Operations Support Manager, Accounting

The Employee Benefits Consulting Practice offers excellent retirement, health, compensation and investment consulting services to our clients. We are currently seeking an Accounting Manager that oversees key accounting functions such as billing, credit/collections, and AP/AR support, ensuring efficient operations and accurate financial data. This role manages month-end and year-end closings, resolves escalated issues, and maintains compliance with internal controls. The Accounting Manager leads a team, develops processes to improve financial visibility and mitigate risk, and supports client service excellence through operational accuracy and effective staff management.

Who We Are

Independent for over 75 years, Milliman delivers market-leading services and solutions to clients worldwide. Today, we are helping companies take on some of the world’s most critical and complex issues, including retirement funding and healthcare financing, risk management and regulatory compliance, data analytics and business transformation.

Milliman invests in skills training and career development and gives all employees access to a variety of learning and mentoring opportunities. Our growing number of Milliman Employee Resource Groups (ERG’s) are employee-led communities that influence policy decisions, develop future leaders, and amplify the voices of their constituents. We encourage our employees to give back to their varied professions, including leadership in professional organizations. Please visit our web site Social Impact | Milliman | Worldwide to learn more about Milliman’s commitments to our people, inclusion, and sustainability.

Through a team of professionals ranging from actuaries to clinicians, technology specialists to plan administrators, we offer unparalleled expertise in employee benefits, investment consulting, healthcare, life insurance and financial services, and property and casualty insurance.

What You Will Do

You will manage key accounting functions, lead close processes, and ensure accurate financial data. You’ll supervise the accounting team, drive process improvements, and collaborate with leadership to support business objectives.

• Oversee all key accounting operations, including AP, billing, AR, collections, ensuring accuracy, compliance, and timely processing in line with regulations and client agreements.
• Lead month-end and year-end close processes, ensuring reconciliations, reviews, approvals, and financial reporting are completed accurately and on schedule.
• Maintain integrity of financial data across multiple systems, resolve discrepancies, and drive process standardization for transparency and reliability.
• Support audit preparation and coordination, ensuring all documentation and reconciliations are complete and audit-ready.
• Monitor and analyze accounting performance metrics such as billing accuracy and close timeliness, recommending process or training improvements as needed.
• Supervise and develop the accounting support team, providing day-to-day direction, coaching, feedback, and workload management to ensure high performance and service continuity.
• Establish clear expectations, priorities, and service standards within the team, promoting a culture of accountability and excellence.
• Implement standardized procedures and identify automation opportunities to enhance efficiency and reliability of accounting operations.
• Collaborate with leadership and other departments to align accounting functions with broader business strategies and operational excellence goals.
• Deliver and oversee responsive, professional accounting support that builds confidence and enables informed, client-focused decisions by Principals, consultants, and internal partners.
• Track and report on key performance indicators, providing insights for continuous improvement and informed decision-making.
• Communicate proactively with internal and external stakeholders to resolve issues, support business needs, and ensure effective, timely financial operations.

What We Are Looking For

We are looking for an experienced Accounting Manager with strong leadership skills, attention to detail, and expertise in billing, collections, AP/AR, and financial operations. The ideal candidate excels at process improvement, team management, and ensuring accurate, efficient accounting practices.

Required Qualifications

• A minimum of 10 years of progressive accounting experience within a consulting, law, or professional services firm.
• A minimum of 5 years of experience leading and managing a team of direct reports.
• Experience with professional services billing models such as fixed-fee, retainer, or blended ra