Senior Manager, HR Business Partner

StackAdapt

9d•Remote

About The Position

As a Senior Manager, HR Business Partner, you will lead a global team and serve as a strategic HR partner to senior leaders across our global revenue organization, driving people strategy, organizational effectiveness, and talent development in alignment with StackAdapt's company objectives. This is a high-impact leadership role within the People & Culture team, requiring deep expertise in employee relations, org design, and change management at scale. You will collaborate closely with leaders across Finance, Legal, and other G&A functions, as well as cross-functional partners in Talent Acquisition, Total Rewards, People Operations, and Learning & Development to deliver integrated people programs. This role reports to the Director, People Business Partners. StackAdapt is a Remote First company, we are open to candidates located anywhere in Canada for this position.

Requirements

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.

Responsibilities

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.
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.

Benefits

Highly competitive salary
Retirement/ 401K/ Pension Savings globally
Competitive Paid time off packages including birthday's off!
Access to a comprehensive mental health care program
Health benefits from day one of employment
Work from home reimbursements
Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto
Robust training and onboarding program
Coverage and support of personal development initiatives (conferences, courses, books etc)
Access to StackAdapt programmatic courses and certifications to support continuous learning
An awesome parental leave program
A friendly, welcoming, and supportive culture
Our social and team events!