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Security Architect

Harvey Nash
Leeds
2 months ago
Applications closed

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Specialist IT & Business Architecture Recruitment Consultant

Job Title:Security Architect

Location:Leeds Area or Newcastle Area (Hybrid Working)

Salary:Up to £70,000 + 12% Pension + 15% Bonus + £3K Car Allowance

Employment Type:Permanent | Full-Time

Start Date:ASAP | Interviewing Now

Help shape the future of secure enterprise architecture.

Join a major UK Utilities organisation leading a £100M transformation of its digital and operational technology estate.

FromServiceNow implementation and back-office system upgradesto cloud integration and modernisation ofon-premise data centres, this is a rare opportunity to architect security across one of the UK’s most critical infrastructure environments.

As aSecurity Architect, you’ll embed secure-by-design principles across IT and OT systems, working alongside Solution Architects and a dedicated Cybersecurity team. You’ll guide technical decisions that ensure risk, compliance, and innovation are aligned from day one.

What You’ll Do

  • Define and deliverenterprise-wide security architectureacross hybrid cloud, on-prem, and OT environments.
  • Collaborate with technical and non-technical stakeholders to embed security into solutions from design through to delivery.
  • Develop reusable security patterns, architecture principles, and frameworks.
  • Drivesecurity architecture across digital programmessuch as ITSM (ServiceNow) and back-office modernisation.
  • Conductthreat modelling, risk analysis, and define security requirements for systems includingremote access (VPNs)and secure OT-to-IT data exchange.
  • Ensure compliance with industry standards such asISO27001, NIS Directive, andNCSC’s Cyber Assessment Framework (CAF).
  • Support long-term architectural planning, contributing tomulti-year roadmapsand aligning solutions with regulatory and business strategy.

What You’ll Bring

  • 3+ years of experience as aSecurity Architect, ideally in enterprise or regulated environments.
  • Deep understanding ofIT/OT architecture,including air-gapped systems and thePurdue model.
  • Experience supporting large-scale transformation programmes withcloud, infrastructure, and legacy system exposure.
  • Familiarity with industry standards and secure system development life cycles.
  • Strong stakeholder engagement skills, able to align security decisions with business goals.
  • Hands-on experience withServiceNowor similar ITSM platforms.
  • Familiarity with utilities, energy, orcritical infrastructuresectors.
  • Prior experience working with or in aDistribution Network Operator (DNO).
  • OT security experience is highly beneficial, but we also welcome strong cloud/infrastructure candidates looking to grow in this space.

What You’ll Get

  • Base Salary: Up to £70,000
  • 12% Company Pension + Annual Bonus (up to 15%)
  • Car Allowance (~£3K)
  • 25 Days Annual Leave + Bank Holidays
  • Long-term career progression in a high-impact national infrastructure programme

You’ll lead on design and governance, while working closely with a separate Cybersecurity team handling operational response and tooling.

Apply nowto play a strategic role in securing one of the UK's most ambitious digital transformations.

Seniority level

  • Seniority levelMid-Senior level

Employment type

  • Employment typeFull-time

Job function

  • Job functionInformation Technology, Strategy/Planning, and Consulting
  • IndustriesUtilities

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