driving employer demand, the skills that will matter most, and how to position your career ahead of the curve.