Senior Implementation Consultant - Excise and Fuel Tax

• Lead the end-to-end technical delivery of complex, multi-tiered enterprise implementations involving multi-entity structures, complex supply chains, cross-border movements (US/Canada), and custom ERP/connector integrations.
• Architect custom calculation logic, and complex schedule/return mappings across high-volume transaction datasets.
• Facilitate advanced architectural and functional design workshops with enterprise tax directors, IT leadership, and systems integrators.
• Lead system integration testing (SIT) and UAT strategy, troubleshooting complex race conditions, caching behaviors, and data schema discrepancies.
• Manage project technical risk, proactively mitigating scope drift and identifying architectural constraints early.

• Act as a senior escalation point for critical customer issues, complex data anomalies, and unresolved tax determination and compliance challenges.
• Partner with Product Management, Core Engineering, and Support to diagnose root causes (e.g., platform performance, caching, connector bugs) and advocate for platform enhancements.
• Collaborate with and provide technical governance for third-party implementation partners
• Participate in pre-sales discovery, scoping calls, and Level-of-Effort (LOE) estimations for complex or custom enterprise opportunities.

• Eligible to serve as Team Lead, providing technical coaching, peer review, and quality assurance for consultants.
• Lead the creation of standardized implementation templates, automated validation scripts, and training curricula.

• 8+ years of progressive experience in enterprise software implementation, tax technology consulting, systems integration, or technical solution delivery.

• Bachelor’s degree in Information Systems, Computer Science, Accounting, Finance, Engineering, or equivalent practical experience
• In-depth subject matter expertise in excise/fuel and taxation, oil & gas supply chains, terminal operations, or indirect tax systems.
• Advanced technical troubleshooting skills (APIs, SQL/database queries, data transformation pipelines, ERP data structures).
• Proven ability to influence executive-level stakeholders (C-level, Tax Directors, Enterprise Architects) and lead cross-functional technical teams without direct authority.

• Prior hands-on experience configuring Avalara Excise platforms (ATE, ARE,) or similar tax engines
• Deep knowledge of ERP ecosystems (SAP S/4HANA, Oracle ERP Cloud, PDI Enterprise, JD Edwards).

AI is embedded in our workflows, decision-making, and products. Success here requires embracing AI as an essential capability.

• You’ll bring experience using AI and AI-related technologies, ready to thrive here.

• You’ll apply AI every day to business challenges - improving efficiency, contributing solutions, and driving results for your team, our company, and our customers.

• You’ll grow with AI by staying curious about new trends and best practices, and by sharing what you learn so others can benefit too.

Total Rewards

In addition to a great compensation package, paid time off, and paid parental leave, many Avalara employees are eligible for bonuses.

Health & Wellness
Benefits vary by location but generally include private medical, life, and disability insurance.

Inclusive culture and diversity
Avalara strongly supports diversity, equity, and inclusion, and is committed to integrating them into our business practices and our organizational culture. We also have a total of 8 employee-run resource groups, each with senior leadership and exec sponsorship.

We’re defining the relationship between tax and tech.

We’ve already built an industry-leading cloud compliance platform, processing over 54 billion customer API calls and over 6.6 million tax returns a year. Our growth is real - we're a billion dollar business - and we’re not slowing down until we’ve achieved our mission - to be part of every transaction in the world.

We’re bright, innovative, and disruptive, like the orange we love to wear. It captures our quirky spirit and optimistic mindset. It shows off the culture we’ve designed, that empowers our people to win. We’ve been different from day one. Join us, and your career will be too.

We’re An Equal Opportunity Employer

Supporting diversity and inclusion is a cornerstone of our company — we don’t want people to fit into our culture, but to enrich it. All qualified candidates will receive consideration for employment without regard to race, color, creed, religion, age, gender, national orientation, disability, sexual orientation, US Veteran status, or any other factor protected by law. If you require any reasonable adjustments during the recruitment process, please let us know.