Find your next tech and IT Job or contract Technical Architect in England

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. CGI are looking to hire a Technical Architect to provide technical leadership for a SDI programme; translating business requirements into architectural designs and ensuring successful implementation across the full project lifecycle. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This will be a hybrid position, based in Leatherhead, however remote working can be supported.

* Significant experience as a technical or solution architect in complex digital or enterprise environments. * Strong software engineering foundation, with practical knowledge of modern application architectures (e.g., microservices, APIs, distributed systems). * Proven ability to design and document architectures using visual modelling techniques such as C4, UML, and data flow diagrams. * Hands-on experience with at least one major cloud provider, ideally AWS, including Infrastructure as Code, platform services, networking, and security controls. * Deep understanding of secure and resilient system design, including authentication patterns, threat modelling, performance considerations, and observability. * Familiarity with Ruby, Python, or Java, and modern development practices such as CI/CD, TDD, and containerisation. * Experience guiding technology decisions, evaluating options, and influencing senior stakeholders. * Strong understanding of data modelling, integration approaches, API design, messaging patterns, and interoperability challenges. * Exceptional communication skills, with the ability to simplify complex topics and build consensus across diverse groups. * Ability to work across the full delivery lifecycle, from discovery through implementation and service transition. Desirable Skills & Experience * Experience with enterprise ERP platforms (e.g., Oracle E-Business Suite). * Knowledge of UK government digital service standards, architecture frameworks, and assurance processes. * Understanding of Domain-Driven Design or event-driven architectural approaches. * Exposure to SRE, platform engineering, or infrastructure architecture disciplines. * Experience contributing to architectural communities of practice or governance forums. * Prior consultancy experience working across multiple product teams or client environments. Personal Attributes * Strong systems thinking and analytical capability, with the ability to understand complex environments quickly. * Comfortable operating in ambiguous or fast-changing environments while maintaining architectural clarity. * Collaborative, empathetic, and committed to building trust with stakeholders at all levels. * Dedicated to continuous learning, technical curiosity, and staying current with emerging technologies. * Pragmatic and outcome-focused, balancing long-term architectural quality with short-term delivery constraints. ________________________________________ Technical Environment The assignment covers a diverse mix of modern cloud-native services and legacy enterprise platforms. Exposure to some of the following areas would be beneficial: * Modern languages and frameworks including Ruby, Java, and Python * AWS cloud services, Infrastructure as Code, platform as a service tooling * Engineering practices such as DDD, TDD, CI/CD, automated testing and Git workflows * Multi-tier platform strategies including centralised data and business logic layers * Enterprise Oracle software including ERP components * Mac-based development environments and public GitHub repositories ________________________________________ Our Values We are committed to a culture built on purpose, transparency, collaboration, and respect. We welcome applicants from all backgrounds and support an inclusive environment where people can thrive. ________________________________________ ACTIVE SC CLEARANCE REQUIRED Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

