Senior Human Resources Business Partner

Shape and roll out HR processes: Lead workforce planning, succession planning, benchmarking, talent acquisition, and retention strategies across the US organization Design and implement talent performance management programs (annual reviews, career paths, development frameworks) Assess employee development needs, make recommendations, and implement solutions Build and continuously improve onboarding processes in partnership with managers Be a strategic business advisor: Partner with senior leaders across all functions on organizational design and workforce decisions Coach managers on how to lead their teams, navigate difficult conversations, and develop their people Handle complex employee relations matters — including performance improvement plans, difficult exits, and reductions in force — with empathy and precision Manage legal and compliance processes: contracts, visas, contractual terminations Collaborate globally: Work cross-functionally with Aircall's global HRBP team to ensure alignment on people programs and initiatives Represent US employees and business context in global HR conversations Build a strong employer brand & culture: Champion Aircall's employer brand to attract and retain top talent, with a particular focus on tech candidates Cultivate an open, dynamic, high-growth culture as Aircall continues to scale 8+ years of HRBP experience A data-driven mindset — background in mathematics, business, or a related analytical discipline preferred Experience at a large tech company combined with agility from a smaller, high-growth environment Deep expertise in employee relations — you've navigated layoffs, difficult exits, and PIPs with professionalism and care Strong manager coaching skills; you're a trusted partner to leaders at all levels Excel proficiency and comfort using data to drive HR decisions Strong project management skills with the ability to drive programs independently Excellent interpersonal and communication skills — you build trust quickly and communicate clearly across all levels of the organization