Senior Manager, HR Business Partner

Join StackAdapt as a Senior Manager, HR Business Partner, leading people strategies and employee relations in a remote, full-time role with a competitive salary range of $51,000 – $85,000 USD. StackAdapt is a technology company focused on delivering data-driven advertising solutions. We partner with businesses to optimize their marketing strategies and drive performance.

• •Partner with senior business leaders to design and execute people strategies that drive organizational effectiveness, talent retention, and high-performance culture.
• •Lead complex employee relations investigations and resolution processes, applying sound judgment and ensuring legal compliance across Canadian and global jurisdictions.
• •Lead a team of global People Business Partners while partnering with senior business leaders to design and execute people strategies that drive organizational effectiveness, talent retention, and high-performance culture.
• •Consult on org design, workforce planning, and restructuring initiatives, providing data-informed recommendations to business and People leadership.
• •Coach and develop people managers on leadership effectiveness, performance management, and team engagement.
• •Collaborate with Centers of Excellence (Talent Acquisition, Total Rewards, L&D, People Ops) to deliver integrated HR programs aligned to business priorities.
• •In your first six months, you will focus on building trusted relationships with your assigned business unit leaders, conducting a landscape assessment of current people priorities and talent gaps, and completing at least one end-to-end org design or workforce planning initiative.
• •You will also lead employee relations cases independently, support a performance cycle, and co-develop a people roadmap for your client groups aligned to StackAdapt's 2026 company objectives.

• •Resolve 90%+ of ER cases within agreed SLA timelines.

• •Deliver at least one documented org design or workforce planning project within the first 6 months.

• •Demonstrate measurable improvement in manager effectiveness scores in assigned client groups within 12 months.

• •Contribute to a regrettable attrition rate at or below team target for assigned business units.

• •The compensation range listed for this role reflects the expected base salary for candidates located in the posting country based on a global rate.
• •StackAdapt maintains different compensation ranges for roles across other countries and regions, and final offers will be aligned to the candidate’s current location.
• •We do not ask candidates about current or prior salary history, and we will not use such information, if volunteered, in setting an offer.
• •This range represents base salary only. Depending on the role, candidates may also be eligible for additional compensation such as annual bonuses, commissions, equity awards, and a comprehensive benefits package.
• •Canada Base Salary Band $148,000 — $203,500 CAD
• •USA Base Salary Band $160,000 — $220,000 USD
• •StackAdapt's Enjoy: Highly competitive salary, Retirement/ 401K/ Pension, Savings globally, Competitive Paid time off packages including birthdays off, Access to mental health care program, Health benefits from day one, Work from home reimbursements, Optional global WeWork membership, robust training and onboarding, development support, programmatic courses and certifications, parental leave program, friendly culture, social and team events.

• •7+ years of progressive HR Business Partner experience, including at least 3 years in a senior or lead HRBP role supporting complex, fast-paced organizations.
• •Demonstrated experience leading org design, workforce planning, and change management initiatives at scale.
• •Deep expertise in Canadian employment law and employee relations practices across multiple provinces; global employment law knowledge is a valuable asset.
• •Proven ability to build trusted advisory relationships with VP and C-suite leaders, influencing decisions through data, business acumen, and credibility.
• •Track record of coaching and developing managers and teams to elevate leadership capability and engagement.