Diya Mackwan

With over 8+ years of experience as an SAP Business Analyst, I have led the end-to-end design, configuration, and optimization of SAP SD processes—including sales order management, delivery scheduling, billing automation, export compliance, and service integration—across multiple global defense and aerospace projects. I have consistently delivered high-impact results through functional testing, S/4 HANA implementation, stakeholder engagement, cross-functional collaboration, and business process documentation, leveraging strong expertise in data validation, regulatory alignment, pricing configuration, and system integration.

SAP SD Business Analyst (SAP S/4 HANA Implementation) at Lockheed Martin (2024-01 – Present)

The Lockheed Martin Corporation is an American defense and aerospace manufacturer. This project focused on configuring and validating SAP SD modules to enhance sales order processing, delivery scheduling, and billing operations for defense aircraft components. Worked extensively on export compliance handling, pricing procedures, and delivery tracking.

Conducted data validation, functional testing, and documentation of SD business processes to support post-implementation activities across multiple U.S. operational units.

• Coordinated extensively with cross-functional stakeholders—including sales, logistics, and compliance teams—to gather, analyze, and document detailed business requirements related to SAP Sales and Distribution (SD) processes in the context of S/4 HANA implementation for defense and aerospace manufacturing environments.
• Configured and customized core SAP SD functionalities, such as sales order types, delivery document types, billing procedures, and output controls, to optimize the end-to-end order-to-cash process for defense-grade products and government contracts.
• Validated complex pricing procedures and condition techniques, ensuring accurate reflection of multi-tier pricing models, government discounts, surcharges, and long-term contract pricing structures, while aligning with U.S. defense contract regulations and audit compliance.
• Designed and implemented export control and compliance configurations within SAP SD to ensure adherence to International Traffic in Arms Regulations (ITAR) and other U.S. Department of Defense trade requirements, with seamless integration into outbound delivery and billing flows.
• Led and executed comprehensive functional and user acceptance testing (UAT) cycles, including the creation of test plans, scripts, and traceability matrices, ensuring all business scenarios and regulatory controls were validated prior to system go-live.
• Created and maintained detailed functional specification documents (FSDs) and business process documentation for custom developments, system enhancements, interface designs, and change requests in accordance with project governance standards.
• Analyzed integration touchpoints between SAP SD and other SAP modules including MM (Material Management), FI (Finance), and GTS (Global Trade Services), ensuring smooth data flow and consistency across inventory, invoicing, and compliance reporting processes.
• Configured advanced delivery scheduling rules, transportation planning elements, and shipping point determination logic to support on-time, secure, and trackable deliveries of critical aerospace and defense components to U.S. and international clients.
• Prepared and delivered end-to-end documentation, including process flows, training manuals, and configuration guides, to support internal audits, compliance checks, user training, and knowledge transfer across geographically distributed teams.
• Provided hands-on post-go-live support, including hypercare monitoring, issue resolution, system tuning, and continuous improvement initiatives to stabilize SAP SD operations in a high-security, regulated environment.
• Collaborated with master data teams to validate and cleanse customer master records, material master data, pricing conditions, and sales area configurations, ensuring data accuracy, consistency, and readiness for transactional use.
• Developed and executed regression, integration, and negative testing cycles to validate system behavior under multiple conditions and scenarios, ensuring high-quality system performance and business continuity during upgrades and releases.
• Performed detailed gap analysis between existing business processes and SAP standard functionality, providing recommendations, solution design alternatives, and risk assessments to business leaders and technical architects.
• Acted as the primary liaison and communication bridge between business stakeholders, SAP developers, and technical consultants, translating business requirements into system functionalities and ensuring all deliverables met business and compliance expectations on time.
• Conducted UAT sessions, employing SQL for precise data validation, ensuring system functionality aligned with UML use cases, and user story specifications for optimal end-user satisfaction.

SAP SD Business Analyst (SAP Global Rollout) at GE Aerospace (2021-08 – 2023-12)

General Electric Company, doing business as GE Aerospace, is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati. This project involved customizing SAP SD functionalities to manage domestic and international order fulfillment for missile and radar systems. Focus areas included configuring sales order types, delivery document flows, and automated billing processes.

Ensured export documentation compliance and aligned pricing structures with long-term defense contracts. Engaged in system integration testing and supported business process documentation for streamlined transition to the S/4 HANA environment.

• Partnered with global cross-functional teams including sales operations, logistics, legal, and compliance to analyze, design, and implement scalable SAP SD solutions for managing domestic and international order fulfillment of mission-critical missile and radar systems under high-compliance defense contracts.
• Customized a wide range of SAP SD components including sales order types, delivery types, item categories, and billing document flows to support complex sales processes, military-grade product handling, and secure delivery tracking across diverse geographies and governmental partners.
• Led the implementation of automated billing procedures tailored to long-cycle defense projects by configuring billing plans, milestone billing, and integration with finance systems to reduce manual processing and ensure timely and accurate invoicing aligned with multi-year contract terms.
• Coordinated closely with trade compliance and export control teams to incorporate robust export documentation and regulatory reporting mechanisms within SAP SD, ensuring seamless generation of required documents such as commercial invoices, export declarations, and ITAR/EAR-related fields.
• Facilitated detailed pricing structure design sessions to support long-term, high-value government defense contracts by configuring condition techniques, pricing routines, and complex rebate agreements, ensuring consistency with procurement schedules and cost recovery plans.
• Contributed to the development and execution of end-to-end system integration testing, preparing comprehensive test scenarios that validated business-critical SD transactions, including order creation, delivery processing, invoicing, and revenue recognition across integrated modules such as MM, FI, and GTS.
• Partnered with SAP ABAP developers and solution architects to scope, design, and validate functional enhancements, including user exits, custom reports, and interfa