Security Architect

Harvey Nash

Leeds, England

11 months ago

Applications closed

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Posted: 18 Jun 2025 (11 months ago)

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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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