Chief Human Resources Officer Regional HR Leaders, HR Managers, HR Business Partners Mississauga, ON — national travel required 10-20% Hybrid
- 3 days a week on site from any hub near your home. Our client is a large, well-established Canadian organization with a national operational footprint spanning every province. With a workforce of thousands of frontline employees and a long-standing presence in communities across the country, the organization combines deep operational scale with a strong, people-first culture. Having recently completed a significant strategic acquisition and continuing to grow, the organization is in an exciting moment of transformation — modernizing its people practices, investing in technology and infrastructure, and standardizing HR operations to support its expanding national mandate. This is a newly elevated, senior leadership role created to unify oversight of the field HR function under a single national leader. Reporting to the CHRO and serving as a member of the HR Leadership Team, the Senior Director, Human Resources will be the senior HR partner to national Operations leadership — bridging the gap between field and corporate, and driving consistency, standardization, and modernization across a large, complex, geographically dispersed organization. This role is ideal for an experienced HR leader who is energized by complexity, thrives in demanding, unionized operational environments, and is ready to make a visible impact at the national level. Strategic HR Leadership & Business Partnership Serve as the senior HR partner to national Operations leadership, translating business priorities into practical, measurable people strategies. Provide strategic advice and coaching on organizational effectiveness, talent management, workforce planning, and change management.



Represent the field HR perspective as a member of the HR Leadership Team. National Field HR Team Leadership Lead a national field HR team across Western Canada, Ontario/Central, and Quebec/Eastern Canada. Build trusted relationships with regional directors and senior managers across the operational network. Ensure consistent application of HR policies, programs, and labour relations practices across all regions. Support operational leaders in managing employee relations matters: performance management, attendance management, investigations, accommodation, and workplace conflict resolution. Labour Relations & Unionized Workforce Support Own the day-to-day, operational side of labour relations across multiple bargaining units and jurisdictions. Apply strong LR knowledge to collective agreement administration, interpretation, grievance management, arbitration preparation, and dispute resolution. Support collective bargaining-related activities including preparation, operational planning, implementation, and contingency planning. Monitor evolving labour trends, legislation, and legal developments; Drive a culture of continuous improvement across field HR and operational people practices. Identify opportunities to simplify, standardize, automate, and modernize HR processes and practices nationally. Leverage data and analytics to identify workforce trends and support evidence-based decision-making.



Champion technology adoption and partner with Centres of Excellence to enhance HR programs and tools. Lead complex organizational change initiatives impacting field operations nationally. Provide stakeholder management and change leadership through transformational projects. Support talent reviews, leadership development, and workforce planning activities. Coach senior operational leaders on performance management, employee engagement, and leadership effectiveness. Compliance & Risk Management Provide oversight and guidance on high-risk employee and labour relations matters. Minimize organizational risk through proactive management of ER and LR issues. 12+ years of progressive HR leadership experience, including significant experience supporting large, unionized workforces. Demonstrated experience leading multi-regional HR teams across Canada. Solid labour relations knowledge: collective agreement administration, grievance management, arbitration, and dispute resolution. Experience supporting collective bargaining processes — preparation, operational planning, implementation, and leader readiness. Proven success leading organizational transformation, change management, and continuous improvement initiatives. Strong working knowledge of federal and provincial employment and labour legislation. Post-secondary education in Human Resources, Industrial Relations, Business Administration, or a related field. CHRL, CHRE, CPHR, or equivalent professional designation is an asset. Additional studies in labour relations, employment law, organizational development, or change management are an asset. Bilingualism (French/English) is a strong asset given the national scope of the role. You are hands-on and field-present — you believe

📌 Senior Labour Relations (Mississauga)
🏢 Waterstone Human Capital
📍 Mississauga