Job Summary: We are seeking a Solutions Architect to provide strategic and technical leadership within a Center of Excellence, supporting architecture initiatives in hybrid environments and complex integrations with SAP S/4HANA. Key Highlights: 1. Strategic and technical leadership in a Center of Excellence 2. Support for architecture initiatives in hybrid environments 3. Complex integrations with SAP S/4HANA We seek a Solutions Architect to provide strategic and technical leadership within our Center of Excellence (CoE), supporting architecture initiatives in hybrid environments and complex integrations with SAP S/4HANA. The professional will work 100% remotely (São Paulo) on an indefinite basis. We expect a professional with strong analytical capability, systemic vision, clear communication, fluent English, ability to simplify complex problems, and consultative and collaborative skills in multidisciplinary environments. **Responsibilities**: * 5+ years as a Solutions Architect or equivalent role. * Hands-on experience integrating legacy systems with SAP S/4HANA. * Proven track record in SaaS projects and hybrid environments. * Participation in system acquisition or development decisions. * Experience developing architectural artifacts for governance. Analysis and understanding of on-premises and cloud (SaaS) solutions * Map and deeply understand legacy applications, current infrastructure, existing integrations, and technical constraints. * Evaluate SaaS solutions from architecture, security, data, and integration perspectives. Architectural modeling using C4 notation * Create C1–C4 diagrams (Context, Container, Component, and optionally Code). * Document current (AS-IS) and future (TO-BE) states clearly, maintaining versioning and traceability. Design of integrations between multilingual legacy systems and SAP S/4HANA * Design synchronous and asynchronous integrations using APIs, IDoc, RFC, queues, or messaging. * Define contracts, authentication standards, data governance, resilience, and error handling. * Address specifics of systems written in diverse languages (Java, .NET, Python, Node.js, etc.). Design of integrations between third-party SaaS systems and S4/HANA * Evaluate native SaaS capabilities (APIs, webhooks, event streaming). * Ensure security (OAuth2/OIDC/Tokenization), version control, monitoring, and end-to-end observability. * Develop integration blueprints covering SLAs, RTO/RPO, consistency requirements, and compliance. Evaluation of buy, rent, or build solutions * Conduct technical and functional analyses based on measurable criteria: fit, extensibility, total cost of ownership (TCO), risk, integration, scalability, and lock-in. * Prepare decision matrices and executive reports with well-founded recommendations. Development of architectural artifacts * C4 diagrams * Integration architecture * API catalog * ADRs (Architecture Decision Records) * System capability maps * Data models and information flows * Modernization/Cloud Journey plans * Ensure Git versioning and adherence to corporate standards. Preparation of technical reports and documentation * Produce technical evaluation reports, risk assessments, NFR compliance analysis, architectural impact assessments, and recommendations. * Document objectively for diverse audiences: executives, engineering teams, business squads, and auditors. Participation in technical meetings * Lead architecture workshops (design sessions). * Collaborate with development, infrastructure, security, product, and SAP teams. * Translate business needs into technical requirements and vice versa. Evaluation of third-party solutions * Perform technical and security due diligence. * Assess architecture, integrations, engineering practices, SLAs, certifications, roadmaps, and security posture. * Issue technical opinions including risks and mitigation recommendations. Expected Deliverables * Complete C4 diagrams (C1 to C3). * S/4HANA integration blueprint (legacy and SaaS). * Buy/rent/build decision matrix. * Technical evaluation reports for third-party solutions. * Formal architectural documentation. * AS-IS / TO-BE architecture. * Dependency and data flow maps. * ADRs and integration standards. **Mandatory Requirements** * Architecture: C4, DDD (tactical/strategic), Event-Driven, API-First, SOA, integration patterns. * SAP S/4HANA: IDoc, BAPI, RFC, OData, SAP CPI/Integration Suite, extensibility, security, and authorization. * Integration: REST APIs, webhooks, messaging, ETL/ELT, API gateways. * SaaS: Fit assessment, risk analysis, extensibility, integration, and data modeling. * Cloud: AWS/Azure/GCP (AWS preferred), networking, IAM, security, observability. * Languages: Familiarity with multiple ecosystems (Java, .NET, Node, Python, etc.). * Security: OAuth2/OIDC, mTLS, MFA, encryption, data governance. * Tools: Draw.io, LeanIX, Git, Jira, Azure DevOps, Postman, Swagger. **Education**: Bachelor’s degree or currently pursuing one in Computer Science, Computer Engineering, Information Systems, or Systems Analysis. **Languages**: Fluent English Behavioral Competencies * Clear and objective communication for technical and executive audiences. * Ability to simplify complex problems. * Critical thinking, systemic vision, and evidence-based decision-making. * Collaboration, technical mediation, and consultative role. * Organization, discipline, and ownership mindset. **Start Date**: Immediate **Experience Level**: Senior **Employment Type**: PJ (Individual Legal Entity) **Work Model**: Remote