Manager, People Business Partner

We're seeking a Manager, People Business Partner to serve as the dedicated HR point of contact for Petra's co-source and lift-out client teams — a population that has more than doubled in the past year to 185+ employees across 20+ distinct client relationships within the U.S. and Canada. Reporting to the Senior Manager, this role is critical to how we scale support for our fastest-growing, highest-touch business unit. This is a full-time hybrid position based in New York. The expectation is for this individual to work from our Midtown Manhattan office 3 days per week. **Key Responsibilities:** - Serve as the primary HR point of contact for Petra's co-source and lift-out client teams, building trusted relationships with client-facing partners and each team's on-the-ground leadership - Own and administer bespoke policies and HR terms unique to each co-source and lift-out engagement, ensuring consistency with the underlying client agreement while staying aligned with Petra's broader HR framework - Manage and support the lift-out process end-to-end — pre-close diligence and planning, Day 1 transition and onboarding, and post-close integration — coordinating with Partnerships, Legal, and Payroll to ensure a clean handoff into Petra's HR infrastructure - Act as the go-to HR resource for the 40+ managers overseeing this population, fielding day-to-day questions, escalations, and policy exceptions specific to each engagement - Manage the full employee lifecycle for co-source/lift-out staff — onboarding, performance management, compensation, benefits, leave administration, offboarding — accounting for the specific terms of each client relationship - Track growth and utilization trends within this population and flag capacity or relationship-management risks to leadership before they become problems - Support performance-cycle execution and compensation planning for co-source/lift-out employees, coordinating between client expectations and Petra's internal processes - Maintain data integrity and reporting for this population across HRIS and other HR systems, ensuring accurate headcount, org, and compliance records per client engagement - Partner with the Senior Manager and broader People team on ad hoc strategic projects — benchmarking, headcount planning, and HR infrastructure — with a focus on scaling support as this segment continues to grow **What You'll Need:** - 3–5+ years in HR/People Operations, ideally within financial services, professional services, or another environment involving embedded, outsourced, or client-facing teams - Comfort managing multiple concurrent stakeholder relationships with distinct policies and terms — there's no single standard playbook here - Hands-on experience with HRIS and performance management platforms (e.g., Rippling, Lattice, or similar); strong Excel/data skills - Demonstrated ability to independently manage full-cycle programs and relationships with minimal oversight - Highly organized, with excellent attention to detail across a high volume of non-standardized, concurrent arrangements - Proven ability to navigate complex and fast-changing organizational structures - Clear, professional communicator, comfortable engaging with client-facing partners and senior leadership - Ability to professionally handle confidential information with discretion **Salary Range** At Petra Funds Group, we are committed to transparency and equity in our hiring practices. The compensation range for this position is $110,000 – $135,000 per year. This range represents the base salary only. Actual pay will depend on factors such as qualifications, experience, and skills. **How We Care** We believe people do their best work when they feel supported — personally and professionally. That’s why we offer a comprehensive benefits package that reflects our commitment to your well-being. Our perks include: - 90% covered medical, dental and vision insurance premiums to help you stay health without financial strain - Fully fu…