65 senior technical architect jobs found

Location: Farnborough / Heathrow Salary: £600-650 per day (outside IR35) Duration: 6-12 month contract, possible extension * Candidates must ideally already be holding UK Clearance to DV level. Candidates who hold SC may be considered* About Us Parico is an established technology business with a history of delivering innovative and secure solutions to Public Sector customers across the United Kingdom. Our team are motivated individuals that help each other to do remarkable things every day. We face challenges together and we win together. At Parico, we deliver world-class solutions that transform the way that our clients use technology. The Role Parico is seeking a skilled Security Architect to join our dynamic team in tackling complex security challenges across multiple sectors. In this role, you will design and implement robust security architectures that ensure the protection of sensitive data and systems, while guiding the adoption of secure...

D365BC Functional Lead/Architect - 6 months - Outside IR35 - 500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services...

Contract Snowflake Architect Location: Remote / UK Rate: £500 per day (Outside IR35) Contract Length: 12 months Client: Global Consultancy (End Client: Media Industry) We are working with a global consultancy supporting a major media industry client who are undertaking a large-scale data platform transformation. As part of this programme, they are migrating their existing Google Cloud Platform (GCP) data environment to Snowflake and require an experienced Snowflake Architect to help design and deliver the new architecture. This is a 12-month contract engagement paying £500 per day Outside IR35, offering the opportunity to work on a high-profile data transformation programme within a fast-paced media environment. Key Responsibilities Lead the architecture and design of Snowflake-based data platforms Support the migration of existing GCP data workloads into Snowflake Define best practices for data modelling, performance optimisation and governance...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Contract 6 Months Hybrid Working - (minimum 1 day a month in Jersey) A leading technical consultancy with presence on the island of Jersey are undergoing a major network and infrastructure transformation programme and are looking for an experienced Principal Network & Security Architect to join on an initial 6-month contract . This is a senior architectural leadership role , responsible for shaping network and security architecture across a complex enterprise environment and ensuring solutions delivered by multiple projects and suppliers align with enterprise standards and security strategy. **Please note this role is open to candidates in both UK and Ireland** On Offer   - Day rate - Up to £680 p/d - Outside IR35 - Duration - Initial 6 months - To commence April 1st 2026  The Role You will operate at a programme level , providing architectural oversight and ensuring all network solutions are secure, scalable, and aligned with modern infrastructure...

D365BC Functional Lead/Architect - 6 months - Outside IR35 - 500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Job Title: Lead Architect -SC Location: Warrington/Hybrid (2 days/week on site) Contract Duration : 12 Months Daily Rate: £114.86/hr (Ltd) IR35 Status: Outside IR35 Security Clearance: SC This position is for a lead architect to drive forward the high level and low level designs for the project. The person will be responsible for producing high level, detailed and any other relevant documentation. They will be responsible for providing technical leadership and guidance. Owning any decisions until they are resolved. Act as the domain lead architect within their area accountable for design integrity and secure-by-design practices. Translate business and risk requirements into secure architectural designs across IT and OT systems. Develop security architecture artefacts (eg threat models, design patterns, blueprints) in alignment with strategic frameworks and regulatory expectations. Support and guide projects through architecture governance...

We are seeking an experienced Enterprise Architect to play a key role in the delivery and evolution of Market-wide Half-Hourly Settlement (MHHS) capabilities. This role will shape the enterprise architecture strategy, ensuring systems, platforms, and data architectures align with regulatory requirements, industry standards, and long-term organisational goals. Working closely with business leaders, programme teams, and technology stakeholders, the Enterprise Architect will provide architectural leadership across the MHHS programme, enabling scalable, secure, and future-ready solutions within the energy market ecosystem. Key Responsibilities Define and maintain the enterprise architecture strategy and roadmap supporting MHHS delivery. Ensure architectural alignment across business, data, application, and technology domains. Provide governance and oversight of solution architectures across MHHS initiatives. Collaborate with programme leadership to ensure...

Contract Data Project Manager | 3 months | Fully Remote | Outside IR35 | £450-£520 per day I'm supporting a client undertaking a major data migration from multiple Legacy systems into a new CRM (Salesforce). They need a contract Data Project Manager who can step in immediately, bring structure, and drive delivery at pace. This role requires someone confident managing complex data workstreams, experienced in CRM migrations, and able to add value almost immediately. Role Purpose The Data Project Manager will be responsible for planning, coordinating, and delivering the data sync process between existing systems and the migration of Legacy data from the current CRM platform into Salesforce. The role ensures data quality, integrity, compliance, and business continuity throughout the migration life cycle, working closely with IT, business stakeholders, vendors, and regulatory teams. You'll be working with a team of around 7-8 people across data, engineering, CRM, and business...

Senior Solutions Architect / Technical Architect SC Clearance  £600-650 per day, Outside IR35 Initially 2 months (Very likely long term extensions) Fully Remote Unify are proud to exclusively represent a respected UK Consultancy, who are looking to secure the services of an experienced Senior Solutions Architect / Technical Architect, on an Outside IR35 basis, to support a high-profile program in the Government sector.  We need:  Experience helping to shape and influence product direction based on technical considerations or limitations. Experience managing security considerations with the need to quickly develop the product in order to gain feedback to shape future iterations of the product. Experience working with sensitive, personal information and the requirements for keeping this secure. Experience working within a managed, cloud based architecture (AWS platforms) and managing relationships with key stakeholders from these...

