SAP Technical Architect

Vallum Associates; City Of London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Vallum Associates is seeking an SAP Technical Architect to define and govern the SAP technical architecture across S/4HANA, ECC, BTP, PI/PO, and UI5 landscapes. You will collaborate with business leaders, BASIS, and development teams to deliver scalable, secure SAP platforms aligned with IT roadmaps.

The role requires deep expertise in SAP HANA, integration technologies, and cloud readiness, with a proven track record in large S/4HANA transformations and performance tuning.

Qualifications

• Strong hands-on experience designing SAP S/4HANA and ECC architectures.
• Lead ABAP, Fiori/UI5, OData, CDS, and SAP Basis teams.
• Deep understanding of DEV/QAS/PRD/DR landscape design.
• Knowledge of HA/DR configurations and security requirements.
• In-depth SAP HANA architecture, backups, and security practices.
• Experience with SAP integration technologies CPI, PI/PO, APIs, and IDs/RFCs.
• Ability to design end-to-end integration across SAP and non-SAP systems.
• Ability to enforce coding standards and conduct technical reviews.
• Working knowledge of SAP on Cloud (Azure, AWS, GCP).
• Strong security architecture, roles/authorization, SSO considerations.

Responsibilities

• Define, design, and govern the SAP technical architecture across landscapes.
• Collaborate with business leaders, solution architects, and development teams.
• Deliver robust, scalable, secure SAP platforms aligned with roadmaps.
• Lead technical tracks in large implementations and migrations.

Skills

SAP S/4HANA architecture

SAP ECC architecture

ABAP leadership

Fiori/UI5 leadership

OData/CDS Views

SAP Basis

System sizing

HA/DR configurations

HANA security & backup

Integration design (CPI, PI/PO)

Tools

SAP BTP Integration Suite (CPI)

SAP PI/PO

REST/SOAP/OData APIs

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.