Solution Architect (SAP S/4 HANA)

Solution Architect (SAP S/4 HANA)
Sheffield / Hybrid (3 days a week onsite / 2 days remote)
6 months initially
£879.36 per day inside IR35 / Umbrella
Due to the nature of the role candidates must have current SC security clearance or be willing to undergo the security checks required for the role.
Role Description
Our client is looking for an experienced Solution Architect to help shape the future technology landscape of our growing defence business.
Reporting to the Head of IM&T, you will lead the definition and design of technology solutions across enterprise applications, cyber security, operational technology and business transformation initiatives. Working closely with business stakeholders and strategic suppliers, you will take ownership of solution design, technology governance and the development of business cases that secure investment and deliver measurable business value.
The role combines architecture, business engagement and technical leadership. Youll be expected to understand business challenges, develop solution options, assess costs and benefits, and build compelling business cases that support decision-making at senior leadership level.
Core Duties
• Act as IM&T Solution Design Authority across projects, change initiatives and technology investments.
• Lead the development of business cases, including option analysis, benefits, risks, costs and implementation approaches.
• Work with stakeholders to capture requirements and translate business needs into practical technology solutions.
• Produce and govern architecture and technical design documentation.
• Document and assess the current technology landscape, identifying risks, gaps and opportunities for improvement.
• Support SAP S/4HANA governance and adoption as a member of the SAP Working Group.
• Lead technical aspects of cyber assessments and develop remediation roadmaps across IT and OT environments.
• Provide architectural oversight and challenge to managed service providers, vendors and delivery partners.
• Setup and chair the Architecture Review Board
Knowledge, Skills & Qualifications
• Proven experience as a Solution Architect within a complex enterprise environment.
• Strong understanding of enterprise applications, infrastructure, integrations, and cyber security principles.
• Demonstrable experience leading the production of architecture and technical documentation High Level Designs (HLDs), Low Level Designs (LLDs), Application Architecture Diagrams, System Context and Data Flow Diagrams, Integration Specifications and Interface Documentation, System Security Plans (SSPs), Security Operating Procedures (SyOPs), Technical Remediation Plans, As-Is and To-Be Architecture Models
• Experience documenting complex IT estates, including applications, infrastructure, supplier-owned services, integrations, dependencies and technology roadmaps.
• Ability to identify architectural, operational and security gaps and translate these into clear technical recommendations and implementation plans.
• Experience gathering and analysing business requirements and producing solution options, impact assessments and business cases for new initiatives and technology investments.
• Experience working with managed service providers, software vendors and delivery partners, providing technical governance and constructive challenge where required.
• Strong stakeholder engagement skills with the ability to communicate complex technical concepts to both technical and non-technical audiences.
• Experience supporting governance forums, architecture reviews, change approval boards and investment decision-making.
Desirable Skills & Experience:
• SAP S/4HANA architecture, integration or governance experience.
• Defence, manufacturing or engineering sector experience.
• Operational Technology (OT) architecture and cyber security experience.
• Knowledge of NIST, ISO27001 or similar security frameworks.
• Experience supporting cyber assessments, security accreditation activities and remediation programmes.
• TOGAF, CISSP or equivalent professional certifications.