Mariana Reina

Embraer is a global aerospace leader in commercial, executive, defense and agricultural aviation, operating in over 100 countries. - Manage a portfolio of ~25 contracts across indirect procurement categories, supporting a multi-million-dollar annual spend within a high-complexity aerospace supply chain environment. - Lead end-to-end contract lifecycle management (CLM), including contract structuring, amendments, renewals, and execution tracking, ensuring alignment with procurement governance and business requirements. - Act as a key interface between Procurement, Legal, Engineering, Finance, and Operations, supporting supplier negotiations, contract validation, and mitigation of contractual and operational risks. - Enable cross-border sourcing initiatives by aligning contracts with Europe-based suppliers and structuring agreements to support supplier operations in India, ensuring compliance with global procurement standards. - Drive supplier governance and vendor management activities, including SLA definition, performance monitoring, and coordination of logistics and supply chain support services. - Lead supplier onboarding and compliance processes, including due diligence, vendor qualification, and risk assessment, leveraging SAP, SAP Ariba, and internal governance systems.

Sabesp is one of the largest water and wastewater service providers in the world, serving over 28 million people in the state of São Paulo. The company operates large-scale infrastructure, engineering, and sanitation projects. - Managed end-to-end procurement for engineering, operational, maintenance and service contracts, coordinating scope validation, bid documentation, supplier evaluation, and contract issuance. - Led strategic sourcing routines, ensuring compliance with internal governance, technical requirements, legal frameworks, and quality standards during the transition from public procurement law to civil code–based contracting. - Coordinated with Engineering, Operations, Legal, Finance and IT to define scopes, align deliverables, address technical queries, and mitigate contractual and operational risks. - Oversaw tender processes (similar to RFI/RFQ/RFP dynamics), supporting price analysis, documentation reviews, supplier clarifications, and high-impact decision-making. - Strengthened procurement governance by standardizing workflows, improving documentation accuracy, and enhancing approval and evaluation routines. - Acted as a key liaison for complex contracts, supporting conflict resolution, supplier negotiations, and alignment between internal stakeholders and external vendors. - Supported tracking mechanisms and performance controls, improving visibility and ensuring compliance with service requirements and contractual obligations. Projects & Achievements - Led the implementation of a three-phase Contract Production Line, redesigning workflows and governance routines that increased processed financial volume by 90% in the first year. - Project awarded at two national quality competitions, recognising process agility, compliance improvement and operational impact at scale. - Co-authored a PNQS-published article highlighting the efficiency gains achieved through Lean and Agile methodologies applied to procurement and contracting workflows.

- Led a team of 7 procurement professionals, overseeing sourcing routines, task allocation, documentation quality, and compliance controls. - Supported the transition of procurement operations into a Shared Services Center (CSC) structure with 32 staff, contributing to workflow redesign, governance alignment and operational scalability. - Directed end-to-end procurement for engineering, maintenance, facilities and service categories, ensuring adherence to technical, legal, and financial requirements. - Coordinated scope validation, bid documentation, supplier evaluation, negotiation support, and contract issuance, improving accuracy and decision flow. - Ensured governance alignment during the shift from public procurement law to civil code–based contracting, supporting legal adaptation and process standardization. - Provided technical leadership to the team on sourcing best practices, evaluation criteria, documentation standards and process controls. - Acted as an escalation point for complex tenders, supplier disputes, and cross-functional decision-making, securing alignment between Engineering, Operations, Finance and Legal. - Strengthened performance monitoring by supporting tracking routines, compliance checks, and process visibility across procurement activities. Projects & Achievements - Presenter of the corporate recognition program “Faço Parte Desta História”, contributing to organisational culture and employee engagement initiatives.

