Tax Manager, CPA

Tax Manager (CPA) – Review & Sign Authority

Mainstay Accounting Solutions

About the Role

Mainstay Accounting Solutions is seeking an experienced Tax Manager, CPA with Big 4 and/or large regional public accounting experience (tax) to join our growing firm in a leadership capacity. This role is ideal for a technically strong tax professional who enjoys reviewing and signing returns, mentoring staff, and delivering high-level tax planning and advisory services—without the pressure of business development. We provide the book of business; your focus is quality, strategy, and leadership.

You will serve as a technical reviewer and signing CPA, overseeing returns prepared by staff, ensuring compliance, accuracy, and defensibility while contributing to advanced tax planning initiatives for sophisticated clients.

Key Responsibilities

• Review, approve, and sign federal, state, and local tax returns (individual, business, and complex entities) prepared by junior and mid-level staff
• Ensure compliance with IRC, Treasury Regulations, GAAP, and applicable state and local tax laws
• Provide technical oversight on complex tax matters including multi-state filings, entity structuring, and advanced tax planning strategies
• Serve as a subject-matter expert and mentor to staff, elevating technical quality and review standards firm-wide
• Collaborate with internal accounting and advisory teams to align tax compliance with broader financial and strategic objectives
• Identify tax risks, planning opportunities, and compliance issues before filing
• Utilize CCH / Wolters Kluwer, QuickBooks, and related tax and accounting platforms for review, diagnostics, and workflow management
• Support audit-ready documentation, reconciliations, and regulatory reporting as needed
• Maintain professional standards and uphold signing authority responsibilities with integrity and precision

Required Qualifications

• Active CPA license (required)
• Big 4 public accounting experience, specifically in tax
• Significant experience reviewing and signing tax returns
• Strong technical knowledge of federal and state taxation for individuals and entities
• Deep understanding of GAAP and tax-accounting interplay
• Experience supervising, reviewing, and mentoring tax staff
• Proficiency with CCH / Wolters Kluwer and QuickBooks
• Ability to evaluate complex tax positions and clearly document conclusions
• Excellent written and verbal communication skills

Preferred Experience

• Exposure to private equity, M&A transactions, and complex entity structures
• Multi-state and multi-entity tax compliance experience
• Experience working with high-net-worth individuals and closely held businesses
• Background in firms with strong quality control and review standards

What We Offer

• Established book of business provided — no sales or rainmaking required
• Leadership-focused role with signing authority and technical autonomy
• Flexible work environment
• Competitive compensation aligned with experience and responsibility
• Opportunity to help shape firm-wide tax standards and review processes
• A collaborative, growth-oriented firm that values precision, professionalism, and work-life balance
• Full benefit package – medical, dental, vision, life, disability, and 401k matching

Why Mainstay

At Mainstay Accounting Solutions, we believe great tax outcomes come from strong technical leadership and thoughtful review, not volume-driven churn. This role is built for a Tax Manager who wants to apply larger firm size rigor in a more agile, modern practice—while making a real impact on clients and staff alike.

Pay: $65, $115,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Continuing education credits
• Dental insurance
• Disability insurance
• Flexible schedule
• Health insurance
• Life insurance
• Opportunities for advancement
• Paid sick time
• Paid time off
• Paid training
• Professional development assistance
• Referral program
• Vision insurance

Work Location: In person