Enterprise Architect

Job title: Enterprise Architect – Applications (contract)

Duration: 12 months

Target Start Date: ASAP September 2025

London Hybrid – travel to the office is TBC

Rate: Competitive (inside IR35)

Deloitte

Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.

About the role:

We are seeking an experienced Enterprise Architect to lead the strategic design of our application portfolio strategy. This role requires a deep understanding of application architecture principles, software development methodologies, cloud computing, cybersecurity, and enterprise architecture best practices. The successful candidate will be a visionary leader, driving innovation and ensuring our application landscape is optimised for agility, scalability, security, and business value, while aligning with the overall enterprise architecture strategy. Big 4 consulting experience will be valuable in understanding how Deloitte operates.

Responsibilities

• Develop a long-term vision and comprehensive roadmap for the firm\’s application portfolio, aligning it with the overall business strategy and digital transformation initiatives.
• Contribute to the development and implementation of the firm\’s overall digital transformation strategy, leveraging application modernisation and innovation to enhance business operations and achieve strategic goals.
• Act as a trusted advisor to senior management and business leaders. Influence and shape technology decisions related to application development and deployment across the firm.
• Lead the design of complex and innovative application solutions, integrating various applications with other enterprise systems and cloud platforms.
• Provide strategic guidance and leadership to the application architecture team and related stakeholders, mentoring and developing junior architects and engineers.
• Lead the evaluation and selection of cutting-edge application technologies and platforms,
• Stakeholder Management – Collaborate with IT, Business Units, Development teams, Security and vendors
• Develop and maintain comprehensive documentation of application enterprise architecture
• Proactively identify emerging trends and technologies in application development and deployment, including microservices, serverless computing, AI/ML, DevOps, and cybersecurity threats. Translate these into actionable strategies for the firm.
• Manage and mitigate risks associated with application development and deployment, ensuring compliance with security standards, data privacy regulations (e.g. GDPR), and overall enterprise risk management frameworks.
• Conduct regular reviews with application owners to identifying areas for improvement, optimisation, cost reduction and enhanced business value.
• Provide expert-level support and troubleshooting for complex application architecture-related issues.

Essential Skills:

• Have IT architecture experience at Senior Manager / Technical Director level within a large enterprise environment.
• Experience of Business Architecture and Capability Modelling on key enterprise business platforms including ERP Finance, CRM, Business Intelligence, Case Management and Workflow.
• Leadership – Experienced at successfully leading and delivering complex application architecture and integration architectures.
• Deep understanding of application architecture patterns, software development methodologies (Agile, Waterfall), API design, integration technologies (ESB, message queues) and cloud-native application development.
• Communication: can present and articulate complex technical concepts to both technical and non-technical stakeholders across all levels
• Strong analytical and problem-solving skills: proven ability to think strategically and creatively to solve complex challenges.
• Strong understanding of security best practices including secure coding principles, vulnerability management and application security testing.
• Proven ability to lead and mentor teams, fostering a collaborative and high-performing work environment.

Preferred

• Relevant industry certifications (e.g. TOGAF) are highly desirable.
• Prior experience working with one of the Big 4 firms (Deloitte, PwC, EY, KPMG)

Deliverables: responsibilities but not limited to;

• Design, development and testing of APEX solutions
• Support of existing solutions
• Perform review of wider solution estate that integrates with APEX solutions

IR35

As a means of managing tax, commercial and reputational risks, Deloitte prohibits the use of Associates through Personal Service Companies (‘PSCs’). All Associates must contract under PAYE arrangements through a Deloitte approved ‘Employment Company’ (aka ‘umbrella company.’)