22 enterprise architect jobs found in London

Overview An organisation operating in complex, secure environments is seeking a Lead Enterprise Architect to drive enterprise-wide architecture strategy across multiple programmes and domains. Key Responsibilities Lead enterprise architecture development and governance across programmes Define and maintain architecture principles, standards, and frameworks aligned to business strategy Shape architecture strategy for a major Line of Business Provide technical leadership across cloud, infrastructure, data, applications, and security Chair design reviews and ensure alignment with strategic and security objectives Drive innovation, research, and capability development Represent the organisation at senior external forums Mentor and develop the internal architecture community Requirements Proven experience leading enterprise architecture in large, complex environments (Essential) Strong background in defence/aerospace programmes within secure or government contexts (Essential)...

Outside IR35, Lead Architect, Enterprise Architect, Martech, Dynamics CRM My leading client is looking for a Lead Architect / Enterprise Architect to define and drive the enterprise-wide architecture for a fast‑growing digital organisation expanding across the international markets. This role shapes our future-state architecture, unifies our platforms, and ensures we can scale safely, efficiently, and compliantly. What You'll Do Define and evolve a modular, scalable target architecture for multi‑market digital platforms. Guide build vs. buy decisions, platform reuse, and third‑party integrations. Partner with technology, product, and delivery teams to bridge strategy and execution. Drive adoption of modern engineering practices (CI/CD, observability, IaC, modular design). Oversee architectural governance for new features, migrations, and multi‑market deployments. Ensure architectures meet regulatory, data residency, and compliance requirements. What You Bring Experience...

Systems Engineer - Satellite Communications Portsmouth, UK 6 Month Inital Contract The Opportunity: Shape the Future of Secure Space-Based NetworksAn exceptional opportunity has arisen for a talented Systems Engineer to join our Lead Systems Engineers and Architects team within Defence & Space industry in Portsmouth, UK. This is your chance to directly contribute to the next generation of critical military satellite communications capability, including key future-looking programmes like the UK MOD's Skynet Enduring Capability and other vital Milsatcom initiatives. Our client has a proven track record, having delivered Milsatcom capability to the UK MOD from Skynet 4, through the successful Skynet 5 PFI, and currently delivering Skynet 6A on orbit. They are setting the standard for inter-satellite links, navigation, and space-based networks. Join us to be at the forefront of these exciting, engaged, and future-focused technologies. As a Systems Engineer, you will be pivotal...

Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week.   Your responsibilities: Contribute across the full software development lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset. Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives. Collaborate closely with team members and wider stakeholders to design, implement and test new product features. Contribute...

Contract Lead Architect (Azure and D365 Expertise) Contract OIR35, UK  Hybrid - office weekly / few times per month: Must have Digital Health / Pharma Sector and MS D365 / Azure experience A leading organisation is seeking a visionary Lead Architect to define and drive its enterprise-wide architecture strategy and aligned in flight projects This role is pivotal in shaping a unified, scalable,  technology platform that supports Patient Journey and Digital product innovation. Experience of Transformation alongside Architecture is desirable. It’s about setting the architectural principles, structure, and systemic coherence across Azure, D365, infrastructure, data, applications, and integrations — enabling high-quality experiences for patients and healthcare professionals. Essential Technical Skills: Strong Azure Cloud expertise Microsoft Dynamics 365 CRM & ERP platforms Customer / Patient-facing applications & healthcare UX design Data governance & analytics with EU...

Solution Architect Location: London - 2/3 days on site Duration: 04/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities: Lead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. Collaborate with cross-functional teams to define project scope, objectives, and deliverables. Create the high-level design (or solution architecture documents) for the business requirements Produce several option papers and work with architecture community and forums to get the designs approved Proficient using architectural principles and patterns, variety of solution types, detailed design patterns, best practices, integration choices etc Design solutions reducing technical debt with futuristic solutions aligning to enterprise architecture and vision Aim to reuse the existing applications, services, and data, wherever possible Work with cross-functional teams to deliver the defined scope, objectives, and...

Principal Portfolio Architect 6 months - possible extensions until Jan 2027 London Inside IR35 - Umbrella only What I'll be doing - your accountabilities End-to-end Architecture Strategy/Roadmap and Design of the Wholesale Customer Segment Sets and drives the target architecture strategy/roadmap and overarching blueprint aligned to the Business vision. Drives adoption of the strategic architecture, balancing the outcomes needed of the tribes (including transition states from current to planned) You will align expected outcomes balancing customer value and technical debt (including relevant technology KPI targets), providing proactive Architecture assurance and architecture governance. Guides on the technical shaping and feasibility driving definition of Lean Business Cases, epics and features, identifying major dependencies, estimating cost and complexity. Inputs relevant tribe roadmaps content into overall Business architecture roadmap and strategy Responsible for...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Join Our Team as a Technical Architect! Are you ready to play a pivotal role in transforming the energy sector? Our client, a leading organization in the Utilities industry, is on a mission to create a secure, resilient, and net-zero energy system. They are seeking a passionate and skilled Technical Architect to join their Strategy & Architecture team for a 6-month fixed-term contract. This is an exciting opportunity to make a real impact in the world of energy management! Role: Technical Architect Duration: 6 Months Location: Wokingham (Hybrid 2 Day in Office) Rate: £700 pd...