Contract Terms Role Type: Full-time Contract Duration: 6 Months Target Start Date: April 2026 Working Pattern: Hybrid (On-site presence in Jersey required 1 day per month) Rate: £680 per day (Outside IR35) We are seeking an experienced Principal Network & Security Architect to provide strategic architectural leadership for a major enterprise infrastructure and network transformation programme. This role operates at a programme level, ensuring that network solutions delivered across multiple projects and suppliers are cohesive, align with enterprise architecture standards, and strictly adhere to cyber security strategies and Zero Trust principles. Key Responsibilities Programme Leadership: Provide architectural guidance and oversight for network and security domains across the transformation programme. Standards & Governance: Define and maintain architecture standards, design patterns, and guardrails to ensure consistency. Design...

Senior Solutions Architect / Technical Architect SC Clearance £600-650 per day, Outside IR35 Initially 2 months (Very likely long term extensions) Fully Remote Unify are proud to exclusively represent a respected UK Consultancy, who are looking to secure the services of an experienced Solutions Architect / Technical Architect, on an Outside IR35 basis, to support a high-profile program in the Government sector. We need: Experience helping to shape and influence product direction based on technical considerations or limitations. Experience managing security considerations with the need to quickly develop the product in order to gain feedback to shape future iterations of the product. Experience working with sensitive, personal information and the requirements for keeping this secure. Experience working within a managed, cloud based architecture (AWS platforms) and managing relationships with key stakeholders from these teams Government/Client...

Principal Network & Security Architect Contract 6 Months Hybrid – Jersey – 1 day per month required Overview An organisation undergoing a major enterprise infrastructure and network transformation programme is seeking an experienced Principal Network & Security Architect to provide architectural leadership across network and security domains. The role will operate at a programme level, ensuring network solutions delivered across multiple projects and suppliers align with enterprise architecture standards, cyber security strategy, and secure-by-design / Zero Trust principles. Key Responsibilities • Provide programme-level leadership for network and security architecture • Define architecture standards, guardrails and design patterns • Review and assure supplier design artefacts (HLDs, LLDs, technical standards) • Ensure alignment with enterprise architecture and security strategy • Embed Zero Trust and...

D365BC Functional Lead/Architect - 6 months - Outside IR35 - 500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Senior F5 Engineer, £440 per day outside IR35 3 months rolling, Remote Working Bench IT require an experienced F5 Technical Architect to provide hands-on, expert-level support across their F5 estate. The role demands deep technical capability, architectural understanding, and the ability to work independently within a complex enterprise environment. The successful candidate should have the skills and experience included below; Provide hands-on F5 technical and architectural support Design, build, and maintain F5 configurations Strong, demonstrable F5 expertise, including: iRule development, LTM (mandatory), Architectural-level understanding (not just BAU ops) Experience working in large enterprise/service provider environments Support integration of F5 into the wider network/FI architecture Troubleshoot complex issues Improve stability and capability of the platform Operate independently with minimal oversight Senior F5 Engineer, £440 per day...

D365BC Functional Lead/Architect - 6 months - Outside IR35 - 500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead/Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Contract: 12 Months Day Rate: £500 per day (Outside IR35) Clearance: SC Eligible Sector: UK Public Sector Location: Fully Remote (UK-based) Start Date: ASAP Overview We are seeking an experienced Mobile Architect to support a large-scale public sector digital transformation programme. The successful candidate will lead mobile solution architecture across iOS and Android, ensuring scalable, secure, and high-performing mobile services. This is a key role within a modern engineering environment, working closely with product teams, developers, and senior stakeholders. Key Responsibilities Lead the end-to-end mobile architecture across iOS and Android platforms. Define architectural standards, best practices, and technical direction. Work closely with development teams to ensure architectural alignment and technical quality. Provide guidance on native mobile frameworks, patterns, APIs, and tooling. Ensure solutions meet public sector standards around...

Network IT is currently recruiting for an Interim Enterprise Architect, to join our client in the West Midlands on a 6 month initial contract. This is a fantastic opportunity to lead enterprise and solution architecture within a large-scale, complex technology environment, in a sector with dynamic challenges. You'll define and drive the architecture strategy across AI, infrastructure, data, applications, and business processes, ensuring all technical decisions align with both enterprise standards and the evolving needs in a challenging industry sector. You'll also have the opportunity to mentor a team of architects and analysts, collaborating with senior stakeholders up to the C suite level, to shape a long-term technology roadmap that supports digital transformation and operational efficiency. If you're looking for an opportunity to spearhead an architecture function, building credibility and relationships along the way, and delivering true digital transformation, this could be for...

Job Ref :- 843 | Senior Data Engineer (GCP) ( Hybrid | GCP Hybrid | Outside IR35) Apply via LinkedIn or Email your CV to:- HR@AGITCONSULTANCY.CO.UK About the Role We are looking for an experienced Senior Data Engineer to lead the design, development, and optimisation of our cloud-based data infrastructure. This role will take technical ownership of key data engineering initiatives, mentor junior team members, and ensure the security, scalability, and reliability of our data platform. Working closely with engineering, analytics, and security stakeholders, you will play a critical role in enabling data-driven decision-making across the business. Key Duties, Responsibilities & Accountabilities Data Architecture & Engineering Leadership Lead the design and implementation of robust, secure, and scalable data pipelines using ELT/ETL patterns. Develop and promote best practices around modular pipeline design, orchestration, and data transformations....