Human Resources Manager - Part Time

Job Description
Job Description
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