HR Assistant - Part-Time

At Community Mainstreaming, our mission is to support individuals with developmental disabilities in living fulfilling, independent lives. Through our comprehensive services, we promote inclusion and empower those we serve to thrive within their communities. We are driven by compassion, innovation, and a strong commitment to making a difference.

Learn more about our impactful work at www.communitymainstreaming.org Position Summary The Human Resources Assistant supports the Human Resources department by coordinating benefits administration, payroll-related data entry, and employee record maintenance. This position requires strong attention to detail, confidentiality, accuracy, and responsive communication with employees, managers, benefit providers, and payroll partners.

Essential Duties and Responsibilities

Process benefits enrollments for newly eligible employees. Review monthly payroll deductions for accuracy and resolve discrepancies in a timely manner. Review and submit monthly billing for all health and welfare benefits Assist employees with enrollment in medical, dental, vision, and life insurance plans. Provide new hires with benefits information, enrollment instructions, and required follow-up support.

Respond to employee questions regarding benefits eligibility, enrollment deadlines, coverage changes, and related procedures. Communicate with benefits administrators and insurance providers to resolve employee issues. Support open enrollment activities, including employee reminders, enrollment tracking, and documentation.

Terminate employee benefits when employees become ineligible and coordinate COBRA enrollment when applicable. Follow up with benefit-eligible employees prior to enrollment deadlines. Maintain employee benefit profiles and ensure benefit records remain accurate and current. Assist employees with adding or updating beneficiaries and dependents.

Add, update, or terminate employee benefit deductions in ADP as needed. Coordinate employee communications and documentation related to workers’ compensation claims, FMLA leave, and New York State Short-Term Disability. Payroll Enter new hires, terminations, status changes, salary changes, and approved personnel updates into ADP.

Ensure benefit payroll deductions are entered accurately and on time. Update employee salary information, PTO assignments, compensation changes, and manager assignments as approved. Run reports as needed and verify the accuracy of employee profiles and benefit enrollment information. Ensure employee status and PTO assignments align with current employment classification and organizational records Qualifications Education and Experience Associate degree in Human Resources, or a related field preferred; equivalent education and relevant experience may be considered.

One to two years of administrative or human resources experience preferred. Experience working with HRIS or payroll systems is an advantage. Knowledge, Skills, and Abilities Strong organizational skills and attention to detail. Excellent written and verbal communication skills. Proficiency in Microsoft Office, particularly Word and Excel.

Ability to learn and navigate HRIS, applicant tracking, and benefits administration systems. Strong customer service and interpersonal skills. Ability to handle sensitive information with discretion and maintain strict confidentiality. Professional judgment and a commitment to accuracy, accountability, and ethical conduct.

Work Location: Westbury, NY (Nassau County) Work Hours/Schedule: Part-time, Monday – Friday, 10 AM – 2 PM Community Mainstreaming Associates is an equal opportunity employer.