Senior Accountant

We are seeking a highly motivated and detail-oriented Senior Accountant to join our Accounting team. Reporting to the Accounting Manager, this role will own complex accounting areas, support the monthly and quarterly close process, and play a key role in ensuring accurate, timely, and compliant financial reporting. The Senior Accountant will work cross-functionally within Finance and across the business, support external audits, and help drive process improvements as the company continues to scale.

This role offers meaningful exposure to technical accounting topics, senior finance leadership, and ongoing opportunities to improve and optimize accounting processes in a fast-paced, growing environment.

• Own and manage complex areas of accounting, ensuring accuracy and compliance with GAAP
• Support and drive key aspects of the month-end and quarter-end close, including journal entries, account reconciliations, variance analysis, and reporting
• Review work prepared by Staff Accountants and provide coaching and feedback to support development
• Apply a strong understanding of SOX principles, including the design, execution, and documentation of internal controls
• Partner with external auditors by preparing audit requests, responding to inquiries, and supporting audit walkthroughs and testing
• Collaborate cross-functionally with FP&A, Procurement, Legal, and other teams to support accurate financial reporting
• Analyze financial results to identify discrepancies, risks, and opportunities for improvement
• Lead and support process improvement initiatives to increase efficiency, accuracy, and scalability
• Manage and prioritize multiple work streams simultaneously while consistently meeting deadlines
• Leverage the company’s ERP system (NetSuite preferred) and related tools to ensure accurate and timely reporting
• Leverage AI-powered tools and automation where appropriate to improve accuracy, efficiency, and scalability of accounting processes

• Quickly develop a strong understanding of assigned accounting areas and responsibilities
• Become proficient in the Accounting team’s systems and processes (e.g., NetSuite, Coupa, Workday)
• Identify gaps in existing processes and proactively recommend improvements
• Consistently deliver accurate work while managing competing priorities
• Build strong working relationships across the Accounting team and broader organization
• Begin identifying opportunities to responsibly use AI and automation to streamline workflows, improve controls, and enhance reporting efficiency

• Detail-oriented with strong analytical and problem-solving skills
• Comfortable operating in a fast-paced, evolving environment
• Confident communicator who can work effectively with both internal stakeholders and external auditors
• Highly organized and able to manage multiple priorities at once
• Proactive, collaborative, and continuously looking for ways to improve processes
• Interested in learning and applying new tools and technologies to make work more efficient
• Interested in learning and applying new tools and technologies, including AI-driven solutions, to make work more efficient and impactful

• Bachelor’s degree in Accounting or a related field
• 5+ years of progressive accounting experience
• Strong knowledge of GAAP and financial reporting
• Hands-on experience supporting month-end close, reconciliations, and audits
• Demonstrated understanding and application of SOX/internal control principles
• Experience working directly with external auditors
• Strong Excel skills
• Experience working in an ERP system; NetSuite experience strongly preferred
• CPA license or progress toward certification preferred

At Klaviyo, we believe remarkable people build remarkable products. We value continuous learning, radical collaboration, and ambitious problem-solving—and we’re excited to welcome someone who shares those values to our Accounting team.