Sr Staff Analyst - Income & Sales Tax

IonQ, Inc. [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance.

Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before.  

The Staff Tax Analyst will play a key role in the company’s global tax accounting and U.S. tax compliance processes, while also helping modernize the tax function through technology, automation, and data-driven insights. This role supports the global income tax provision, U.S. federal and state compliance, and indirect tax filings, and contributes to the development and deployment of machine-learning and AI-enabled tools that improve accuracy, efficiency, and scalability. The ideal candidate is technically strong, detail-oriented, and excited about leveraging technology to transform tax operations.

Global Tax Provision Support

• →Prepare quarterly and annual global income tax provision workpapers in accordance with ASC 740.
• →Assist with effective tax rate calculations, deferred tax rollforwards, valuation allowance analyses, and uncertain tax position documentation.
• →Maintain and reconcile tax accounts, ensuring audit-ready support and strong internal controls.
• →Collaborate with regional teams and external advisors to gather, validate, and analyze provision inputs.
• →Support automation of provision processes, including data ingestion, reconciliation, and reporting workflows.

U.S. Direct Tax Compliance

• →Prepare federal and state income tax returns, extensions, and estimated tax payments.
• →Conduct tax research and support modeling related to U.S. tax law changes and planning initiatives.
• →Maintain compliance calendars, documentation, and audit support files.
• →Assist with data preparation and analytics for tax planning, forecasting, and legislative impact assessments.

U.S. Indirect Tax Compliance

• →Prepare and file U.S. indirect tax returns, including sales & use tax, property tax, and other state/local filings.
• →Perform nexus reviews, taxability analyses, and registration updates.
• →Reconcile indirect tax accounts and ensure accurate reporting within ERP and billing systems.
• →Support indirect tax audits and respond to notices and information requests.

Tax Technology, Automation & Data Analytics

• →Partner with the Tax Director and Finance Systems teams to identify opportunities for automation across provision, compliance, and indirect tax workflows.
• →Assist in implementing AI-driven tools, including:
• →Machine-learning models for anomaly detection in tax data.
• →Automated data extraction and classification tools for tax documents.
• →AI-assisted reconciliation and variance analysis.
• →Help design and maintain dashboards, data pipelines, and analytics tools that improve visibility into tax metrics.
• →Support testing, validation, and documentation of new tax-tech solutions and system enhancements.
• →Contribute to process mapping and continuous improvement initiatives to streamline tax operations.

Cross-Functional Collaboration

• →Work closely with Accounting, FP&A, Legal, and Operations to ensure accurate tax reporting and compliance.
• →Support monthly and quarterly close processes, including journal entries and reconciliations.
• →Participate in system upgrades, ERP enhancements, and data governance initiatives.

• Bachelor’s degree in Accounting, Finance, or related field; CPA or progress toward CPA preferred.
• 3+ years of relevant tax experience, ideally including ASC 740 and U.S. corporate tax.
• Experience with indirect tax compliance and multi-state filings is a plus.
• Interest or experience in tax technology, automation, or data analytics (e.g., Alteryx, Power BI, Python, AI-enabled tools).
• Strong Excel skills; familiarity with ERP systems and tax software.
• Excellent analytical skills, attention to detail, and ability to manage multiple deadlines.
• Strong communication skills and a collaborative, solution-oriented mindset.

If you are interested in being a part of our team and mission, we encourage you to apply!