18 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...

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...

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...

Seeking an experienced Private 5G Solution Architect to provide technical assurance support for a Private 5G deployment programme. The engagement will focus on reviewing and validating the end-to-end solution architecture delivered by the implementation partner, ensuring that the solution design is technically robust and aligned with operational requirements. The role will provide independent technical oversight across the programme, supporting programme governance and providing clear technical feedback to senior stakeholders. The deployment includes both indoor and outdoor operational environments. Candidates must demonstrate: Experience designing or reviewing end-to-end Private/Public 5G solutions Strong understanding of 5G architecture and telecom infrastructure Knowledge of radio access networks (RAN) and private mobile networks Experience reviewing high level and low-level telecom designs Understanding of edge computing and datacentre integration...

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,...

Application Architect - Contract Location: London (2-3 days per week on-site) Contract: 6 month Rate: £650 - £700 per day A leading international professional services organisation is seeking an experienced Applications Architect to support the selection, design, and global rollout of enterprise-grade applications across a complex, distributed environment. This role requires strong architectural capability across Microsoft 365, Azure, SaaS/COTS platforms, and enterprise integrations. You'll work embedded within the Strategy & Architecture function, supporting governance, design assurance, and technical leadership across multiple ongoing initiatives. Key Responsibilities: Act as the technical lead for new applications and cloud-hosted SaaS projects Own architectural design, governance, and technical decision-making Produce detailed architecture artefacts including HLDs, LLDs, patterns, and standards Support the global rollout and adoption of...

Application Architect - Contract Location: London (2–3 days per week on-site) Contract: 6 month Rate: £650 - £700 per day A leading international professional services organisation is seeking an experienced Applications Architect to support the selection, design, and global rollout of enterprise-grade applications across a complex, distributed environment. This role requires strong architectural capability across Microsoft 365, Azure, SaaS/COTS platforms, and enterprise integrations. You’ll work embedded within the Strategy & Architecture function, supporting governance, design assurance, and technical leadership across multiple ongoing initiatives. Key Responsibilities: Act as the technical lead for new applications and cloud-hosted SaaS projects Own architectural design, governance, and technical decision-making Produce detailed architecture artefacts including HLDs, LLDs, patterns, and standards Support the global rollout and adoption of...

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 governance and design of the business' enterprise applications portfolio, ensuring adherence to...

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...

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...

We are recruiting for a SC Cleared ServiceNow Consultant on contract to work for a leading IT Service Provider based in Milton Keynes and Remote. The essential core skills are SPM, IRM You'll join an established delivery community of Technical Consultants, Senior Technical Consultants and Technical Architects, engaging on clearly defined client engagements where your expertise can make an immediate impact. This role is well suited to experienced ServiceNow professionals who enjoy varied client work, collaborating with high-performing teams, and contributing their skills where they add the most value. If you're looking to work on challenging, high-profile engagements within a mature and well-regarded ServiceNow Centre of Excellence, Our client offers an environment where your contribution is valued from day one. Requirements: You will hold Government SC clearance and be prepared to work onsite in Milton Keynes You will have proven implementation experience in...

Cloud/Infrastructure Engineer, outside IR35 - SC Cleared - Milton Keynes - £600 per day - 2 days a week onsite We are looking for experienced Cloud/Infrastructure Engineers who have a proven track record in providing solution design advice to clients. The ideal Cloud/Infrastructure Engineer will have worked on large scale agile programmes in the public sector. About you Our ideal candidate is conscientious, client-focused and able to work to tight deadlines, sometimes at short notice. You are reliable, self-motivated and able to work without close supervision. You are technically proficient with impressive analytic and communication skills; you are comfortable with talking to clients and enjoy the variety of working on different projects. You can code if necessary, and produce high quality written outputs. You are likely to be an experienced architect, with a strong track record of application delivery and possibly with a management consultancy or solution integrator...

REQUIRED: MOBILE ARCHITECT DURATION: 6 MONTH INITIAL CONTRACT IR35 STATUS: OUTSIDE LOCATION: FULLY REMOTE WITH VERY OCCASIONAL TRAVEL ROLE SUMMARY The Mobile Technology Architect is responsible for defining, owning, and governing the end-to-end mobile architecture for large-scale enterprise applications. This role spans iOS, Android, Back End integration, AWS cloud platforms, security, and CI/CD, ensuring scalable, secure, and high-performing mobile solutions from concept through production. KEY RESPONSIBILITIES * Define and own mobile application architecture across iOS and Android platforms using Swift, SwiftUI, Kotlin, and Java. * Establish and govern architectural patterns such as MVVM, Clean Architecture, and modular design. * Design and validate Back End integration patterns with scalable microservices built using Scala, Akka, or Java. * Define API contracts (REST ), error handling, versioning, and backward compatibility strategies. * Architect cloud-native solutions on...

Job title: Project Manager – CDD Transformation Duration: 6 Month FTC Location: London – Hybrid (2 days a week) Rate: £600 - £750 pd (outside IR35) About the Business Join one of the world’s leading payment technology businesses, processing billions of transactions globally. The UK business operates under FCA oversight and is in the midst of a significant digital transformation of its merchant onboarding and compliance infrastructure. The Project This role sits at the heart of a compliance and financial crime transformation with a clear commercial mandate: speed to revenue whilst remaining fully compliant with FCA requirements. Platform: Salesforce 20-week continuous build with a hard deadline of end August Blended delivery team of Architects, Scrum Masters and Business Analysts Key Responsibilities Team Organization & Visibility Establish clear workstream ownership across developers, architects and BAs Create a single trusted view of...