Human Resources Manager - Part Time

Part-Time HR Manager – People Operations | Nassau County, NY | 3 Days/Week | On-Site A privately held commercial real estate development, construction and management company with a portfolio predominately in Metro New York with a team of ~50 people operating under multiple entity structures seeks Part Time HR Manager.

The Role We're looking for a capable, people-first HR Manager to join us on a part-time basis (3 days/week, on-site in Nassau County). Reporting directly to the CFO, you'll own day-to-day HR operations, serve as the liaison to our outside payroll provider, and be the internal champion for manager development and employee engagement.

This is a hands-on role — you'll be the sole HR professional and a trusted resource for both leadership and staff.

What You'll Do

Payroll & Vendor Management Serve as the primary internal contact for outside payroll company and outsourced international labor provider Review and approve payroll inputs, ensure accuracy across multiple entities and EINs Manage payroll calendar, coordinate with finance/CFO on reporting and reconciliation Troubleshoot employee payroll questions and resolve discrepancies Manager Training & Development Design and deliver practical manager training on topics including performance conversations, documentation, conflict resolution, and legal compliance Build a simple, repeatable onboarding experience for new managers and team members Coach frontline and mid-level managers on employee relations situations as they arise Partner with leadership on goal-setting frameworks and annual review cycles Support management team through compensation planning — raises, bonuses, and pay-equity reviews Guide managers on performance improvement plans and documentation Coach frontline and mid-level managers on employee relations situations as they arise Team Building, Engagement & Culture Plan and execute team engagement initiatives — recognition programs, staff events, internal communications Help build a cohesive culture across a workforce in the NY Metro area across multiple offices - in person.

Gather employee feedback and surface themes to leadership Our team works across multiple properties and offices, so building connection requires intentionality General HR Operations (managed in coordination with our 3rd party payroll and benefits provider) Maintain employee records, I-9s, personnel files across all entities Manage onboarding and offboarding processes end-to-end Administer PTO, leaves of absence, and attendance tracking Partner with our third-party payroll and benefits provider to ensure compliance with New York State, New York City, and other applicable employment laws across the full employee lifecycle Onboarding and recruiting Support job postings and interview coordination for open roles as needed Screen Candidates as needed What We're Looking For 5–8 years of HR generalist or HR manager experience; real estate, construction, or multi-site/multi-entity background a strong plus Hands-on experience managing or coordinating with an outside payroll vendor (ADP, Paychex, Gusto, or similar) Proven ability to facilitate manager training and team-building programs — not just design them Experience running performance management cycles — goal setting, reviews, promotion and compensation decisions Strong knowledge of New York State employment law and multi-entity compliance Comfortable as a department of one — self-directed, organized, and practical PHR, SHRM-CP, or equivalent a plus but not required Proficiency in HRIS and payroll platforms Excellent communication and organization skills - fully proficient with Microsoft Office Available as needed during off-days compensation is based of part time employment benefits vary