Administrative Assistant- Payroll Support

Position Overview

We are seeking a reliable and detail-oriented Part-Time Administrative Assistant to support daily office operations in our El Cajon, California location. This role will play a key part in supporting payroll processes, performing accurate data entry, and managing office supply ordering. The ideal candidate is highly organized, comfortable working with numbers, and proficient in Microsoft Office—especially Excel.

• Provide administrative support to office and operations teams

• Assist with payroll support activities, including data collection, time entry verification, and reporting

• Perform accurate data entry and maintain organized digital and paper records

• Create, update, and manage spreadsheets and reports in Microsoft Excel

• Order office and operational supplies and track inventory as needed

• Assist with filing, document management, and general office organization

• Communicate with internal team members to support administrative needs

• Perform other administrative duties as assigned

• High school diploma or equivalent required; additional education or administrative training a plus

• Prior administrative or office support experience preferred

• Strong proficiency in Microsoft Office, with an emphasis on Excel (spreadsheets, formulas, data tracking)

• High attention to detail and accuracy, particularly with data and payroll-related tasks

• Strong organizational and time management skills

• Ability to work independently and manage multiple tasks

• Reliable, punctual, and professional

• Part-time position, averaging 15–25 hours per week

• On-site role based in El Cajon, CA

• Flexible scheduling may be available based on business needs