Assistant Manager - Sales & Use Tax

About the Role FinAdvantage is a growing financial services consulting firm specializing in Sales & Use Tax (SUT) registration, filing, advisory, and compliance for US-based clients across multiple industries and jurisdictions. We are seeking an experienced Manager Sales & Use Tax to lead complex client engagements, resolve intricate multi-state tax issues, and deliver structured, high-value advisory support. The ideal candidate will combine deep technical expertise with strong leadership, client management, and process optimization skills. Key Responsibilities Technical Advisory & Client SupportServe as the subject matter expert (SME) on US Sales & Use Tax across all 50 states, including nexus determination, taxability analysis, exemption certificate management, and voluntary disclosure agreements (VDAs).Advise clients on complex multi-state SUT issues, including economic nexus (post-Wayfair), marketplace facilitator rules, drop-shipment scenarios, and product/service taxability.Provide structured, well-documented advisory memos and recommendations tailored to client industries (e.g., SaaS, e-commerce, manufacturing, retail, construction).Support clients through audits, notices, and state tax controversies, including drafting responses and representing clients before state tax authorities. Compliance & Filing OversightOversee end-to-end SUT compliance registrations, monthly/quarterly/annual filings, reconciliations, and payment processing across multiple US states and localities.Review returns prepared by the team for accuracy, completeness, and timeliness.Ensure compliance with state-specific rules, thresholds, and filing frequencies; monitor legislative changes and communicate impact to clients and internal teams.Manage exemption certificate collection, validation, and renewal processes. Team Leadership & DevelopmentLead, mentor, and develop a team of SUT analysts and senior associates; conduct performance reviews and training sessions.Allocate work, monitor deliverables, and ensure SLAs and turnaround times are consistently met.Build standard operating procedures (SOPs), checklists, and knowledge repositories to drive consistency and scalability. Client Relationship ManagementAct as the primary point of contact for key client stakeholders (CFOs, Controllers, Tax Directors).Conduct periodic client review calls, present findings, and proactively identify tax planning and savings opportunities.Handle client escalations with professionalism and drive resolution. Process & TechnologyDrive automation and process improvements using SUT compliance tools such as Avalara, Vertex, Sovos, TaxJar, or Thomson Reuters ONESOURCE.Collaborate with internal technology teams on workflow optimization and reporting dashboards. Education & ExperienceB.Com / M.Com / MBA (Finance) or equivalent qualification.Additional certifications in US Taxation (e.g., CMI Sales Tax, Avalara/Vertex certifications) will be a strong plus.812 years of progressive experience in US Sales & Use Tax, with at least 35 years in a managerial or lead role.Prior experience with a Big 4, US-based consulting firm, or KPO/outsourced tax service provider strongly preferred.Demonstrated experience handling multi-state compliance, audits, VDAs, and nexus studies. Technical SkillsIn-depth knowledge of US multi-state SUT laws, Wayfair economic nexus rules, and marketplace facilitator legislation.Hands-on experience with Avalara, Vertex, Sovos, TaxJar, ONESOURCE, or similar SUT platforms.Proficiency in MS Excel (advanced formulas, pivots, Power Query) and familiarity with ERP systems (NetSuite, QuickBooks, SAP, Oracle, Microsoft Dynamics).Working knowledge of state tax portals and e-filing processes. Shift Timings US Business Hours (EST/CST overlap) typically 2:00 PM to 11:00 PM IST (flexibility required during peak filing periods).