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Senior Manager, Human Resources

Job in New York, New York County, New York, 10001, USA
Listing for: Momentum Worldwide
Full Time position
Listed on 2026-10-08
Job specializations:
  • HR/Recruitment
    HR Generalist / Talent Management, HR Manager
Job Description & How to Apply Below
Location: New York

Agency:

Omnicom Corporate Job Function:

People and Culture Job Subfunction:
People and Culture Business Partner and Generalist

Job Description:

We are seeking a Senior Manager, Human Resources, with strong HR business partnering background and demonstrated success supporting complex organizations in dynamic, fast-paced environments. This position serves as a strategic partner to business leaders and provides both strategic and operational HR leadership across multiple client groups within key corporate functions. The Senior Manager will support the company’s values, inclusive culture and business objectives.  

Based at our NY corporate headquarters, the ideal candidate will be comfortable partnering with leaders at all levels within the organization including senior executives, to lead people initiatives related to organizational effectiveness, employee relations, talent management, workforce planning, organizational design, change management, leadership coaching, and compensation planning. This individual will thrive working as part of a collaborative global HR team and will play a critical role in shaping talent strategies, organizational effectiveness, and employee experience across the organization.

This role requires regular in-office presence five days per week, to engage and collaborate in-person.

Essential Functions:

Serve as a trusted advisor, coach, and strategic partner to leaders and employees across assigned business groups, providing guidance on a broad range of human resources matters.

Partner with senior business leaders to develop and execute people strategies that support business objectives, growth initiatives, and organizational effectiveness.

Lead complex employee relations matters, performance management issues, reorganizations, reductions in force, and terminations in partnership with HR leadership and Employee Relations COE.Provide thought leadership and guidance on organizational design, workforce planning, succession planning, and talent assessment initiatives.

Partner with leaders to identify talent gaps and develop strategies to attract, retain, and develop high-performing and diverse talent.

Consult with leaders on job design, organizational structure, promotions, and workforce planning decisions.

Partner with department leaders, hiring managers and the Talent Acquisitions COE to develop effective recruiting strategies and ensure a strong candidate selection and experience.

Oversee the full life cycle of employee engagement, starting with onboarding; partner with Operations COE, employees and leaders to ensure employees are set up for success.

Partner with Compensation COE to make comp package recommendations to leaders for open positions, promotions, or role changes.

Analyze workforce trends and people metrics to provide insights and recommendations that drive business performance and inform decision-making.

Collaborate with Learning & Performance COE to identify talent development opportunities, champion initiatives, and drive adoption of development programs to facilitate a culture of continuous learning, growth, and high performance.

Lead change management efforts associated with organizational transformations, business realignments, and enterprise initiatives.

Proven understanding of how to make data-driven talent decisions and recommendations.

Develop, interpret, and implement HR policies, programs, practices, and process improvements, ensuring consistency, alignment, and operational effectiveness across client groups and legacy organizations where applicable.

Identify and proactively mitigate employee-related risks, escalating matters as appropriate.

Partner closely with HR Operations COE to ensure transactions are routed and approved accordingly. Ensure integrity of…
Position Requirements
10+ Years work experience
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