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Position Description
At CGI, we help clients modernise complex technology estates with the insight and confidence needed to deliver change successfully. As a Technical Architect, working on one of our flagship accounts, on an application upgrade programme, you’ll create the reliable technical foundations that enable informed architecture decisions and successful application upgrades. You’ll take ownership of understanding existing application environments, rebuilding incomplete designs and establishing accurate technical baselines across the estate. Working closely with Solution Architects, Technical Leads and subject matter experts, you’ll have the opportunity to solve complex technical challenges and improve how architectural knowledge is captured and used. You’ll be supported by an experienced, collaborative team while having the autonomy to strengthen technical quality, reduce delivery risk and make a tangible contribution to a major transformation programme.
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.
This is a hybrid position but there is an expectation of working at CGI and our Client’s offices in Glasgow for 3 days a week.
Your Future Duties and Responsibilities
In this role, you will take ownership of reviewing, reconstructing and maintaining technical designs across a complex application estate. Working under the direction of the Application Upgrade Programme (AUP) Solution Architecture function, you’ll assess existing High Level Designs (HLDs), investigate gaps and inconsistencies, and work with technical specialists to establish an accurate picture of implemented application environments.
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- Review & Maintain: Assess and update HLDs and supporting technical documentation across the application estate.
- Reconstruct & Document: Rebuild technical designs where existing documentation is incomplete, inconsistent or unavailable.
- Discover & Analyse: Work with technical specialists to understand implemented application environments and establish the facts behind existing designs.
- Capture & Baseline: Document hosting, infrastructure, interfaces, integrations, dependencies, security and operational characteristics.
- Assure & Improve: Ensure technical documentation is accurate, consistent and sufficiently detailed to support architecture and delivery.
- Identify & Escalate: Recognise material architectural changes, discrepancies and technical risks and route them through the appropriate architecture governance.
- Collaborate & Influence: Build effective working relationships with Solution Architects, Technical Leads, SMEs and programme delivery teams.
- Enable & Deliver: Maintain reliable technical baselines that support informed decisions, programme governance and successful application upgrade milestones.
Required Qualifications To Be Successful In This Role
You’ll bring Technical Architecture experience within complex application environments, with the ability to understand existing systems and translate technical discovery into clear, accurate architecture documentation. You’ll combine strong analytical skills and attention to detail with a collaborative approach, taking ownership of technical information while drawing on specialists across the programme to establish reliable designs.
- Proven Technical Architecture experience within complex application or enterprise technology environments.
- Strong experience producing and maintaining technical architecture documentation, including High Level Designs.
- Ability to reverse-engineer or reconstruct technical designs from existing systems, stakeholder knowledge and incomplete documentation.
- Good understanding of application hosting and infrastructure, including the relationships between applications and their underlying technology.
- Strong understanding of interfaces, integrations and technical dependencies across application environments.
- Good awareness of security considerations within technical and application architecture.
- Understanding of operational and support requirements and how these influence technical design.
- Strong analytical and problem-solving capability, particularly when working with incomplete or inconsistent technical information.
- Excellent attention to detail, with the ability to establish and maintain accurate technical baselines.
- Strong stakeholder and collaboration skills, with the ability to work effectively with architects, Technical Leads, SMEs and delivery teams.
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Together, as Owners, Let’s Turn Meaningful Insights into Action
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
- You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
- Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
- You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
- That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.
Come join our team—one of the largest IT and business consulting services firms in the world.
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