27 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...

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...

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...

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...

Solution Architect Outside IR35 SC Clearance Required 6months+ Hybrid in Bath (2-3 days per week) £550-£585pd (Outside IR35)   Role Overview  We are seeking a Solution Architect to join our team. In this role, you will be responsible for managing solution assurance and accreditation processes, ensuring the security and reliability of our networks and hosting platforms. You will engage with various projects and platform providers to understand their plans and impact on implementation. Your expertise in architectural modelling and design will be essential in maintaining our architecture models and guiding future developments.   Responsibilities  Manage solution assurance and accreditation processes for security, networks, and hosting platforms during project testing and implementation phases. Oversee interactions with projects and platform providers to assess target platform availability and its implications on implementation plans. Maintain architecture models...

Application Developer - (PostrgreSQL / Python) Bullet Points London - 1 or 2 days per week onsite - City of London 6 months contract £570 per day - Outside IR35 Full Job Description - Senior Application Developer London – Hybrid working (1 – 2 day per week office visit required) 6 months contract - £570 per day – Outside IR35 About the Role We are looking for a Senior Application Developer to design and build a robust PostgreSQL-based data platform that will underpin our investment reporting, risk analytics, regulatory disclosures and performance measurement. This is a genuinely high-impact, greenfield opportunity. You will have real ownership of the platform design and lead the migration away from Databricks and Excel-driven processes — leaving a lasting mark on infrastructure that sits at the heart of our investment operations. What You’ll Be Doing You will lead the design and build of a scalable, secure PostgreSQL data platform to...

London - 1 or 2 days per week onsite - City of London 6 months contract £570 per day - Outside IR35 Senior Application Developer London - Hybrid working (1 - 2 day per week office visit required) 6 months contract - £570 per day - Outside IR35 About the Role We are looking for a Senior Application Developer to design and build a robust PostgreSQL-based data platform that will underpin our investment reporting, risk analytics, regulatory disclosures and performance measurement. This is a genuinely high-impact, greenfield opportunity. You will have real ownership of the platform design and lead the migration away from Databricks and Excel-driven processes - leaving a lasting mark on infrastructure that sits at the heart of our investment operations. What You'll Be Doing You will lead the design and build of a scalable, secure PostgreSQL data platform to support: Portfolio holdings and valuations Performance and attribution reporting Risk analytics...

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...

Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an actively SC Cleared Tech Lead/Solutions Architect (SFIA 6) to support a strategically important government-sector data modernisation programme , focused on establishing an AWS-native Data Landing Zone (DLZ) and leading the prototype-to-production delivery of a Legacy data migration .You will provide technical leadership, architectural direction, and help embed product-led, scalable delivery practices, ensuring high-quality engineering, strong DevOps automation, and smooth knowledge transfer into internal client teams. Essential Skills: Proven experience designing and implementing cloud-native architectures , ideally using AWS. Strong background leading technical delivery across multi-disciplinary engineering teams . Experience architecting and delivering data ingestion, storage,...

Senior Full-Stack Software Engineer (AI/ML Specialist) Contract role, 12 months duration Rate- £500/day Outside ir35, fully work from Home The role is with one of our Global Clients looking for a Senior Full-Stack Software Engineer with deep expertise in AI-powered application development to join their team. This is a senior individual contributor role with opportunities to work on complex, high-impact AI projects across Azure cloud Infrastructure, and AI/ML platforms. Responsibilities: - Design and build scalable, enterprise-grade full-stack multi-agent , agentic AI applications using modern frameworks including Python, Next.js, TypeScript and Node.js. Architect and integrate AI/ML capabilities including RAG pipelines, AI agent orchestration, and LLM-powered features using OpenAI, Azure OpenAI, and LangChain/LangGraph Lead technical design decisions across API design, microservices architectures, translating complex business requirements into clean,...

Hays are now looking for a Solution Architect for one of our local clients: 598 p/d Outside IR35 1-2 Days a week in Wiltshire, the rest is WFH 6 Month Contract with extensions likely Candidates must currently hold SC Clearance We're looking for an experienced Dental / Healthcare Solution Architect to design and deliver secure, resilient dental IT solutions that operate reliably in disconnected, remote or deployed environments. You'll translate clinical and operational needs into scalable architectures, support procurement activities, and ensure solutions meet strict security and assurance standards. What You'll Be Doing -Leading end‑to‑end architecture for dental systems in low‑connectivity or offline environments.-Designing secure, resilient solutions covering PMS/EHR, imaging, clinical workflows, and data synchronisation. -Defining offline‑first and edge patterns (local data stores, sync/replication, store‑and‑forward). -Working closely with clinical,...

Initial 6 month contract Up to £700/day (Outside IR35) London - 2-3 days on-site per week This is a unique chance to shape the future of enterprise applications in a prestigious global law firm. you'll drive the selection, design, and delivery of COTS and SaaS solutions, ensuring seamless adoption across a distributed workforce. Work at the intersection of cutting-edge Microsoft technologies and specialist legal tools, contributing to simplification, efficiency, and innovation while supporting a diverse, high-performing team that values trust, empowerment, and global perspectives. Job Title: Applications Architect Job Type: Initial 6 month contract Rate: Up to £700/day (Outside IR35) Working Arrangement: 2-3 days on-site per week Location: Central London The Role : Act as the primary technical lead for new applications and cloud-hosted SaaS projects, providing subject matter expertise to projects, suppliers, and design governance boards. Own...

ServiceNow Technical Consultant (Telco Order Management) 12 Month contract We are looking for an experienced ServiceNow Technical Consultant with strong hands-on expertise in Telecoms Sales & Order Management (SOMT) . This role is a long-term contract supporting a major telecom delivery programme. It requires both technical build capability and solution-level consulting-purely advisory profiles will not be considered. Role Overview The successful contractor will work on the design and implementation of ServiceNow's Order Management modules within a telecom environment. The position combines hands-on configuration with solution architecture input, supporting end-to-end order management and fulfilment flows. Key Requirements Strong background in Telecoms Order Management Practical experience with ServiceNow SOMT (Sales & Order Management for Telecoms) Good understanding of telco fulfilment workflows and orchestration Technical/Consulting...

IFS Cloud Consultant £600 - £700 per day | Outside IR35 Initial 12-month contract Hybrid role - St Albans (site presence required) IFS Cloud Consultant - Outside IR35 - St Albans TalentBank Technology is supporting a leading organisation within the energy and utilities sector to engage an experienced IFS Cloud Consultant on an initial 12-month contract. This role combines technical leadership, hands-on delivery, and functional expertise across a globally distributed IFS Cloud platform. The successful consultant will work closely with IT leaders, developers, architects, and functional teams to drive platform standardisation, technical excellence, and governance across security, data management, release management, and environment management. Key Responsibilities Define and implement best practices for IFS Cloud security and permissions architecture. Lead release and deployment management including updates, patches, integrations, and configurations. Oversee...

Technical Project Manager (Infrastructure) - £500-£550 per day - Outside IR35 - 3 months initial contract - Hybrid working from a site near Manchester Airport. Our client is seeking a technically aware Project Manager with experience working in infrastructure environments and a strong understanding of enterprise platforms. This role is ideal for someone who has worked closely with infrastructure engineering teams and has been involved in the delivery of technical projects such as server upgrades, Windows migrations, network upgrades, and cloud deployments. Based within our clients' Technical Operations team, you will support and coordinate the delivery of infrastructure initiatives across our global environment. These projects span Azure, Windows Server, Active Directory, Microsoft 365, Exchange, networking, and modern endpoint management platforms. This role requires someone who is comfortable operating in deeply technical environments, understands how infrastructure...