* Significant experience as a technical or solution architect in complex digital or enterprise environments. * Strong software engineering foundation, with practical knowledge of modern application architectures (e.g., microservices, APIs, distributed systems). * Proven ability to design and document architectures using visual modelling techniques such as C4, UML, and data flow diagrams. * Hands-on experience with at least one major cloud provider, ideally AWS, including Infrastructure as Code, platform services, networking, and security controls. * Deep understanding of secure and resilient system design, including authentication patterns, threat modelling, performance considerations, and observability. * Familiarity with Ruby, Python, or Java, and modern development practices such as CI/CD, TDD, and containerisation. * Experience guiding technology decisions, evaluating options, and influencing senior stakeholders. * Strong understanding of data modelling, integration approaches, API design, messaging patterns, and interoperability challenges. * Exceptional communication skills, with the ability to simplify complex topics and build consensus across diverse groups. * Ability to work across the full delivery lifecycle, from discovery through implementation and service transition. Desirable Skills & Experience * Experience with enterprise ERP platforms (e.g., Oracle E-Business Suite). * Knowledge of UK government digital service standards, architecture frameworks, and assurance processes. * Understanding of Domain-Driven Design or event-driven architectural approaches. * Exposure to SRE, platform engineering, or infrastructure architecture disciplines. * Experience contributing to architectural communities of practice or governance forums. * Prior consultancy experience working across multiple product teams or client environments. Personal Attributes * Strong systems thinking and analytical capability, with the ability to understand complex environments quickly. * Comfortable operating in ambiguous or fast-changing environments while maintaining architectural clarity. * Collaborative, empathetic, and committed to building trust with stakeholders at all levels. * Dedicated to continuous learning, technical curiosity, and staying current with emerging technologies. * Pragmatic and outcome-focused, balancing long-term architectural quality with short-term delivery constraints. ________________________________________ Technical Environment The assignment covers a diverse mix of modern cloud-native services and legacy enterprise platforms. Exposure to some of the following areas would be beneficial: * Modern languages and frameworks including Ruby, Java, and Python * AWS cloud services, Infrastructure as Code, platform as a service tooling * Engineering practices such as DDD, TDD, CI/CD, automated testing and Git workflows * Multi-tier platform strategies including centralised data and business logic layers * Enterprise Oracle software including ERP components * Mac-based development environments and public GitHub repositories ________________________________________ Our Values We are committed to a culture built on purpose, transparency, collaboration, and respect. We welcome applicants from all backgrounds and support an inclusive environment where people can thrive. ________________________________________ ACTIVE SC CLEARANCE REQUIRED Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

CGI’s Space, Defence, and Intelligence business unit is dedicated to delivering cutting-edge technical solutions that address the most complex challenges faced by government agencies. Our mission-critical systems are custom-built to ensure security, reliability, and innovation, helping our clients protect the nation and its people. We are currently seeking a Technical Architect to join our Secure Innovation & Advisory team, working collaboratively with clients to deliver impactful solutions. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever-evolving technology landscape. Our culture values innovation, collaboration, and ownership, making it an ideal environment for self-motivated individuals to thrive. Please note, due to the highly secure nature of the project, this role is open only to UK Nationals who hold or are eligible for HMG High-Level Clearance (HLC). While there is some flexibility for remote or hybrid work, onsite attendance at the specified location(s) will be required for secure system access.

A Lead Technical Architect leads at the highest level and is responsible for making sure the strategy is agreed and followed. At this role level, you will: network and communicate with senior stakeholders across organisations. proactively seek opportunities for digital transformation. support multiple teams, finding and using best practice and emerging technologies. inspire other architects and help them understand how to deliver the goals of the organisation. be responsible for governance, solving complex and high-risk issues or delivering architecture design.

