Tax Administrative Supervisor

Miller Cooper is seeking a professional, organized, and proactive Tax Administrative Supervisor to join our firm. You will manage the administrative, operational, and workflow functions of our administrative team. This role can work from any of our offices, but you must have a vehicle to travel to any of them as needed.

With over 105 years of independent, client-focused service in Chicagoland, we've grown organically - never through mergers or acquisitions. That means more opportunity, more impact, and a real voice in your department and your career.

Firm Highlights:

• Crain’s Chicago 10th largest firm (2026), Accounting Today’s 52nd largest firm in the US, 10th in the Great Lakes region (2026).

• Largest independent public accounting firm in Chicago.

• Large Firm Opportunities, Small Firm Culture.

• Culture of collaboration. We win as a team; we lose as a team.

How You Will Contribute:

Leadership & Team Supervision:

• Lead, mentor, schedule, and supervise members of the Tax Administrative team.

• Manage day-to-day workloads, priorities, coverage, and deadlines.

• Establish consistent administrative practices across offices.

• Coach team members and support their ongoing development.

• Serve as the primary point of coordination between Tax Administration and Tax Operations.

• Proactively identify resource or workflow issues and resolve or escalate them as appropriate.

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Tax Operations & Workflow:

• Oversee the administrative workflow associated with tax return processing and filing.

• Monitor filing processes and work with Tax personnel to resolve processing or e-filing issues.

• Coordinate tax-season deadlines, extensions, deliverables, and administrative workflow.

• Ensure administrative tax processes are completed accurately, timely, and in accordance with firm policies.

• Help maintain internal tax administration procedures and document-management content.

• Identify and implement process improvements that increase consistency, efficiency, and quality.

Hands-On Tax Administrative Support:

• Process tax returns and client deliverables, primarily through electronic delivery and signature platforms.

• Support electronic and, when necessary, paper filing processes.

• Coordinate receipt, scanning, organization, and electronic processing of tax documents.

• Prepare correspondence and other tax-related administrative materials.

• Provide additional administrative and project support to the Tax Department when needed.

About YOU!

• At least 4 years of experience at a midsize accounting firm.

• At least 2 years of tax administrative team leadership experience.

• Demonstrated experience processing tax returns and managing tax administrative workflows.

• Strong leadership, communication, organization, and problem-solving skills.

• Ability to manage multiple priorities and deadlines during peak tax periods.

• High degree of accuracy and attention to detail.

• Proficiency in Microsoft Office products, specifically Outlook, Excel, and Word.

• Experience with GoFileRoom, GoSystem, SafeSend, or similar accounting software is preferred.

• Bachelor’s degree preferred.

• Professional attitude and appearance.

• DAILY ACCESS TO A VEHICLE is required to commute to and from all offices as needed.

• Overtime required during spring and fall busy seasons, including Saturdays.

What we offer:

• Competitive benefits package

• Generous paid time off that increases with tenure (up to the Firm max)

• Paid parental leave

• 8 hours of paid volunteer time

• Team lunches every Tuesday

• Miller Cooper Communities (employee resource groups)

• Employee and client referral bonus program

• Commuter benefits

Individual salaries that are offered to a candidate are determined after consideration of numerous factors including internal salary alignment, market data, and the candidate’s qualifications- including, but not limited to, specialty skills, prior relevant industry experience, and relevant degrees or certifications (e.g., CPA, JD). A reasonable estimate of the base salary range for this level is $80,000 - $95,000, not including discretionary annual bonus and other competitive benefits.