Payroll Coordinator; Foster

Benefits and Payroll Coordinator (Foster City)

Foster City, California

About Mid Pen

At Mid Pen, we build communities that change lives. Since 1970, we have been committed to our mission: to provide safe, affordable housing of high quality to those in need; establish stability and opportunity in the lives of residents; and foster diverse communities that allow people from all ethnic, social, and economic backgrounds to live in dignity, harmony, and mutual respect.

We develop affordable housing, provide professional property management for all our communities, and coordinate robust onsite support programs that help residents thrive. We are active in 12 Northern California counties and have earned recognition as one of the nation’s leading non-profit developers and stewards of affordable housing. Our current portfolio of more than 130 properties is home to 20,000 working families, seniors, and people with special needs.

We take pride in delivering affordable housing solutions, and we invite you to join us on a journey toward social, economic, and racial equity.

Mid Pen is, once again, proud to be certified as an official Great Place to Work® in 2025.

Location: Foster City Office

Benefits and Payroll Coordinator

Under the supervision of the Benefits and Wellness Manager, the Benefits and Payroll Coordinator provides administrative and operational support for benefits administration and payroll processing. This detail‑oriented role supports a fast‑paced nonprofit environment and collaborates closely with the Benefits and Wellness Manager and Senior Payroll Administrator to ensure accurate, timely benefits and payroll administration using ADP.

• Administer employee benefits and leave programs, managing enrollments, changes, terminations, and compliance across medical, retirement, FMLA, CFRA, ADA, and related policies.
• Maintain accurate benefits and leave data in ADP/HRIS; coordinate with vendors, reconcile monthly and quarterly reports, and support audits to ensure data integrity.
• Serve as a point of contact for employees and managers by resolving benefits and leave inquiries, guiding documentation requirements, and tracking timelines.

• Verify, code, and enter employee timesheets (regular, overtime, vacation, sick, and holiday) into ADP with accuracy and attention to detail; assist with bi‑weekly payroll transmission and manual check processing.
• Reconcile payroll and deduction reports, process 403(b) file uploads, and ensure payroll data integrity across systems.
• Prepare and complete employment verifications and respond to payroll‑related requests in a timely manner.

• HRIS Administration & Data Integrity:
  Accurately enter and maintain new hire and employee change data in the HRIS, ensuring timely updates, data integrity, and strict confidentiality of sensitive employee information.
• Employee Support & Team
  
  Collaboration:
  
  Serve as a point of contact for payroll and benefits inquiries, collaborate with HR partners on departmental initiatives, and support additional projects as assigned by People Team leadership.

• 4-6 years of progressive experience in benefits and payroll administration, with demonstrated experience in both functions.
• Strong knowledge of payroll and labor laws, wage and hour regulations, and garnishments.
• Working knowledge of employee benefits programs and leave of absence administration (FMLA, CFRA, PDL, ADA).
• Proficiency with ADP Workforce Now or similar HRIS/payroll systems required.
• Advanced proficiency in Microsoft Excel and Word.
• Excellent written and oral communication skills.
• Highly organized with exceptional attention to detail and accuracy.
• Ability to handle confidential information with discretion and professionalism.
• Strong customer service orientation with ability to respond to employee inquiries in a timely and professional manner.
• Ability to manage multiple priorities and meet deadlines in a fast‑paced environment.
• Experience in nonprofit or mission‑driven organizations preferred.

• Mission alignment and commitment to Mid Pen's values of Integrity, Collaboration,…