Senior Human Resources Generalist

GMH Associates; Newtown Square (Delaware County); On-site; USD 70,000 - 90,000; Full time

Job summary

GMH Associates seeks a Senior Human Resources Generalist to support day-to-day HR operations onsite in Newtown Square, PA across multiple locations and business entities.

You will manage onboarding, employee changes, performance management, investigations, and leave administration while maintaining HRIS accuracy and compliance with federal, state, and local laws. The role requires hands-on ADP experience and strong communication, confidentiality, and analytical skills.

Qualifications

• Bachelor's degree in HR, business administration, or related field.
• 4–5 years of progressive HR experience, preferably as an HR Generalist.
• Hands-on experience with ADP Workforce Now and ADP Time and Attendance.

Responsibilities

• Support daily HR operations across multiple locations.
• Manage onboarding, changes, transfers, promotions, and separations.
• Maintain accurate employee records and HRIS data integrity.
• Advise managers on policies and HR practices.
• Develop and improve HR processes and procedures.
• Ensure confidentiality of sensitive information.
• Assist with workplace investigations and employee relations.
• Support payroll data review and timekeeping.
• Coordinate background checks and onboarding requirements.
• Assist with leave administration and compliance with laws.

Skills

HR operations

Employee relations

Payroll processes

Benefits administration

Communication skills

Organizational skills

Discretion / confidentiality

Analytical skills

Time management

Investigations

Education

Bachelor's degree in HR or related field

Tools

ADP Workforce Now

ADP Time and Attendance

HRIS

Microsoft Office

Form I-9

E-Verify

Job description

GMH Associates seeks a Senior Human Resources Generalist to support day-to-day HR operations onsite in Newtown Square, PA across multiple locations and business entities.

Responsibilities

• Support daily HR operations across multiple locations and business entities.
• Manage employee lifecycle activities including onboarding, employee changes, transfers, promotions, and separations.
• Maintain accurate employee records and ensure HRIS data integrity.
• Advise managers and team members on company policies, procedures, and HR practices.
• Assist with developing, implementing, and improving HR processes and procedures.
• Identify opportunities to streamline workflows and improve operational efficiency.
• Handle sensitive employee and company information with strict confidentiality.
• Serve as a resource for employee relations topics, including guidance to managers and team members.
• Assist with workplace investigations, employee complaints, and conflict resolution.
• Support performance management, coaching, and progressive disciplinary procedures.
• Prepare and review employee documentation including written warnings, performance improvement plans, and separation documentation.
• Support consistent application of company policies and employment practices; elevate complex or sensitive matters to HR leadership as appropriate.
• Use ADP Workforce Now to maintain employee records, process personnel changes, and support HR operations.
• Administer and troubleshoot ADP Time and Attendance, including timecard discrepancies, schedules, missed punches, and approval workflows.
• Partner with managers to ensure timely and accurate submission and approval of employee timecards.
• Review HRIS and timekeeping data for accuracy and compliance with company policies.
• Generate and analyze HR and payroll reports using ADP Workforce Now.
• Support payroll preparation by reviewing employee data, pay changes, and timekeeping information.
• Partner with HR Generalist to ensure accurate and timely processing of employee information; assist with reviewing payroll discrepancies, compensation changes, and employee deductions.
• Support benefits administration including new hire enrollments, qualifying life events, open enrollment, and employee inquiries.
• Assist with leave administration including FMLA, ADA accommodations, and applicable state leave requirements.
• Coordinate with internal departments and external vendors to resolve HR, payroll, and benefits-related issues.
• Ensure employee information is accurately maintained across HR, payroll, and benefits systems.
• Maintain working knowledge of federal, state, and local employment laws and regulations.
• Ensure compliance with Form I-9 requirements, E-Verify procedures, and employee documentation standards.
• Support compliance with wage and hour laws, leave requirements, and employment regulations.
• Assist with maintaining and updating employee handbook policies and HR procedures.
• Support HR audits, reporting requirements, and compliance initiatives; stay informed of employment law changes and recommend updates to HR practices as needed.
• Partner with hiring managers on recruitment and staffing needs, including job postings, applicant tracking, interview coordination, and offer preparation.
• Coordinate background checks, pre-employment screening, and onboarding requirements.
• Ensure new hires complete required employment documentation within established deadlines and support a consistent onboarding experience.

Requirements

• Bachelor's degree in Human Resources, Business Administration, or related field preferred; or equivalent professional experience.
• Minimum 4-5 years of progressive Human Resources experience, preferably in an HR Generalist capacity.
• Hands-on experience with ADP Workforce Now.
• Hands-on experience with ADP Time and Attendance.
• Strong understanding of HR operations, employee relations, payroll processes, and benefits administration.
• Working knowledge of federal and state employment laws and HR compliance requirements.
• Experience supporting managers with employee relations, performance management, and disciplinary matters.
• Strong proficiency in Microsoft Office (especially Excel, Word, Outlook).
• Excellent written and verbal communication skills.
• Strong organizational skills with ability to manage multiple priorities and deadlines.
• Ability to work independently, exercise discretion, and maintain strict confidentiality.
• Strong analytical and problem-solving abilities with exceptional attention to detail.
• Experience supporting workplace investigations and employee relations matters.
• Familiarity with benefits administration, leave management, and employment compliance.
• Experience with ADP reporting, payroll audits, and HRIS process improvements.

Technologies

• ADP Workforce Now
• ADP Time and Attendance
• HRIS
• Form I-9
• E-Verify
• Microsoft Office (Excel, Word, Outlook)
• FMLA
• ADA

Preferred Qualifications

• SHRM-CP, SHRM-SCP, PHR, or SPHR certification.
• Experience supporting employees across multiple states and business locations.

Physical Demands

• Ability to perform prolonged periods of sitting and working at a computer.
• Frequent use of a keyboard, mouse, telephone, and other standard office equipment.
• Ability to communicate effectively in person, by telephone, and through electronic communication.
• Occasionally required to stand, walk, bend, and reach.
• May occasionally lift or move office materials up to 20 pounds.
• Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions of the position.