We are looking for a US Tax Senior Manager to lead large and complex engagements in the U.S. Tax Practice. The role involves technical leadership, client relationship management, and business development for EY’s U.S. Tax practice in Canada.

Responsibilities

- Lead and oversee multiple complex U.S. tax compliance engagements end-to-end, ensuring technical accuracy, quality, and timely delivery.
- Serve as a primary client contact and build trusted relationships with tax leaders and key stakeholders.
- Provide technical leadership on U.S. corporate and partnership taxation matters, including federal and state considerations.
- Guide cross‑border tax issue spotting and collaborate with global teams as needed.
- Review and sign off on key deliverables such as returns, workpapers, and technical memoranda, and drive risk and quality management across engagements.
- Coach, mentor, and develop Managers and staff to build high‑performing teams and create a strong teaming culture.
- Lead engagement economics—scope, budgeting, resourcing—and proactively manage risks, deadlines, and priorities.
- Support business development through proposals, pursuits, account planning, and relationship expansion.
- Contribute to national initiatives such as recruiting, learning, and tax technology adoption.

Skills and Attributes for Success

- Strong people leadership with a demonstrated ability to coach, develop, and retain high‑performing teams.
- Confident communicator who can influence across levels and collaborate effectively across geographies and service lines.
- Proven ability to build and sustain senior client relationships and translate technical work into practical business outcomes.
- Strong commercial mindset with interest in growth, market development, and account expansion.




- Deep technical knowledge in U.S. corporate and partnership taxation with the ability to resolve complex issues with sound judgment.
- Ability to synthesize technical guidance into clear recommendations, supported by strong writing skills.
- Excellent project management skills with the ability to prioritize and deliver across multiple engagements and deadlines.
- Strong focus on quality, risk management, and consistent delivery excellence.

Qualifications

- An undergraduate degree in a related field.
- Significant progressive U.S. tax experience (typically 8+ years) with a solid foundation in U.S. corporate federal and state income tax compliance and, or partnership compliance, including review leadership and issue resolution.
- A U.S. CPA designation.
- Demonstrated experience leading teams, managing engagement economics, and delivering through others.
- Strong technical research capability, experience drafting and reviewing technical memoranda and client‑ready communications.

Benefits

- Competitive compensation package with performance‑based rewards.
- Discretionary bonus program.
- Comprehensive medical, prescription drug, and dental coverage.
- Defined contribution pension plan.
- Generous vacation policy plus firm paid days for extended weekends.
- Statutory holidays and paid personal days based on province of residence.
- Programs supporting physical, financial, and social well‑being.

Salary Ranges

- Toronto: $128,000 to $178,000
- Waterloo, London: $121,500 to $171,500

EY is an equal opportunity employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or veteran status.

#J-18808-Ljbffr

📌 US Corporate Tax - Waterloo - Senior Manager (Ontario)
🏢 EY
📍 Ontario