Job Title: Security Architect Location: Leeds Area or Newcastle Area (Hybrid Working) Salary: Up to £75,000 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. From ServiceNow implementation and back-office system upgrades to cloud integration and modernisation of on-premise data centres, this is a rare opportunity to architect security across one of the UK’s most critical infrastructure environments. As a Security 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 deliver enterprise-wide security architecture across 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. Drive security architecture across digital programmes such as ITSM (ServiceNow) and back-office modernisation. Conduct threat modelling, risk analysis, and define security requirements for systems including remote access (VPNs) and secure OT-to-IT data exchange. Ensure compliance with industry standards such as ISO27001, NIS Directive, and NCSC’s Cyber Assessment Framework (CAF). Support long-term architectural planning, contributing to multi-year roadmaps and aligning solutions with regulatory and business strategy. What You’ll Bring 3 years of experience as a Security Architect, ideally in enterprise or regulated environments. Deep understanding of IT/OT architecture, including air-gapped systems and the Purdue model. Experience supporting large-scale transformation programmes with cloud, 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. Desirable Hands-on experience with ServiceNow or similar ITSM platforms. Familiarity with utilities, energy, or critical infrastructure sectors. Prior experience working with or in a Distribution 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 Your Focus: Security Architecture. You’ll lead on design and governance, while working closely with a separate Cybersecurity team handling operational response and tooling. Apply now to play a strategic role in securing one of the UK's most ambitious digital transformations.