SAP S/4HANA Technical Architect

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.Contract duration: 1YR Extendable, Onsite working in SingaporeOwns the end-to-end technical architecture — platform, infrastructure, integration, security and deployment topology — for the DSO S/4HANA solution, including on-premise / air-gapped constraints.The successful candidate will:Own the S/4HANA technical architecture: system landscape (Dev/QA/Prod plus sandbox/training), HANA database, sizing, high-availability and disaster-recovery design.Define the deployment topology for a defence context — on-premise / air-gapped or client-mandated sovereign hosting, network segmentation and classified-handling architecture.Own integration architecture and platform selection (SAP Integration Suite / PI-PO, APIs, OData, IDoc/BAPI), aligned to the Solution Architect's functional design.Define the security architecture — encryption, key management, identity and access, and hardening to IM8 or client-mandated standards.Govern the transport strategy, DevOps / CI-CD where applicable, and system-copy / refresh approach with Basis.Own non-functional requirements — performance, scalability and availability — and the performance-test strategy with Testing.Define the data-migration technical architecture and the cutover technical runbook with Basis and the data workstream.Provide technical design assurance and sign-off against the acceptance criteria.Relevant SAP Implementation ExperienceMinimum: 12+ years SAP technical experience, of which 5+ years as a technical architect, with at least two S/4HANA implementations owning landscape, integration and security architecture, ideally including on-premise or air-gapped deployments.Relevant ExpertiseEvidence required against:Platform: S/4HANA on HANA, landscape design, HA/DR, sizing, and on-premise / air-gapped / sovereign-cloud topologies.Integration: SAP Integration Suite / PI-PO, API management, event-driven integration and legacy interfacing.Security architecture: encryption, IAM/SSO, network segmentation and hardening to defence standards (IM8 or equivalent).NFR & performance: performance engineering, volume/load-test strategy and capacity planning.Public-sector / defence: architecting within classified / restricted environments and government security regimes.RequiredDegree in Engineering, Computer Science or related discipline.SAP certification in a technical area (e.g. S/4HANA System Administration, HANA, or Integration).SAP Activate awareness.Strongly preferredTOGAF or equivalent enterprise-architecture credential.SAP BTP / Integration Suite certifications.Security credentials (CISSP, CCSP, ISO 27001 LA).Relevant cloud / infrastructure certifications.Existing or prior Singapore security clearance.WHAT’S ON OFFER:You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.CONSULTANT DETAILS:Consultant Name: JOYCEAvensys Consulting Pte LtdEA Licence 12C5759Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.