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.
Candidate Profile
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.
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.
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.
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Mulesoft Integration Architect employer: Free-Work UK
Free-Work UK is an exceptional employer, offering a dynamic work culture that prioritises innovation and collaboration in the fast-paced field of cloud technology. Employees benefit from comprehensive professional development opportunities, competitive remuneration, and the chance to work in a highly secure environment that values integrity and excellence. With a focus on employee well-being and a commitment to fostering a supportive team atmosphere, Free-Work UK stands out as a rewarding place for those looking to make a meaningful impact in their careers.
