Human Resources & Payroll Assistant

Stmatthewcath; San Mateo (CA); On-site; USD 33,000 - 39,000; Part time

Job summary

St. Matthew Catholic Parish & School in San Mateo, CA seeks a part-time Human Resources & Payroll Assistant to provide HR and payroll support for both the Parish and School.

This onsite, non-exempt role is about 20 hours weekly with scheduling within school hours (roughly 7:30 a.m.–3:30 p.m.). Biweekly payroll processing, onboarding/offboarding, records management, benefits coordination, and HR compliance are the core tasks.

Qualifications

• Experience in administrative/office roles; HR or payroll experience is a plus but not required.
• College coursework in business, HR, or related field preferred but not required.
• Strong attention to detail and ability to follow multi-step administrative processes.
• Ability to handle confidential information with discretion.
• Excellent interpersonal and communication skills.
• Familiarity with Google Workspace and HR/payroll systems; willing to learn Paylocity.
• Interest in HR and payroll lifecycle administration.

Responsibilities

• Support biweekly payroll and timekeeping administration, including reviewing timecards, identifying missed punches or other discrepancies, following up on corrections, coordinating with supervisors, and assisting with payroll changes.
• Assist with employee onboarding and offboarding, including new hire paperwork, HRIS setup, background checks, LiveScan, TB clearance, required training and compliance documentation, separation paperwork, and required submissions to Archdiocese HR/Payroll.
• Maintain accurate employee information and confidential personnel records in Paylocity and HR files, including routine employee and employment-status changes and periodic audits.
• Assist with benefits administration, including enrollment materials, eligibility documentation, employee communications, and coordination with Archdiocese benefits representatives.
• Provide administrative support for employee leaves and workers' compensation matters, including distributing and collecting paperwork, tracking documentation and dates, and maintaining confidential records under HR guidance.
• Maintain HR compliance records and trackers, including required employee certifications, training, background clearances, and other recurring requirements.
• Provide administrative support for recruiting, including job postings, applicant correspondence, interview scheduling, and pre-employment documentation.
• Serve as a first point of contact for routine employee questions regarding payroll, timekeeping, benefits, and HR processes, escalating questions requiring HR interpretation or judgment.

Skills

Interpersonal communication

Attention to detail

Discretion & professionalism

Organizational skills

Problem solving

Teamwork

Education

Business/Human Resources coursework

Tools

Google Workspace

Paylocity HR/payroll

Job description

Human Resources & Payroll Assistant

St. Matthew Catholic Parish & School – San Mateo, CA

About St. Matthew Catholic Parish & School

St. Matthew Catholic Parish & School is a vibrant, mission-driven community serving parishioners, students, families, faculty, and staff in San Mateo. St. Matthew Catholic School serves a diverse community of more than 600 students from Kindergarten through 8th grade and is committed to educating students to a high standard in both academics and character.

Our Parish and School employees work collaboratively to create a welcoming and supportive community where students, families, parishioners, and staff can learn, grow, and thrive.

About the Position

St. Matthew Catholic Parish & School is seeking an organized, dependable, and detail-oriented Human Resources & Payroll Assistant to provide part-time administrative support for HR and payroll activities across both the Parish and School.

Working closely with St. Matthew leadership and our contracted Human Resources Consultant, this position supports biweekly payroll and timekeeping, employee onboarding and offboarding, personnel records, benefits administration, compliance tracking, recruiting, and other day-to-day HR activities.

This is a great opportunity for someone interested in developing hands-on experience in Human Resources and payroll while contributing to a mission-driven parish and school community. Previous HR or payroll experience is welcome, but not required. Training will be provided on St. Matthew and Archdiocese HR/payroll processes and systems.

Key Responsibilities

• Support biweekly payroll and timekeeping administration, including reviewing timecards, identifying missed punches or other discrepancies, following up on corrections, coordinating with supervisors, and assisting with payroll changes.
• Assist with employee onboarding and offboarding, including new hire paperwork, HRIS setup, background checks, LiveScan, TB clearance, required training and compliance documentation, separation paperwork, and required submissions to Archdiocese HR/Payroll.
• Maintain accurate employee information and confidential personnel records in Paylocity and HR files, including routine employee and employment-status changes and periodic audits.
• Assist with benefits administration, including enrollment materials, eligibility documentation, employee communications, and coordination with Archdiocese benefits representatives.
• Provide administrative support for employee leaves and workers' compensation matters, including distributing and collecting paperwork, tracking documentation and dates, and maintaining confidential records under HR guidance.
• Maintain HR compliance records and trackers, including required employee certifications, training, background clearances, and other recurring requirements.
• Provide administrative support for recruiting, including job postings, applicant correspondence, interview scheduling, and pre-employment documentation.
• Serve as a first point of contact for routine employee questions regarding payroll, timekeeping, benefits, and HR processes, escalating questions requiring HR interpretation or judgment.

Qualifications

• Administrative, office, or customer service experience preferred; HR or payroll experience is a plus but not required.
• College coursework in Business Administration, Human Resources, or a related field preferred but not required.
• Strong attention to detail and ability to learn and follow multi-step administrative processes, track deadlines, and follow up on outstanding items.
• Good judgment and willingness to ask questions or escalating issues when appropriate.
• Ability to handle confidential information with discretion and professionalism.
• Strong interpersonal and communication skills.
• Proficiency with Google Workspace and basic spreadsheet management and willingness to learn Paylocity and other HR/payroll systems.
• Interest in learning about Human Resources, employee lifecycle administration, and payroll.

Schedule & Compensation

This is a part-time, non-exempt/hourly, onsite position of approximately 20 hours per week.

Scheduling is flexible within the school's regular operating hours of approximately 7:30 a.m.–3:30 p.m.; however, regular availability is required to support established payroll processing deadlines every other Monday, and some afternoon availability is expected to provide HR/payroll support to instructional staff.

The anticipated pay range is $24.00–$28.00 per hour, depending on experience and qualifications.

Why Join St. Matthew?

This role offers an opportunity to become part of a welcoming Parish and School community while gaining practical experience across a broad range of Human Resources and payroll activities. You'll work alongside an experienced HR professional and St. Matthew leadership, with the opportunity to learn HR systems and processes while becoming a trusted resource for employees.