Senior Manager, U.S. Tax

    $130,000 - $170,000/year
    Remote - Ontario - 37.5
    Full-Time
    Senior (7+ yrs)
    Legal & Compliance
    Posted on September 23, 2026

    Harris is seeking an experienced Senior Manager, U.S. Tax to play a critical role within our Global Tax team. Reporting directly to the Director, U.S. Tax, this position will serve as a trusted advisor and key partner in managing the Company's U.S. tax function, including tax compliance, tax accounting, acquisitions, and tax risk management. This is an excellent opportunity for a hands-on tax professional who thrives in a fast-paced, acquisitive environment and wants to have a meaningful impact on a growing organization.

    WHAT YOU WILL DO

    • Oversee U.S. federal and state corporate income tax compliance, ensuring timely and accurate filing of returns, extensions, and tax payments.

    • Review the Company's quarterly and annual U.S. income tax provision under IFRS, including current and deferred tax calculations and supporting documentation.

    • Manage estimated tax payments

    • Lead responses to IRS and state tax authority audits and notices

    • Develop, maintain, and enhance tax processes, controls, and documentation

    • Analyze tax accounting implications of significant transactions and tax positions.

    • Partner with Finance and Accounting teams to ensure accurate reporting of tax-related matters.

    • Support U.S. tax planning initiatives, evaluate and model the U.S. tax implications of strategic business initiatives and transactions.

    • Monitor changes in U.S. tax legislation and assess the impact on the Company's operations.

    • Support tax due diligence, acquisition structuring, integration activities, and post-acquisition compliance matters.

    • Analyze tax risks and planning opportunities associated with acquisitions and reorganizations.

    • Manage, mentor, and develop members of the U.S. tax team.

    • Help establish priorities, allocate work, and ensure high-quality execution across compliance, reporting and special projects.

    WHAT ARE WE LOOKING FOR

    • CPA designation, Master of Taxation, or equivalent professional qualification strongly preferred.

    • 10+ years of progressive U.S. corporate income tax experience, including experience within a large multinational public company and/or a Big Four accounting firm.

    • Strong technical knowledge of U.S. federal and state corporate income tax rules and regulations.

    • Experience with U.S. tax accounting and income tax provisions under IFRS and/or ASC 740.

    • Strong U.S. tax research, technical analysis, and problem-solving capabilities.

    • Experience managing tax audits and interactions with taxing authorities.

    • Ability to work independently, prioritize competing demands, and perform effectively in a fast-paced environment.

    • Excellent written, verbal, and interpersonal communication skills.

    • Proficiency with tax technology and compliance software, including OneSource.

    WHAT WILL MAKE YOU STAND OUT

    • Experience supporting acquisitions, post-acquisition integration, and corporate restructurings.

    • Experience in a technology, software, or highly acquisitive organization.

    • Experience working within a multinational tax environment.

    • Strong process improvement and tax technology skills.

    WHAT WE OFFER

    • Three weeks' vacation (four weeks after three years and five weeks after seven years) plus five personal days

    • Comprehensive Medical, Dental and Vision coverage from your first day of employment

    • Financial and professional development support for CPA candidates and members

    • Employee stock ownership and RRSP matching programs

    • Lifestyle rewards program

    • Flexible work options

    • Performance driven organization with many opportunities for advancement

    • And more!

    COMPENSATION DETAILS

    The potential salary range for this role is $130,000 to $170,000 amount per year, with eligibility for bonus or merit program. Final compensation will be based on experience, skills, market conditions, and internal equity. We offer a competitive Total Rewards program including health benefits, RRSP matching, stock option, and career development opportunities.

    Company:  Harris Computer

    Provides mission-critical software and service solutions for the public sector, healthcare, utilities, private sector, and insurance markets globally.
    10001+ employees
    Software & IT Services
    HQ: Canada