IT Integration Delivery Lead (Contract) We are looking for an experienced and forward-thinking IT Integration Delivery Lead to support a major programme of work. This role requires someone who can work across multiple technical and operational teams, ensuring delivery plans are aligned, risks are understood, and integration activities progress smoothly. It is a hands-on role involving coordination, planning, and direct project work where needed. Key Responsibilities: * Work closely with senior IT leaders to develop a unified delivery plan. This includes both technical implementations and operational changes. * Partner with project managers and business stakeholders to define the overall schedule, scope, and interdependencies across the full IT integration programme. * Consolidate reporting across the delivery portfolio, supporting the Digital PMO with updates on progress, risks, issues, key milestones, resourcing pressures, and budget alignment. * Assist in change management...

Microsoft AI Architect – Strategy & Governance (Copilot Studio, Power Platform) – £700 per day Outside IR35. 10 weeks initially. Hybrid role - London 1-2 days per week A Microsoft AI Architect - Strategy & Governance (Copilot Studio, Power Platform) is required by a leading financial services client to lead the strategy and governance of enterprise AI and Power Platform adoption. This is a critical programme focused on building scalable frameworks across Copilot Studio, Power Platform, and Azure AI. To be successful in this Microsoft AI Architect - Strategy & Governance (Copilot Studio, Power Platform) role, you will have: Proven experience defining Power Platform strategy and governance in enterprise environments Strong delivery of Copilot Studio / AI strategy and governance (essential) Deep expertise in Power Platform governance (environment strategy, pipelines, provisioning, licensing, compliance) Experience enabling Citizen Development vs Pro Development...

Security Architect (6 month Contract) - £700 to £800pd (Inside IR35) - London (Hybrid once per week) I am currently looking for a Security Architect to provide senior technical leadership in the design and implementation of secure systems, ensuring security is Embedded into enterprise, cloud, and application architectures.  Key Skills needed Significant experience designing secure enterprise or cloud architectures. Strong knowledge of cloud security (eg, AWS, Azure, or GCP). Experience with security architecture frameworks and threat modelling methodologies. Understanding of identity and access management, network security, and data protection. Ability to advise stakeholders and guide technical teams on security best practices. Desirables - Certifications in: CISSP, SABSA, TOGAF, Cloud security (eg, AWS Security, Azure Security)If interested and feel yourself well suited, please reply with your latest CV and I will be in touch to discuss in more detail

Automation Lead – Infrastructure Automation | Contract | £400–£525 per day (Inside IR35) Location: London or Norwich (Hybrid) We are seeking an experienced Automation Lead to drive infrastructure automation and operational automation initiatives across strategic enterprise accounts. This role will focus on delivering automation roadmaps, improving automation maturity, and implementing scalable solutions across IT operations and infrastructure environments. You will work closely with delivery teams, engineering teams and client stakeholders to design and implement automation strategies that improve efficiency, reduce operational overhead and increase platform reliability. Key Responsibilities * Lead automation strategy and automation roadmap development across multiple enterprise accounts * Implement infrastructure automation and IT operations automation solutions * Identify automation opportunities and drive automation maturity across business units * Work with...

Azure DevOps Engineer (SC Cleared) Location: London (Hybrid – 3 days onsite / 2 days WFH) Rate: £550–£650/day (Inside IR35) Contract: 6 months Start: March/April 2026 Role Overview Seeking an SC‑cleared Azure DevOps Platform Engineer with strong Azure cloud expertise including Databricks and Data Factory. You’ll support large‑scale government programmes, delivering secure, scalable platform engineering across Azure services. Key Responsibilities Engineer and maintain Azure platform components: Databricks, Data Factory, WebApp Service, API Management/APIOps Build and support core infrastructure using Infrastructure‑as‑Code (Terraform)  Implement and optimise CI/CD pipelines Deliver cloud‑native, containerised solutions using Docker and AKS Improve platform reliability, automation, and developer experiencePreferred Certifications Azure DevOps Engineer Expert Azure Administrator Associate Azure Solutions Architect ExpertRequirements Active SC Security Clearance (mandatory)...

Application & Data Architect - DV Cleared Rate: £625 a day Location: Reading - full time on site Duration: 6 months + Clearance: UKSV DV Clearance required A leading global technology consultancy is looking for an experienced Application & Data Architect to join a high-profile Defence programme within a Joint Design Team. This is a hands-on senior architecture role at the heart of a complex, secure delivery environment - shaping how applications are designed, assessed, and evolved across a significant enterprise estate. The Role You'll lead the design and technical assurance of secure-by-design application and data architectures, owning architectural decisions across software systems of varying scale and risk. Day-to-day you'll conduct application technical assessments, engage directly with delivery teams and senior stakeholders, and help drive long-term architectural direction while addressing immediate backlog priorities. What You'll Need Strong enterprise...

