3 of 3 Permanent Senior Security Architect Jobs in the City of London

Senior OT/CNI Security Architect UK-based | Remote with client travel | Must be eligible for UK Gov Security Clearance We’re seeking a Senior OT Security Architect to join a fast-paced consulting engagement within a complex, high-impact technology environment. The Senior OT/CNI Security Architect will … secure some of the most critical environments in the UK – from energy and utilities to transport, manufacturing and wider CNI clients. You’ll blend hands-on technical expertise and security architecture with a consulting mindset, acting as a trusted advisor to clients and shaping secure-by-design OT/ICS and hybrid IT/OT solutions. What you’ll … do: Design and deliver OT/CNI security architectures for ICS/SCADA, industrial networks and hybrid IT/OT environments Produce key artefacts: threat models, risk assessments, high/low-level designs, security roadmaps Work with client engineering, ops and security teams in a trusted advisor capacity Lead or support cyber/OT security assessments More ❯

Senior Cyber Architect Salary: £70,000 - £80,000 base DOE Remote/Home-based role with infrequent travel to client sites as and when required. MUST be eligible for UK Government Security Clearance. We’re seeking an experienced Senior Cyber Architect to join a fast-paced consulting engagement within a complex, high-impact technology environment. … purely advisory position; it’s for someone who can design, build, and implement secure solutions across on-premise, cloud, and hybrid infrastructures . You’ll take ownership of key security projects, applying deep technical understanding to real-world challenges, and ensuring solutions are both secure and practical. We’re looking for someone who mirrors the blend of hands-on … guiding organisations on their secure-by-design journey, and working across diverse industries and technologies, this could be your next big move. What you’ll be doing as a Senior Cyber Architect: Acting as a trusted advisor to clients, shaping secure security architecture solutions from concept through to implementation. Designing and implementing security controls, frameworks, and More ❯

ISG Provider LensTM 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025 About Position and details: Role : Security Architect (HLD) Location: Harbour Exchange Square, London Hybrid: 2 days to office Job Type: Permanent role JD: Experience in authoring substantial quality high level designs-Must Identity and … Access Management (IAM) is Must Expertise in producing security solutions Expertise in designing and integrating various security tools specially. Expertise in Infrastructure cloud solutions (AWS, GCP, Azure) Key responsibilities: Develop Solution Design Documents (SDDs) for security solutions, ensuring alignment with enterprise architecture and security policies. Design and architect solutions across various security domains including … Data Loss Prevention (DLP) Security Information and Event Management (SIEM) Identity and Access Management (IAM) Endpoint Detection and Response (EDR), MDM, and Endpoint Management tools Cloud and On-Prem Security Solutions Collaborate with stakeholders such as IT operations, application teams, compliance, and risk management to gather requirements and translate them into secure technical designs. Evaluate and recommend security More ❯