Senior Accountant

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care.

What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.

The Senior Accountant – US Oncology Network Accounting is a senior-level individual contributor responsible for supporting accounting and financial operations for multiple US Oncology Network practices. This role partners closely with accountants, Practice Controllers, Accounting Managers, and Senior Accounting Managers to coordinate business activities, execute and oversee month-end close processes, ensure compliance with accounting policies and internal controls, and drive process improvement initiatives.

The role functions as a lead accounting resource, exercising independent judgment, influencing across teams, and owning complex accounting activities without direct people management responsibilities.

• Lead and execute all aspects of the month-end close process for assigned US Oncology Network practices, including journal entries, account reconciliations, accruals, allocations, and financial variance analysis.

• Serve as the primary accounting liaison for assigned practices, coordinating across accountants, Practice Controllers, Accounting Managers, and centralized finance teams to ensure timely and accurate financial reporting.

• Review and analyze balance sheet and income statement activity to ensure accuracy, completeness, and compliance with US GAAP and McKesson accounting policies.

• Identify, assess, and drive process improvement opportunities related to close efficiency, standardization, automation, and control effectiveness; lead initiatives from design through implementation.

• Execute and oversee key internal controls, including journal entry reviews, balance sheet reconciliation reviews, and documentation of Information Used in Controls (IUC).

• Support internal and external audits by preparing documentation, responding to inquiries, and partnering with auditors and internal stakeholders.

• Provide technical accounting guidance on complex or non-routine transactions, including review of contracts and business documentation for appropriate accounting treatment.

• Perform trend, flux, and root-cause analysis and prepare ad hoc financial analyses to support leadership decision-making.

• Act as a subject matter expert and mentor to accountants and senior accountants, providing guidance, coaching, and knowledge sharing without formal people management responsibilities.

• Promote an enterprise-wide mindset by collaborating effectively across functions and supporting continuous improvement and change initiatives.

Degree or equivalent and typically requires 7+ years of relevant experience.

Bachelor’s degree in Accounting or related field, or equivalent experience.

• Typically requires 7+ years of progressive accounting experience.

• Strong understanding of US GAAP, financial reporting, and internal controls.

• CPA or CPA-eligible strongly preferred.

• Experience supporting multi-entity or healthcare-related accounting environments.

• Experience working with US Oncology Network or physician practice accounting preferred.

• Advanced knowledge of balance sheet and income statement structure and account usage.

• Strong analytical, problem-solving, and critical thinking skills.

• Ability to lead complex accounting processes and projects independently.

• Strong communication skills with the ability to influence across levels and functions.

• High level of attention to detail with the ability to manage competing priorities.

• Advanced Excel skills and comfort working with large data sets.

• Experience with ERP systems (People Soft…