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Security Architect - OT - Operational Technology Around £650/d - Outside IR35 Hybrid working with 2-3 days onsite in Preston 6 months initially, with possible extensions due to the long-term nature of the programme. Active SC Cleared required An exciting opportunity has arisen with a highly recognised organisation in the defence sector, focused on transforming and modernising military and security infrastructure through data-driven digital transformation, battlefield management systems, and advanced cybersecurity. ABOUT THE ROLE In this role you will be joining a bigger team of Security Architects delivering secure, mission-critical systems across the IT/OT environment for a defence client based in Preston. You will be responsible for defining, designing, and governing the architecture of industrial and operational systems that control and monitor physical processes. The role ensures OT environments are secure, and acting as a technical authority across Industrial Control Systems (ICS), SCADA, and IIoT. You will provide strategic direction alongside hands-on architectural leadership. WHAT WILL YOU DO? OT Architecture & Strategy • Support long-term OT roadmaps, modernization initiatives, and IT/OT convergence, • Define and maintain OT architecture principles, standards, and reference designs, • Design end-to-end OT solutions covering control systems, networks, data flows, and integrations, • Ensure architectures meet safety, availability, and operational resilience requirements Industrial Systems & Platforms • Architect solutions across ICS, SCADA, DCS, PLCs, and HMIs, • Review designs, vendor solutions, and system changes for architectural compliance, • Produce clear architecture documentation, standards, and guidance, • Support integration of OT systems with enterprise IT, cloud, and data platforms, • Define standards for industrial protocols (e.g. Modbus, OPC UA, DNP3, IEC 61850), • Embed security-by-design into OT architectures, • Define OT network segmentation, zoning, and access controls (Purdue Model / IEC 62443), • Conduct risk assessments, threat modeling, and architecture assurance reviews, • Support compliance with safety and security regulations and standards WHAT DO YOU NEED TO BE SUCCESFUL ? • Proven experience as an Architect in complex environments, • Strong experience with IT/OT environments and industrial control system architectures, • Understanding of OT cyber security principles and standards, • Experience with ICS/SCADA/DCS environments, • Knowledge of industrial networking and protocols, • Understanding of IT/OT integration and data flows, • Proven experience as an Architect in complex environments, • Previous experience working on MOD and defence project is desired, but not essential For more information and immediate consideration please apply today. Immediate interviews available.

Job Description: Learn more about the general tasks related to this opportunity below, as well as required skills. Agentic Tech Lead (Contract) Location: London 2-3 times a week Industry: Financial Services / Highly Regulated Duration: 7 Months (Initial) Rate: Outside IR35 The Opportunity We are looking for a high-caliber Agentic Tech Lead to drive the engineering delivery of a cutting-edge agentic AI platform. This isn't just about prompt engineering; it's about building robust, end-to-end systems that operate within the rigorous guardrails of a highly regulated environment. As the primary technical driver, you will bridge the gap between ambitious product goals and production-grade reality. You'll be hands-on across the stackfrom AWS Bedrock and Python services to complex React integrationsensuring that agentic translates to value-driven for our customers. The Technical Requirements To thrive in this role, you must be a seasoned engineer who can reason end-to-end across complex architectures. Core Stack: Expert-level proficiency in React, Python, and AWS Bedrock. AI/Agentic Mastery: Deep, practical experience building agentic systems and orchestration concepts. You've done this before and know where the pitfalls lie. Regulated Environments: Proven track record in sectors like FinTech, Gov, or Healthcare. You understand that auditability, logging, and access control are features, not afterthoughts. Full-Stack Fluency: Ability to navigate APIs, cloud infrastructure, and frontend integrations seamlessly, even when not acting as the formal architect. Delivery Leadership: Strong experience leading engineering delivery on complex platforms, with a knack for unblocking teams and driving scope forward. Your Responsibilities Lead Delivery: Coordinate frontend, AI, cloud, and QA activities to ensure a predictable, high-quality release cycle. Bridge Product and Engineering: Collaborate with Product Managers and Architects to translate ambiguous goals into concrete, deliverable backlogs. Own the Core: Take ownership of the implementation of core platform mechanics and technical risks. Problem Solve: Act as the primary escalation point, maintaining momentum through early-stage scoping and high-ambiguity phases. Set the Standard: Implement best-in-class engineering practices, including CI/CD, maintainable codebases, and rigorous testing suitable for financial services. Mentor and Coach: Technically guide a team of engineers, upskilling them in agentic systems and production-grade AI delivery patterns. xrnqpay £600.00 - £650.00 / day Talent International UK and it's subsidiaries, Digital Gurus, Infinite Talent and Rethink act as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this opportunity, you accept the TandC's, Privacy Policy and Disclaimers which can be

