MuleSoft Architect in London

Capita's MuleSoft Centre for Enablement & Excellence (C4EE) is expanding its architectural capability to support large-scale integration and API transformation programmes for major UK Government and private-sector clients. As a MuleSoft Architect, you will translate business needs into scalable API-led architectures, ensuring technical excellence, security, and alignment to Capita's enterprise design principles.

The MuleSoft Architect defines integration architecture, governs solution design, and supports delivery teams throughout the project lifecycle. You will produce designs, patterns, and documentation to ensure all APIs and integrations follow best practice, while working closely with engineers, product teams, and client architecture functions.

CANDIDATES MUST BE ELIGIBLE FOR SC CLEARANCE

What you'll be doing:

• Lead the architecture and design of API-led solutions across System, Process, and Experience layers.
• Produce HLDs, LLDs, sequence diagrams, API specifications, and integration design artefacts.
• Define reusable API patterns, standards, and frameworks aligned to C4EE governance.
• Conduct architectural reviews and ensure traceability from business requirements to technical implementation.
• Support complex design topics: data modelling, security policies, caching, resilience, event‐driven architecture, and RTF networking.
• Collaborate with security teams to ensure policy enforcement, encryption, identity, and SC‐compliant design.
• Oversee NFRs including performance, scaling, high availability, disaster recovery, and observability.
• Guide developers and DevOps engineers through build, test, deployment, and operational handover.
• Ensure alignment with enterprise platforms including Salesforce, SAP, ServiceNow, AWS/Azure, and data platforms.
• Support effort estimation, planning, stakeholder engagement, and technical risk management.
• Contribute to the evolution of C4EE playbooks, templates, governance artefacts, and reusable assets.

Key Deliverables:

• High‐level and low‐level design documents
• API specifications and sequence diagrams
• Architecture Decision Records (ADRs)
• Reusable patterns, templates, and standards
• Architecture review outputs and recommendations

What we're looking for:

• Essential:
• Minimum 4 years Mulesoft experience
• MuleSoft Certified Integration Architect (MCA) (preferred)
• MuleSoft Certified Platform Architect (MCPA) (preferred)
• Strong experience with Anypoint Platform, Runtime Fabric and/or CloudHub v2.0, and hybrid integration
• Strong understanding of API governance, IAM, OAuth, TLS, token management, and policy enforcement
• Architecture experience spanning Salesforce, SAP, ServiceNow, AWS/Azure, and data platforms
• Experience delivering in highly governed environments (e.g., Government, Financial Services, Defence)
• Soft Skills:
• Architectural Leadership: sets direction, governs design, and influences delivery
• Systems Thinking: balances functional needs with NFRs, security, and operability
• Communication: explains complex designs clearly to varied audiences
• Quality & Security Focus: builds secure‐by‐design, resilient architectures
• Collaboration: works effectively with client and internal architecture communities
• Leads and mentors project stakeholders in terms of technology.
• Proven Solution Architecture experience.
• Must have strong commercial awareness, and an understanding of how businesses work financially.
• Possesses a broad knowledge of solution areas such as transformation and migration, security, business analysis, applications, integration and infrastructure, service management, including trends in the current marketplace and understands how these interact to arrive at a solution.
• Expert in using architectural principles and frameworks.
• Experience of designing & implementing solutions as part of multi‐stream change programmes.
• Working in large change programmes in a leadership role involving key integration of some of the leading technology supplier and their products.

How this aligns to Capita's values:

• Customer First, Always: API led architectures and design artefacts are created to deliver secure, scalable, and reliable integrations that meet business needs and drive measurable value.
• Fearless Innovation: Modern integration patterns, MuleSoft capabilities, and reusable frameworks are advanced to continuously improve API quality, governance, and delivery efficiency.
• Achieve Together: Architecture, security, development, DevOps, and platform teams work in partnership to align designs, resolve technical challenges, and ensure seamless end to end delivery.
• Everyone is Valued: Knowledge sharing, architectural guidance, and contributions to C4EE playbooks and reusable assets strengthen team capability and support successful delivery across the organisation.

Join Capita – Where Innovation Meets Opportunity:

Capita is a dynamic leader in consulting and digital services, helping some of the UK's most recognized organizations transform and thrive. We use cutting‐edge technology and fearless innovation to create smarter, more efficient solutions that make a real difference. Our work spans diverse sectors – government, healthcare, education, and finance – offering you the chance to contribute to projects that impact millions of lives. At Capita, you'll be part of a collaborative, forward‐thinking team that values creativity, growth, and inclusion.

We're committed to your development and success, providing opportunities to learn, progress, and shape better outcomes for customers and communities. If you're ready to make an impact and grow your career, Capita is the place for you.

What's in it for you:

• A competitive basic salary
• 23 days' holiday (rising to 27) with the opportunity to buy extra leave
• The opportunity to take a paid day out of the office, volunteering for our charity partners or a cause of your choice
• Company‐matched pension, life assurance, a cycle2work scheme, 15 weeks' fully paid maternity, adoption and shared parental leave, paternity pay of two weeks...and plenty more
• Voluntary benefits designed to suit your lifestyle – from discounts on retail and socialising, to health & wellbeing, travel and technology.
• Access to our Employee Network Groups, which represent every strand of diversity and allow colleagues to connect and learn from each other on an open, inclusive platform

What we hope you'll do next:

Choose 'Apply now' to fill out our short application, so that we can find out more about you.

We are committed to building a workforce that reflects the diversity of the communities we serve. As part of our strategic goals, we are focused on accelerating gender and ethnic representation in leadership roles. We warmly encourage applications from women and individuals from Black, Asian, and other ethnic minority backgrounds.

We're an equal opportunity and Disability Confident employer, which means we recruit and develop people based on their merit and passion. We're committed to providing an inclusive, barrier‐free recruitment process and working environment for everyone. If you need the job description or application form in an alternative format (such as large print or audio), or if you'd like to discuss other changes or support you might need going forward, please email reasonableadjustments@capita.com and we'll get back to you. For more information about equal opportunities and process adjustments, please visit the Capita Careers website.