CGI
Mulesoft Integration Architect
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Position Description
At CGI, you’ll help shape the future of enterprise integration by designing secure, resilient, and scalable solutions that enable organisations to modernise complex technology landscapes with confidence. As a MuleSoft Integration Architect, you’ll play a pivotal role in delivering high-value integration strategies that drive business transformation, improve operational performance, and support mission-critical services. Working alongside talented colleagues and clients, you’ll have the opportunity to influence technical direction, take ownership of innovative solutions, and develop your expertise within a collaborative environment that supports your continued growth.
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 is a hybrid position, requiring 2–3 days per week onsite in Belfast.
Your future duties and responsibilities
In this role, you will lead the architecture and delivery of enterprise-wide integration solutions using MuleSoft Anypoint Platform, helping clients modernise complex legacy environments while ensuring secure, resilient, and high-performing connectivity across critical business systems. You'll work closely with architects, engineers, delivery teams, vendors, and business stakeholders to define integration strategies, establish architectural standards, and deliver solutions that support long-term business transformation.
You'll take ownership of the end-to-end integration architecture, ensuring solutions are scalable, secure, and aligned with enterprise principles. You'll provide technical leadership throughout the delivery lifecycle, driving best practice, mentoring teams, resolving complex integration challenges, and ensuring integrations remain reliable, observable, and fit for future growth.
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Key responsibilities include:
- Lead end-to-end enterprise integration solutions using MuleSoft Anypoint Platform.
- Design and deliver API-led, event-driven and messaging-based integration architectures.
- Translate business requirements into robust technical designs, API specifications and interface contracts.
- Establish integration standards, architecture principles and API lifecycle management.
- Collaborate with engineering teams, business stakeholders and third-party technology partners.
- Modernise legacy integration estates while maintaining compatibility with existing consumers.
- Optimise security, resilience, performance, monitoring and operational traceability across integration services.
- Support testing, release management and deployment across controlled environments.
- Troubleshoot complex integration, performance and data processing issues.
- Evaluate emerging technologies and platform capabilities to support continuous improvement.
Required Qualifications To Be Successful In This Role
To succeed in this role, you'll bring extensive experience designing enterprise integration architectures using MuleSoft Anypoint Platform within complex, large-scale environments. You'll combine strong technical expertise with excellent stakeholder management skills and the ability to translate business requirements into secure, scalable integration solutions. Experience modernising legacy estates, governing integration standards, and working within Agile delivery environments will enable you to make an immediate impact.
You should have:
- Extensive experience in integration architecture, systems design or integration engineering.
- Strong hands-on expertise with MuleSoft Anypoint Platform, including Mule 4, CloudHub 2.0, API Manager and Anypoint Exchange.
- Proven experience designing REST/JSON, SOAP/XML and API-led integration architectures.
- Strong understanding of enterprise integration patterns, messaging, event-driven architectures and distributed systems.
- Experience defining API specifications, interface contracts, data mappings and architecture documentation.
- Knowledge of integration security including OAuth 2.0, JWT, TLS, WS-Security, certificate and secrets management.
- Experience with CI/CD, DevOps practices and integration testing strategies.
- Excellent communication and stakeholder management skills across technical and non-technical audiences.
- Experience working with third-party vendors and enterprise technology partners.
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Desirable:
- Salesforce Certified MuleSoft Platform Integration Architect certification.
- Salesforce Certified MuleSoft Platform Architect certification.
- Experience integrating Salesforce through MuleSoft.
- Kafka, RabbitMQ or Anypoint MQ.
- Experience integrating AWS-hosted services and cloud platforms.
- Worked within regulated or security-sensitive environments.
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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