Human Resource Senior Manager
About The Position
At Gerdau, we empower our people to grow, thrive, and make a difference—together. With a culture built on trust and teamwork, we offer meaningful work, continuous development, and opportunities to shape your future. We invite you to come work with us, where your contributions are valued, your voice is heard, and your career is forged with purpose. Multi-site | Strategic HR Leadership | Labor Relations Focus. At GSN, we help build the future and we’re looking for a strategic and influential HR leader to join our team as a Senior Manager, Human Resources. This is an exciting and high-impact opportunity to influence business performance, strengthen leadership capability, and build scalable people strategies that support growth. In this role, you’ll partner directly with senior leadership to shape workforce strategy, lead labor and employee relations, and drive talent initiatives across a complex, multi-site environment. You will be a key leader in driving our organizational and cultural transformation.
Requirements
- Strong expertise across labor relations, employee relations, and talent management
- Proven ability to operate in multi-site, complex environments
- Solid business and data acumen—you use insights to influence decisions and outcomes
- Deep knowledge of compliance, risk management, and labor laws
- Strategic thinker who can influence and advise senior stakeholders
- Experienced people leader who develops teams and coaches leaders
- Confident communicator who can navigate complex, sensitive situations
- Bachelor’s degree in HR, Business, or related field
- 8–12+ years of progressive HR experience
- 5+ years of leadership experience
- Union negotiation experience required
Nice To Haves
- Multi-site manufacturing experience
- Labor relations expertise
- Strong leadership skills
- Master's degree in Human Resources, or a related field
- Professional certifications such as SHRM or HRCI
Responsibilities
- Partner with senior leaders to develop and execute HR strategies aligned to business goals
- Lead labor relations activities, including union negotiations, contract management, and complex issue resolution
- Drive talent strategy: workforce planning, performance management, succession planning, and labor cost optimization
- Ensure compliance, governance, and consistency across HR policies and practices
- Collaborate cross-functionally to enhance organizational design, productivity, and engagement
- Organizational Transformation Support: Lead HR workstreams for restructuring, growth initiatives, mergers & acquisitions
- Performance Monitoring and Continuous Improvement: Track HR metrics and drive improvements in processes, efficiency and outcomes
Benefits
- Equal employment opportunity
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What This Job Offers
Job Type
Full-time
Career Level
Senior
