Senior Tax Accountant/Supervisor (Middle Market -Large Company Client Focus)

Senior Tax Accountant/Supervisor 

We are looking for dynamic Tax professionals with Business/Corp Tax experience to join our growing team. We offer tremendous growth and development opportunities to assist with both your personal and professional goals. Are you ready for a new challenge? If you are interested in working in a vibrant firm with stimulating assignments and growth potential, this is the opportunity for you. We are not your typical CPA Firm, we truly recognize and value our team members and balance between work and life.

Department Overview:

Summary: Senior Tax Accountant will be responsible for the timely completion of tax compliance and consulting engagements including preparation and/or review of tax returns, research memos, estimates, extensions, and notices.

 *Seeking candidates who have tax experience working on either Middle and/or Large Company Tax clients - (experience with clients who have annual revenues in the 25-400 million range) 

Responsibilities:

·        Preparing difficult business returns.

·        Reviews tax returns/work files for completeness, accuracy and compliance; communicates with and trains staff on areas needing improvement.

·        Monitors tax deadlines to ensure that returns are prepared on a timely basis; communicates with managers during the preparation process to identify any tax issues needing addressing and to pull jobs so that they reach the technical review stage timely.

·         Performs tax research and helps train staff to do the same; schedules annual tax research training session for all tax staff.

·         Understanding and completing the steps in conducting research projects; preparing written conclusions, subject to Manager or Principal review.

·         Assisting audit and accounting staff with non-complex tax questions.

·         Understanding tax accruals.

·         Responding to IRS or state tax notices.

·        Training interns/staff to be able to prepare effective responses to tax notices and reviews for accuracy and supervising workflow of Tax Accountants/Interns on less complex returns.

·         Identifying problems and opportunities for research or work other than compliance.

Education and Experience

Bachelor's degree (Masters in Tax is a plus) in accounting is required, a CPA license is a plus; along with a minimum of 3 years tax experience within a public accounting firm. Qualified candidates will have experience with all different entity types. Ideal tax experience servicing middle market and/or large company clients with a background in Partnerships, S Corporations, and C Corporations. 

Awards & Recognition:

• #4 Best Company to Work For in New York - 2026 (ranked #1 in 2025 & 2024, 2022)
  
• Best Accounting Firms to Work For (2012–2025)
  
• #1 Best Accounting Firm & Most Innovative Workplace (2025 & 2024, Rochester Business Journal)
  

We offer competitive salaries, an outstanding paid time off program (4-5 weeks based on level), 16 paid holidays, remote/hybrid work flexibly, 401(k) plan with firm contributions, tuition reimbursement program, 100% employer paid parking, spot bonus program, CPA bonus, a variety of different medical plan options along with opt-out dollars if you do not need medical ins coverage. In addition, we offer tremendous growth and development opportunities to assist with both your personal and professional goals.

At Insero, we’re committed to transforming the employee experience, beyond industry standards to enable you to build your ideal career. Let us show you how life at Insero is different:

·         We offer excellent advancement opportunities as well as advisor and mentor programs.

·         We invest heavily in training and technology.

·         We focus on flexibility, with an amazing hybrid working environment giving you the ability to work in the office as well as from home/remote.

·         We serve a wide variety of clients and offer many compliance and consulting services, giving our team members opportunities to explore different areas of practice.

·         There are also many opportunities to get involved from day one, including our initiatives for outreach, innovation, wellness, and diversity, equity, and inclusion.