Senior Manager, Taxation

Location: Oshawa, ON
Language: Strong written and verbal English communication skills
Employment Type: Permanent, Full-Time
Compensation: $150,000–$175,000 annually, depending on experience, plus annual bonus and management incentive eligibility

About the Opportunity
Are you an experienced tax professional looking to take on complex, high-impact work while growing your leadership career? We're seeking a Senior Manager, Taxation to join a well-established, government-owned organization in the energy sector. This is an opportunity to contribute to major infrastructure projects, investment strategies and tax initiatives that have a meaningful impact across the business.

You'll join a collaborative tax team where responsibilities evolve, ideas are welcomed and expertise is shared. From corporate and commodity tax to regulatory accounting and investment tax credits, you'll gain exposure to challenges rarely found in traditional corporate tax environments.

What's In It for You
• A competitive salary, annual bonus eligibility and additional management incentive opportunities
• Four weeks of vacation and a stable, supportive work environment
• Exposure to major capital projects, complex tax structures and significant investment portfolios
• Opportunities for internal mobility, succession planning and long-term career development
• A collaborative culture that values flexibility, knowledge sharing and professional growth

Your Responsibilities
• You'll oversee Canadian federal and provincial income and commodity tax compliance, provisions and reporting.
• You'll provide strategic tax advice on business transactions, investment structures, pension funds and major infrastructure projects.
• You'll lead tax audits, develop strategies for complex issues and liaise with tax authorities.
• You'll interpret evolving Canadian tax legislation, exemptions and investment tax credits, ensuring effective implementation.
• You'll support regulatory tax calculations, tax planning and improvements to internal policies and controls.
• You'll mentor and manage an analyst while collaborating with finance, accounting and operational teams.

Skills and Qualifications
• 6–9+ years of progressive corporate tax experience within a large organization, professional services firm or Big Four environment.
• CPA designation and completion of Levels I and II of the CPA In-Depth Tax Program required.
• Level III of the In-Depth Tax Program or a Master of Taxation (MTax) considered an asset.
• Strong knowledge of Canadian corporate income tax, commodity tax, tax provisions and compliance.
• Experience managing complex tax matters, with previous people leadership experience preferred.
• Excellent communication skills, sound judgment and the ability to engage stakeholders at all organizational levels.

Note from the Hiring Manager
"We're looking for someone who brings strong tax expertise, but equally important is their ability to collaborate and adapt. There's a tremendous variety of work here, and we value people who are curious, willing to share their knowledge and excited to take on new challenges as the team evolves."

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals.All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.