SAP Technical Architect

Vallum Associates; Slough; On-site; GBP 90,000 - 140,000; Full time

Job summary

Vallum Associates seeks an SAP Technical Architect to define, design, and govern the overall SAP technical architecture across S/4HANA, ECC, BTP, PI/PO, Fiori/UI5, and integrated systems. This role ensures high-performance, scalable, secure, and future-ready SAP solutions aligned with business strategy and IT roadmaps.

You will collaborate with business leaders, solution architects, Basis, development and integration teams to deliver robust platforms, enforce coding standards, and drive

Qualifications

• Proven hands-on experience designing and governing SAP S/4HANA and ECC architectures.
• Technical leadership for ABAP, Fiori/UI5, OData, CDS Views, and SAP Basis teams.
• Deep understanding of SAP system landscape design (DEV/QAS/PRD/DR).
• In-depth knowledge of SAP Basis, sizing, HA/DR configurations, and security.
• Experience with SAP HANA architecture, backup/restore and performance tuning.
• Expertise in SAP integration technologies: CPI, PI/PO, APIs, IDocs/RFCs.
• End-to-end integration patterns across SAP and non-SAP systems (CRM, eCommerce, SCM, WMS).
• Cloud knowledge (Azure, AWS, GCP) and SAP security and compliance awareness.

Responsibilities

• Define, design, and govern SAP technical architecture across landscapes.
• Provide technical leadership for SAP S/4HANA, ECC, Fiori/UI5, and integration teams.
• Lead architectural governance, reviews, and performance troubleshooting.
• Ensure secure, scalable, and compliant SAP platforms aligned with roadmaps.
• Collaborate with business, BASIS, development, and integration teams.

Skills

SAP S/4HANA

SAP ECC

ABAP leadership

Fiori/UI5

OData/CDS

SAP Basis

HANA DB

Integration patterns

SAP BTP

Security architecture

S/4HANA migrations

Tools

SAP BTP

SAP PI/PO

API management

REST/SOAP

IDocs/RFCs

Cloud platforms (Azure/AWS/GCP)

Job description

The SAP Technical Architect is responsible for defining, designing, and governing the overall technical architecture of SAP landscapes across SAP S/4HANA, SAP ECC, SAP BTP, SAP PI/PO, SAP Fiori/UI5, and integrated enterprise systems. This role ensures high‑performance, scalable, secure, and future‑ready SAP solutions that align with business strategy and IT roadmaps. The architect collaborates closely with business leaders, solution architects, Basis, development teams, and integration teams to deliver robust and compliant SAP technical platforms.

Essential skills/knowledge/experience:

• Strong hands‑on experience designing and governing SAP S/4HANA and SAP ECC technical architectures.
• Provide technical leadership for ABAP, Fiori/UI5, OData, CDS Views, and SAP Basis teams.
• Deep understanding of SAP system landscape design, including DEV/QAS/PRD/DR environments.
• In‑depth knowledge of SAP Basis, system sizing, performance tuning, high‑availability (HA) and disaster recovery (DR) configurations.
• Strong experience with SAP HANA database architecture, optimization, backup/restore strategies, and security.
• Expertise in SAP integration technologies:
• SAP BTP Integration Suite (CPI)
• SAP PI/PO
• APIs (REST, SOAP, OData)
• IDocs, RFCs, Event‑driven architectures
• Ability to design end‑to‑end integration patterns across SAP and non‑SAP systems (CRM, eCommerce, SCM, WMS, POS, Finance apps).
• Ability to enforce coding standards, reusable component frameworks, and conduct technical reviews.
• Working knowledge of SAP on Cloud (Azure, AWS, GCP).
• Strong understanding of SAP security architecture, roles/authorization, SSO, encryption, and compliance requirements.
• Proven experience leading SAP technical tracks in large implementations, migrations, or S/4HANA transformations.
• Experience conducting technical impact assessments, solution reviews, and performance troubleshooting.