Senior ITSM Engineer Must have an Active DV Clearance 4 Day weeks are available Senior ITSM Engineer Opportunity An opportunity exists for an experienced Senior ITSM Engineer to join a specialist ITSM Tooling team delivering enterprise service management solutions within secure Defence environments. The Senior ITSM Engineer will support the development, implementation and optimisation of ITSM tooling across multiple programmes and customer environments. The Senior ITSM Engineer will work as part of an Agile delivery team producing build documentation, configuration standards and implementation plans for complex ITSM platforms. This role suits a technically strong Senior ITSM Engineer who enjoys working with both traditional and modern service management tooling while delivering secure and resilient solutions. Senior ITSM Engineer Responsibilities Design, configure and deploy ITSM tooling solutions across secure environments. Produce build documentation, implementation plans...

Technical Architect / 6 Month Contract / Milton Keynes / Inside IR35 / £640 / Hybrid – 3 days onsite   An architect resource is required to support a major government body with the delivery and management of key national security capabilities. You will be working with customers, engineering and development teams to support the solution whilst providing key technical inputs and governance.   Essential Skills: Experience in relevant roles, including technologies in enterprise and virtual environments and of working within a secure environment Experience of server/operating system (Microsoft and Linux), network technologies, as a minimum Hybrid Cloud, Gateways, PKI, Email, VMware virtualisation platforms (including VCD, VSAN, and NSX), SASE architecture, Cisco Palo Alto Experience creating technical and architectural documents such as options assessments, low and high-level technical designs. DevSecOps experience in automation and improvement in development and release processes...

Senior Technical Architect (Security) £550pd - £650pd DOE (Inside IR35/Umbrella) 6 Month Initial Contract Milton Keynes Hybrid - 3 days in office DV / SC Clearance ideally Are you a Technical Architect with experience of working in a secure enterprise environment? Are you DV or SC cleared? My central government client are looking for a Senior Technical Architect to support with the delivery and management of key security capabilities. You will support technical teams in delivery capabilities, providing 4th level oversight on technical issues. You will be responsible for the maintenance and development of high and low designs for product and carry out Impact assessment of functional, capability and security changes. The successful candidate will have experience of working in a secure environment. You will need experience of server/operating system (Microsoft and Linux), network technologies, as a minimum: - Hybrid Cloud - Gateways - PKI - Email - VMware virtualisation...

Role Title: GoAnywhere SME Location: Remote - odd Birmingham for workshops Rate: 552 Expenses & Overtime - Yes MUST HAVE SC CLEARANCE OR BE ELIGILBE MUST BE PAYE THROUGH UMBRELLA Role Description: BPSS and SC/SC eligibleGoAnywhere MFT Architect / Subject Matter Expert (SME) with hands on technical experience. Will be responsible for the design, build and configuration of the GoAnywhere Managed File Transfer product within a highly available, on premises Critical National Infrastructure (CNI) environment. The role focuses on secure file transfer between segregated security domains, specifically CNI to Enterprise environments, operating under strict connectivity constraints. The SME will deliver low level designs, build documentation, and perform the end to end implementation of the platform within a VMware based virtual infrastructure, aligned to enhanced CAF and CIS 2 security standards. Key Responsibilities Design and implement secure GoAnywhere MFT solutions for on...

Solutions Architect Initial 11-Month Contract Hybrid Working in Manchester £450 - £550, Inside IR35 We're working with a Global IT Services Provider who are looking for a Solution Architect to support the design and delivery of enterprise-scale systems, aligned to business and technology strategy. Key Responsibilities: Design end-to-end solutions aligned to strategy and standards. Produce clear solution architecture documentation and views. Support delivery teams and collaborate with engineering. Design microservices and event-driven architectures. Contribute to roadmaps and governance forums. Engage and influence senior stakeholders. Required Experience: Experience working as a Solution Architect within Public Sector environments (essential) Strong experience with SaaS product selection and implementation. Deep technical knowledge of microservices, APIs, and file-based integrations. Experience designing event-driven architectures and modern integration patterns. Strong...

AI Specialist – GenAI / LLM / AI Architecture We’re seeking an experienced AI Specialist / AI Architect to lead the design, governance and delivery of enterprise-scale Generative AI (GenAI) solutions. This is a high-impact role focused on LLMs, RAG (Retrieval-Augmented Generation), and agentic AI systems, working across strategy, architecture and hands-on delivery. Key Responsibilities: * Design and implement LLM-based solutions, including RAG pipelines, vector databases, and embeddings * Define AI architecture, frameworks, and governance standards for enterprise adoption * Lead AI strategy, roadmap and proof-of-concepts (PoCs) * Evaluate models, benchmark performance, and manage AI risk and responsible AI frameworks * Develop agentic AI / multi-agent systems with orchestration, memory and tool usage * Work closely with senior stakeholders to guide AI investment and decision-making Key Skills & Experience: * Strong experience in Generative AI, LLMs, and...