- Supported end-to-end procurement for engineering services, maintenance, infrastructure, operational supplies, laboratory services, and corporate categories, ensuring compliance with legal and technical requirements. - Prepared and analysed contracting scopes, bid documents, technical requirements, supplier proposals, and compliance documentation across high-volume procurement operations. - Coordinated with Engineering, Operations, Legal and Finance teams to align specifications, validate deliverables, mitigate risks, and ensure process accuracy. - Handled tender processes under the Public Procurement Law, managing supplier enquiries, documentation reviews, compliance checks, and administrative routines. - Ensured accuracy and completeness of procurement files, supporting audits, governance reviews, and internal quality controls. - Acted as a multifunctional procurement focal point, supporting colleagues, resolving operational queries, and maintaining continuity during restructuring and governance transitions. - Assisted in the early stages of the contracting workflow redesign that would later evolve into the Contract Production Line model. - Managed operational tracking routines, process documentation, supplier follow-up, and internal communication to maintain workflow visibility and compliance. - Supported procurement activities during organisational restructuring and shifts in governance, helping stabilise routines and standardise documentation practices.

Latapack Ball is a global packaging solutions company specializing in beverage and aerosol can manufacturing, serving clients across multiple continents. - Designed and delivered corporate training programs for operational teams, supervisors and managers, aligning learning modules with business objectives and performance KPIs. - Managed the end-to-end training lifecycle: needs analysis, curriculum development, delivery (in-person & e-learning), assessment, feedback and continuous improvement. - Coordinated with HR, Operations and Quality departments to ensure training compliance, documentation and alignment with internal standards and regulatory requirements. - Monitored training effectiveness through assessments, follow-up evaluations and performance metrics, driving participant engagement and learning outcomes. - Supported cross-functional initiatives such as onboarding new equipment, process standardization and change management by developing targeted workshops and support materials.

- Provided executive support to senior leadership, managing calendars, travel arrangements, meeting coordination and daily workflow prioritization. - Prepared reports, presentations and dashboards for internal decision-making, supporting operational planning and management reviews. - Managed accounts payable routines, including invoice processing, payment scheduling, vendor follow-up and reconciliation of corporate expenses. - Coordinated procurement of materials and services, ensuring accurate specifications, cost comparison, supplier communication and timely delivery. - Organised corporate events, workshops and internal meetings, handling logistics, stakeholder alignment and budget control. - Oversaw fleet management, ensuring documentation accuracy, maintenance scheduling, usage control and contractor coordination. - Managed executive and departmental agendas, ensuring alignment between internal teams, leadership priorities and operational deadlines.

Recominte is a Brazilian aerospace company founded in 1990, operating in aircraft parts distribution, hose repair certified by ANAC. - Managed sales quotations for aerospace parts and materials, coordinating pricing, lead times, and product specifications with suppliers and internal teams. - Prepared and issued commercial proposals to clients, ensuring accuracy in technical descriptions, delivery conditions, and compliance with aerospace sector standards. - Supported event planning and logistics for client meetings, technical workshops, and corporate presentations, coordinating vendors, materials, schedules and on-site arrangements. - Maintained structured control of quotation statuses, customer interactions, and sales pipeline updates using spreadsheets/CRM tools to support reporting and decision-making. - Assisted the sales team with customer service, product information, pricing updates, and follow-up communications to ensure responsiveness and client satisfaction. - Collaborated with procurement, logistics, and administrative teams to align quotations, availability of materials, and event needs with operational timelines.

Embraer is a global aerospace leader in commercial, executive, defense and agricultural aviation, operating in over 100 countries. - Conducted competitive intelligence research, monitoring industry trends, market movements, competitor strategies, regulatory updates and technological developments in the aerospace sector. - Produced market analysis reports, executive briefs and strategic summaries to support leadership decision-making across commercial, sales and product development teams. - Analysed data from internal and external sources to identify risks, opportunities, market behaviour changes and emerging dynamics relevant to Embraer’s portfolio. - Prepared and distributed weekly and monthly intelligence bulletins, consolidating insights on competitors, market indicators, global events, and customer trends. - Collaborated with cross-functional teams (Marketing, Strategy, Sales, Engineering) to ensure intelligence inputs aligned with business needs, strategic planning and ongoing projects. - Monitored global aviation news, economic indicators, fleet movements and industry forecasts to identify patterns with potential strategic impact. - Supported presentations, dashboards and reports for leadership meetings, ensuring clarity, relevance and accuracy of information.

Atualização, organização e controle de documentos.

Beginner classes, Intermediate classes, pre-university course.