Graph Database Specialist (Neo4j / PostGIS) Remote (Europe) | AI-First Geospatial Platform Make your application after reading the following skill and qualification requirements for this position. A product-led tech company is hiring a Graph Database Specialist to build a Neo4j + PostGIS platform at the core of its product. This is a high-impact role where the graph + geospatial layer is the competitive advantage, not just infrastructure. Youll design, scale, and optimise a production-grade data platform handling complex, real-world relationships. Key Responsibilities • Design and optimise Neo4j graph models and Cypher queries, • Build scalable, idempotent ETL / ingestion pipelines, • Architect PostGIS spatial schemas and queries, • Lead migration from legacy systems into graph architecture, • Expose data via high-performance APIs (REST / GraphQL), • Apply AI tools to accelerate development while maintaining data quality Requirements, • Strong Neo4j + Cypher experience (production optimisation), • Solid PostGIS / spatial SQL expertise, • Experience with graph xrnqpay modelling and large-scale ETL pipelines, • Remote: Europe time zones preferred, • Type: Full-time (strong contractors considered), • Start: Urgent

Coordinate closely with CIS/Infrastructure, Security, Network, and Data Platform architects to ensure aligned designs and shared guardrails. This role defines how Azure is designed, consumed, secured, and operated at scale, acting as the central platform authority while coordinating with Cloud Infra

Dell Hybrid Infrastructure Senior Technical Consultant/Architect - (Dell HPE VMware). Fantastic opportunity to join a leading Dell partner and multi-vendor Cloud & IT Infrastructure Solutions & Services Provider as they continue to grow out their top-level Presales Solutions Architecture and Technic

A leading health and social care provider is seeking a Senior Enterprise Infrastructure Architect to guide IT infrastructure and cybersecurity strategies.

Intel Solutions Architect / Presales - Dell / HPE/ VMware / HPC, Server, Storage, Virtualisation, Hybrid Datacenter Infrastructure. VMware Presales Solutions Architect - HPC, Server, Storage, Virtualisation, Hybrid Datacenter Infrastructure - Dell / HPE / VMware. My client, a Tier 1 market-leading I

A leading financial technology firm in the United Kingdom is seeking a Staff Engineer for their Financial Infrastructure team. You will provide expert technical leadership to design and build their cloud-based finance platform, defining standards for distributed architecture and collaborating with p

The Technical Architect will manage the end-to-end delivery working with other Architects and Consultants to ensure our clients projects are delivered with time and quality, a key objective. Experienced Azure architect with delivery of Microsoft infrastructure (cloud & on-premises) background or app

A UK Health Trust is seeking a lead technical authority to oversee all infrastructure-related programmes within their digital portfolio. The role includes defining architecture standards, managing technical resources, and ensuring alignment with organisational strategy. Strong stakeholder management

Previous design experience (or strong engineering background ready to step into architecture). Are you looking for an exciting new opportunity? Join a mission-driven organisation dedicated to strengthening national security through advanced infrastructure and cybersecurity solutions, tailored to mee

You will be responsible for architecting resilient data systems and driving automation through Infrastructure as Code. A leading technology firm in Greater London is seeking a Principal Database Reliability Engineer to enhance their critical database infrastructure.

A technology solutions provider is seeking an experienced Infrastructure Architect with IAM experience to oversee the implementation of complex infrastructure solutions.

A leading technology recruitment firm is seeking a Technical Architect to support innovative solutions involving Infrastructure and Data Center technologies.

A technology solutions provider in Dacorum is seeking a Principal Architect to drive growth in the Cloud & Infrastructure Practice. This role requires over 5 years of experience in leading complex infrastructure solutions, with expertise in cloud technologies such as Microsoft Azure and VMware.

We are looking for an experienced Cloud and Infrastructure Architect to lead cloud adoption, infrastructure modernisation, and platform roadmaps, in alignment with Enterprise Architecture and organisational strategy. Solutions Architect- Infrastructure and Cloud. Support transition from legacy infra

Architect and implement Azure networking solutions including hub‑and‑spoke or virtual WAN architectures. Proven experience as an Azure Infrastructure Architect or similar role. If you are a hands‑on Azure Infrastructure Architect with the skills outlined and enjoy working closely on design and

Cloud Solution Architect - Infrastructure at Microsoft. Strong and proven experience in cloud/infrastructure technologies, IT consulting/support, systems administration, network operations, software development/support, architecture, or related field. Technical – knowledge of Well Architected Fram

A global financial technology leader in Greater London seeks a Senior Systems Architect to enhance their electronic trading infrastructure.

This role requires experience and understanding of Presales Solution Architecture. Produce high-quality documentation to standardise solution architectures.

Knowledge of solution architecture principles, design patterns, and Architecture modelling tools. Hands‑on technical background, preferably from systems engineering with experience of infrastructure architecture. Ensure that the finished product conforms to the architectural principles and standar

A leading global engineering firm in Greater London is seeking a Senior Rail Architect to lead high-quality architectural design for rail infrastructure projects. You'll coordinate with multidisciplinary teams, develop architectural solutions, and mentor junior members.