Technical Architect The Technical Architect role sits within Technology - Strategy & Architecture - Enterprise Architecture Consulting, that is responsible for the overall architecture for the business divisions. This includes quality assurance of architectural decisions, technical designs and other architectural deliverables (e.g. Solution Architecture document and Architectural Impact Assessments, etc) to ensure solutions are value for money and meet business requirements and alignment to enterprise strategies, roadmaps, standards and patterns. What you will be doing * Designing and producing architectural artefacts for end-to-end solutions, high level outlined architecture to detailed solution architecture, including required integration, that are aligned to architecture standards, meet the business vision and requirements, take into consideration all risks, costs, benefits, limitations, dependencies, deliverability and impact on the enterprise, technology and business architectures. * Supporting and guiding project teams and product groups in delivery and implementation of end-to-end solutions. Driving and managing resolution of technical dependencies and technical do-ability issues including identifying viable alternatives and agreeing those with architecture governance. * Playing a key role in the development and implementation of Digital and Data Strategies, by ensuring solutions adhere to and enable the implementation of strategies. * Supporting divisional roadmaps which identify the scope, dependencies and architectural impact of mandatory and discretionary changes, recommend prioritisation and timelines for delivery of the required capabilities. * Collaborating with product groups and enterprise architecture functions on defining enterprise and product architecture strategies and standards, building product roadmaps and resolving maintenance and post-go-live issues. * Reviewing and quality assuring artefacts created by external suppliers and internal teams (Product Groups and Change Delivery teams) to ensure the quality of the delivered solution fulfils business and nonfunctional requirements and adheres to strategic vision. * Identifying opportunities for technology-driven innovation and shaping design proposals to take this forward; driving innovation where this delivers quick wins and business benefit and is in the boundary of the product roadmap * Engage key stakeholders in business, product groups, security, and architecture function to identify capabilities, perform gap assessment, maturity assessment and document architecture to create a future. * Research technology trends and identifying opportunities to exploit innovation ensuring these are fully understood and explored. The skills and experience you'll have Minimum * Experience as a Technical/Solution Architect designing products, platforms, systems and components on multiple programmes and projects * Experience of working on the end to end project lifecycle, in a multitechnology environment. * Experience of designing and managing the end-to-end delivery of multi-platform solutions. * Exceptional communication skills, able and willing to describe and negotiate complex and detailed solutions across a variety of stakeholders. * Exceptional critical thinker and problem solver, able to work with imperfect information in an environment of uncertainty whilst still maintaining high standards, evidenced designs and documentation that consider regulatory, organisational and technology change requirements, the divisional and enterprise strategies. Essential * Experience of designing and implementing digital and/or data platform solutions * Experience working with AWS technologies. * Experience of best practice solution architecture across all architecture domains and key platform technologies (Salesforce, O365, SharePoint, Cloud technologies, Data analysis and Data management tools, Integration technologies) * Commercial awareness and hands-on experience at costing solution options, understanding procurement frameworks and promoting cost effective solutions. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Our client is looking for a number of Technical Architects to join their team. The roles are hybrid working out of London, Leeds or Edinburgh. The rate for Leeds and Edinburgh is £340 per day and the rate for London is £380 per day. Please note that the role is inside IR35. The Technical Architect role sits within Technology - Strategy & Architecture - Enterprise Architecture Consulting, that is responsible for the overall architecture. This includes quality assurance of architectural decisions, technical designs and other architectural deliverables (e.g. Solution Architecture document and Architectural Impact Assessments, etc) to ensure solutions are value for money and meet business requirements and alignment to enterprise strategies, roadmaps, standards and patterns. Required experience: * Experience as a Technical/Solution Architect designing products, platforms, systems and components on multiple programmes and projects. * Experience of designing and implementing digital and/or data platform solutions * Experience working with AWS technologies. * Experience of best practice solution architecture across all architecture domains and key platform technologies (Salesforce, O365, SharePoint, Cloud technologies, Data analysis and Data management tools, Integration technologies) * Commercial awareness and hands-on experience at costing solution options, understanding procurement frameworks and promoting cost effective solutions. Collaborative self-starter with positive, proactive, can-do attitude.Strong experience of technical and environment interdependencies across projects and programmes. * Solid and evidenced knowledge foundation (e.g. BCS EA and Solution Architecture certification, etc.) * Experience with formal architectural methodologies and frameworks, including TOGAF, experience in architecture modelling tools and agile methodologies. * Proficient knowledge of UML. * An effective coach, experience of mentoring others in architectural practices. * Evidenced continuous professional development and engagement with industry innovators and professional bodies. * Experience of innovation whilst ensuring EA adherence LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

At CGI, we empower our architects to shape the future of secure digital transformation. As a Technical Architect, you’ll design and deliver a next-generation on-premise identity solution that underpins the resilience and security of our clients’ most critical systems. You’ll help define and implement a scalable, future-ready access management platform that ensures seamless connectivity and trust across complex environments. This is your opportunity to take ownership of a greenfield solution that drives real-world impact, harnessing creativity and technical excellence to help CGI’s clients stay ahead in an evolving digital landscape. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.