Walter Aranda
@walteraranda
Senior ERP Business Analyst specialising in requirements, BRDs, and vendor selection for SAP and Oracle transformations.
What I'm looking for
I’m a Business Analyst with 15+ years of international experience specialising in ERP requirements gathering, Business BRD authorship, and ERP vendor selection support across SAP and Oracle environments.
I regularly run gap analysis workshops and produce end-to-end Business Requirements Documents (BRDs), translating validated business needs into functional specifications for both solution architects and senior stakeholders.
Across Finance, IT, and Operations streams, I map processes in Visio, drive requirement traceability, and support ERP standardisation—using USGAAP and IFRS to align outcomes to measurable KPIs and governance.
I’m particularly effective at de-risking implementations through structured MDM activities, data quality enforcement, integration risk documentation, and cutover alignment—delivering outcomes like reduced rework, faster reporting, and improved audit readiness.
Experience
Work history, roles, and key accomplishments
Senior Business Analyst
AC/DC Automation
Jun 2025 - Present (1 year)
Authored end-to-end BRDs and facilitated structured review sessions with business process experts, cutting requirements rework by 30% across Finance, IT, and Operations. Supported SAP and Oracle ERP vendor selection and integration planning, reducing 5 critical integration risks via gap analysis and driving 100% requirement traceability.
Business Analyst / Master Data
Coles
Oct 2022 - May 2025 (2 years 7 months)
Improved master data quality by reducing error rates by 25% through BRD-based data quality enforcement across vendor, customer, and product domains. Enabled zero-defect ERP data migration by running gap analysis workshops across 5 functional streams and mapping O2C workflows to identify 8 process gaps.
Accounts Payable Specialist
Invocare
Jul 2022 - Oct 2022 (3 months)
Processed 100+ invoices daily with 100% SLA compliance by managing vendor reconciliations, GL accounts, escalation workflows, and month-end close tasks. Improved invoice workflow productivity by implementing 3 process improvements, reducing supplier query resolution time.
Supported ERP vendor selection by preparing RFP materials and analyzing vendor responses across 4 requirement sections, ensuring outputs were reflected in the final documentation. Reduced financial close cycle time by 2 days per quarter and achieved zero audit findings across 3 consecutive USGAAP reporting cycles.
Delivered regulatory compliance for annual financial statements across 3 regional entities by leading audit coordination under USGAAP standards. Reduced post-migration issues by 30% through PR5-to-HANA gap analysis and documented non-standard requirements using Visio process maps.
Improved month-end reporting accuracy by 15% across 3 business units through variance analysis and reconciliation of P&L, balance sheet, and cash flow accounts. Ensured zero statutory reporting errors by coordinating year-end processes, external audit liaison, and tax reporting for the joint venture entity.
Reduced accounts receivable discrepancies by 10% by managing customer master data, aged receivables, and month-end reconciliations. Contributed to cross-functional reporting and internal control reviews, delivering financial analysis and process improvement recommendations to management.
Supervisor, Legal & Administration
USA Health Network
Jan 2008 - Apr 2011 (3 years 3 months)
Led a team of 5 across a legal and administration division, managing performance, client relationships, financial budgets, and training support. Supported preparation and review of financial accounts and tax planning strategies for a diverse multi-entity client portfolio.
Administration Officer
Innovated Medical Solution
Jan 2007 - Dec 2007 (11 months)
Supported accounts payable processing, supplier payments, payroll, and bank reconciliations in a fast-paced medical services environment. Provided general office administration support across core finance operations.
Education
Degrees, certifications, and relevant coursework
Lonsdale Institute
Certificate in Business, Business
Completed a Certificate in Business at Lonsdale Institute in Sydney.
North Hollywood High School
High School Diploma, High School
Earned a High School Diploma from North Hollywood High School.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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