Knowledge of solution architecture principles, design patterns, and architecture modelling tools. Hands‑on technical background, preferably from systems engineering with experience of infrastructure architecture. Good knowledge of integration techniques, architecture patterns and non-functional dr

Solid understanding of infrastructure security including IAM, PAM, Active Directory, and Entra ID. Collaborate with architecture, security, and delivery teams to ensure alignment and successful outcomes. Proven experience with infrastructure automation and orchestration tools such as Ansible, Terraf

You will be a Cloud Infrastructure Architect with expertise across the spectrum of modern infrastructure such as Networking, Compute, Storage, Databases, Replication, Containerisation, Event Stream Processing and PaaS deployment, with a focus on Oracle technologies; you may have a background as an S

The role involves leading the design, configuration, and support of network architectures within hyperconverged environments.

Network & Infrastructure Architect. Tektora is supporting a secure programme of work that requires an experienced Deployment Architect to deliver across multiple phases of a high-profile infrastructure rollout. Strong background deploying Juniper infrastructure in enterprise or secure settings.

A leading global firm in London is seeking an Architect for a 6-month contract role.

As an Infrastructure Architect, you will define and lead the design of end-to-end infrastructure solutions, ensuring alignment with business goals and architectural standards. Contribute to thought leadership in Infrastructure Architecture and Digital Transformation. Hands-on technical background, i

A leading technology recruitment consultancy in the UK is seeking a Presales Solutions Architect specialized in Network Security, responsible for scoping calls and writing proposals. This role involves leading the Network Security division, collaborating with fellow Solutions Architects and sales te

You will also play a key role in strategic infrastructure planning and stakeholder management, providing technical expertise and guidance while collaborating with various departments to align IT infrastructure solutions with broader organisational objectives. Architect and implement enterprise‑sca

A leading technology recruitment firm is seeking a Cyber Pre-Sales Solution Architect with a strong Cyber Security background.

A leading global financial institution is seeking a Senior Systems Architect to lead electronic trading infrastructure initiatives in London. The role involves driving innovation, ensuring alignment of technology architecture with business needs, and collaborating with various stakeholders.

A specialist recruitment agency in the UK is seeking a Presales Solution Architect to develop new Azure products and services. The role involves creating go-to-market strategies and ensuring scalable cloud architectures.

A leading technology organization in Greater London is seeking an Associate Manager to oversee architectural solutions and provide technical leadership.

The Core Infrastructure Platforms (CIP) Architecture team is seeking a Senior Vice President, Infrastructure Architect to drive architectural governance and end‑to‑end design quality across IaaS and hypervisor platforms, storage, networks, and compute in a large, regulated financial environment.

Technical Architect – Infrastructure/DC/Compute/Network - £95,000 - £110,000 - London once a week (Can be expensed). Chance to work for a top multi-vendor Solution Provider as Technical Architect.

A leading industrial software company is seeking an Infrastructure Architect to join their dynamic team. This role involves designing and managing cloud infrastructure, ensuring security and performance.

A global infrastructure consulting firm is looking for an architectural designer who will work closely within multi-disciplinary teams on various infrastructure projects. The ideal candidate should have strong proficiency in CAD and REVIT, a degree in architecture or engineering, and experience in m

As a Infrastructure Architect, you will be part of a collaborative and highly skilled team supporting PLM/ALM Solutions for customers across the UK. You will be instrumental in designing, implementing, and optimizing our cloud infrastructure to support a diverse portfolio of applications. Cloud Arch

A leading global consultancy is seeking an Azure Infrastructure Specialist with over 12 years of IT experience, including 5+ years focused on Azure. The role involves leading a team, conducting infrastructure assessments, and designing solutions for complex migrations.

A leading enterprise organization in Greater London seeks an experienced Enterprise Services Principal Administrator to lead the design and delivery of a modern hybrid infrastructure environment. The ideal candidate has extensive experience with VMware Cloud Foundation, automation tools, and a stron

Discover how strategic infrastructure turns complex change into measurable value as an Infrastructure Architect at CGI. In this role, you will shape and specify resilient, cost‑aware infrastructure — across cloud and on‑premise environments — that enables next‑generation services for our c

A leading technology recruitment firm is seeking a Mid-Senior level Architect to engage with sales teams and define technology solutions.

We are now recruiting for Senior Enterprise Infrastructure Architect who will play a vital role in guiding the strategic and operational direction of our IT infrastructure and cybersecurity. We are looking for candidates with minimum 5 years’ experience working in a senior infrastructure role, inc

A technology consulting company is seeking a Network & Infrastructure Architect in London. This role involves hands-on work with Juniper networking technologies and SolarWinds monitoring solutions, focusing on delivering a high-profile infrastructure rollout. Candidates should have experience in dep