Job Vacancy Software Architect (SC Cleared)

Reading

CGI

Job position Software Architect (SC Cleared)

Permanent

As soon as possible

Reading, England, United Kingdom

Published on 15/06/2026

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At CGI, we deliver secure, mission-critical solutions that help our clients operate with confidence in complex environments. As a Software Architect, you will act as the design authority for the Service Management platform, shaping the technical direction of the solution while ensuring its security, resilience, and long-term success. Working closely with technical and business stakeholders, you will drive architectural decisions, oversee system enhancements, and provide leadership across the software lifecycle. This is an excellent opportunity for an experienced Software Developer, Infrastructure Engineer, or Architect looking to take the next step into a senior architecture role where they can influence strategy, innovation, and delivery.

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.

This role is based on-site in Reading, 5 days per week.

Candidate profile

As the Software Architect and Design Authority for the Service Management platform, you will take ownership of the technical solution, ensuring it remains secure, scalable, and aligned to business and operational requirements. You will lead the architectural design and analysis of system enhancements, maintain ownership of the requirements and functional baseline, and provide governance for technical changes across the solution.

Working closely with business, delivery, development, and operational teams, you will guide architectural decision-making, support the delivery of software and infrastructure changes, and provide technical leadership across incidents, problems, and enhancements. You will also be responsible for maintaining the project's Public Key Infrastructure (PKI), ensuring the ongoing security and integrity of the environment.

Key responsibilities:

• Lead & Govern architectural design, analysis, and technical decision-making

• Own & Maintain the technical solution, requirements, and functional baseline

• Review & Approve system changes, enhancements, and architectural updates

• Secure & Protect the integrity of the platform through effective security governance

• Manage & Maintain Public Key Infrastructure (PKI) services

• Analyse & Validate functional and non-functional requirements

• Support & Mentor development and operational teams through design reviews and technical guidance

• Collaborate & Communicate with business, delivery, and operational stakeholders

• Identify & Address architectural risks, dependencies, and improvement opportunities

• Evaluate & Adopt emerging technologies, methodologies, and best practices

Required qualifications to be successful in this role

To be successful in this role, you will have strong software architecture experience and a proven ability to design, govern, and support secure enterprise solutions. You should be comfortable engaging with a wide range of stakeholders, translating business requirements into technical solutions, and providing leadership across the software development lifecycle. Experience working within secure or regulated environments would be highly advantageous.

Essential qualifications and experience:

• Proven experience as a Software Architect, Solution Architect, Senior Software Engineer, or similar technical leadership role

• Strong understanding of software architecture principles, design patterns, and system modelling techniques

• Experience analysing and validating functional and non-functional requirements

• Ability to make and govern architectural decisions across complex software solutions

• Experience supporting software delivery, operational support, and continuous improvement activities

• Strong stakeholder management and communication skills

• Knowledge of systems integration and enterprise architecture concepts

• Experience conducting technical reviews, documentation authoring, and architecture governance

• Understanding of software development technologies, frameworks, and deployment environments

• Eligibility to obtain or hold UK Security Clearance

Desirable experience:

• Public Key Infrastructure (PKI) administration and management

• Experience within secure, defence, government, or highly regulated environments

• Background in software development, infrastructure engineering, or systems engineering

• Knowledge of modern development methodologies and DevSecOps practices

Location: Reading

Working Pattern: 5 days per week on-site

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Working environment

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.

Come join our team—one of the largest IT and business consulting services firms in the world.

Discover CGI

London, England, United Kingdom

> 1000 employees

IT services

We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients’ businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you’ll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let’s turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other. Benefits: - Insurance coverage - Medical benefits - Pension plan - Member Assistant Programme - Check4Cancer - Flexible time off - Share Purchase Plan - Member discounts - Dental benefits - Vision benefits - Profit Participation Plan - Health and Wellbeing Programme

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Software Architect (SC Cleared)

CGI