Senior Payroll Accountant

At Mission, our passion for pets and their families fuels our ambition to build the greatest veterinary organization in the world. We are in a pivotal moment of growth, scaling toward 1,000 locations with a forward‑thinking team of more than 20,000. We are making strategic investments in our people, cutting‑edge technology, and the core systems that will prepare us for a future IPO.

This is where you come in. We’re looking for a detail‑oriented and proactive Payroll Accounting professional who thrives in a dynamic environment and is eager to innovate and help scale accounting operations. You’ll play a key role in the preparation of the general ledger, accruals, reconciliations, and collaborating across teams to build a foundation for our future success.

• Own and maintain accurate, complete, and timely payroll accounting calculations, reconciliations, and supporting records in accordance with GAAP, accounting policies, and internal controls.
• Prepare and review complex journal entries and related supporting schedules, including but not limited to compensation expense, bonus accruals, benefit accounting, payroll allocations, intercompany transactions, and reclassifications.
• Lead payroll and benefit‑related month‑end close activities, ensuring timely completion of reconciliations, variance analysis, issue resolution, and reporting deliverables.
• Analyze and interpret payroll and financial data to identify trends, risks, and opportunities; summarize findings and present recommendations to leadership in a clear and actionable format.
• Serve as a subject matter resource for payroll accounting processes and provide guidance to internal stakeholders on accounting treatment, payroll impacts, and reporting requirements.
• Partner cross‑functionally with Payroll, HR, Finance, FP&A, and external vendors to support operational and strategic initiatives.
• Effectively communicate complex accounting and payroll concepts to non‑financial stakeholders, translating technical information into clear business insights and recommendations.
• Drive process improvement initiatives focused on automation, scalability, controls, and efficiency across payroll accounting and related financial processes.
• Manage and prioritize multiple projects and competing deadlines while maintaining a high degree of accuracy and attention to detail.
• Support implementation, enhancement, and optimization of accounting and payroll systems, reporting tools, and workflows.
• Monitor changes in payroll regulations, accounting guidance, and compliance requirements to ensure ongoing adherence and proactive process updates.
• Develop and maintain documentation of key processes, controls, methodologies, and standard operating procedures.
• Demonstrate leadership through ownership, problem solving, continuous improvement, and influence across the broader accounting organization.

• CPP designation and/or Bachelor’s degree in Finance/Accounting or a related field.
• 4+ years of progressive experience in accounting, payroll accounting, audit, or related financial functions preferred.
• Experience with Dayforce, Workday, and other payroll, ERP, and financial reporting systems is preferred.
• Advanced proficiency in Excel, including working with large datasets, complex formulas, reconciliation processes, and data analysis techniques.
• Strong understanding of accounting principles, month‑end close processes, accrual methodologies, and financial controls.
• Demonstrated ability to identify process improvement opportunities and implement practical, scalable solutions.
• Strong analytical, organizational, and problem‑solving skills with exceptional attention to detail and accuracy.
• Ability to manage confidential information with discretion and professionalism.
• Excellent written and verbal communication skills with the ability to interact effectively across all levels of the organization.
• Proven ability to work independently, exercise sound judgment, and drive results with limited supervision.
• Ability to adapt in a fast‑paced environment and manage multiple priorities while maintaining quality and deadlines.

As part of the Mission Pet Health family, you get the…