Payroll and HR Coordinator - Temporary

GreenWaste Recovery•San Jose, CA

17h•Onsite

About The Position

GreenWaste Recovery is hiring a full-time temporary Payroll and HR Coordinator to support our Human Resources team during a major HCM system implementation. This is a hands-on role for someone who enjoys detail-heavy, deadline-driven work and wants hands-on experience supporting a vibrant HR Department. The Coordinator will handle day-to-day payroll and HR transaction processing in our current system while also participating in the implementation of our new platform — including data validation, parallel testing, and process documentation. This is a temporary, full-time position expected to continue through April 30, 2027. Employment remains at-will, and the assignment may end earlier or be extended based on business needs.

Requirements

Demonstrated accuracy and attention to detail with high-volume data entry and the ability to meet firm, recurring deadlines
Experience assisting with recurring payroll cycles, including timekeeping review, payroll data entry, audits, corrections, and employee pay inquiries.
Intermediate Excel skills, including sorting, filtering, VLOOKUP or XLOOKUP, and pivot tables
Proven discretion in handling confidential employee information
Clear written and verbal communication skills and a service-oriented approach with employees at all levels
Two or more years of experience in payroll processing, HR administration, or a combined HR/payroll coordinator role
Working knowledge of California wage and hour requirements, including overtime, meal and rest periods, final pay timing, and itemized wage statement rules
Experience with an HRIS or payroll platform (ADP & UKG a plus); ability to learn new systems quickly
Associate's or Bachelor’s Degree in Human Resources, Business Administration, Accounting, or a related field, or equivalent experience
Proficiency in English

Nice To Haves

Experience supporting a payroll or HRIS system implementation, conversion, or parallel testing cycle, preferred
Experience in a multi-site environment with a significant hourly, field, or union workforce, preferred
Familiarity with timekeeping systems and labor allocation or job costing
FPC, CPP, aPHR, PHR, or SHRM-CP certification, preferred
Spanish language skill, a plus

Responsibilities

Assist in the processing of multi-site payroll for a mixed hourly and salaried workforce of approximately 1,000 employees on a weekly/biweekly cycle
Enter, audit, and verify payroll changes including new hires, terminations, rate changes, transfers, direct deposit updates, and tax withholding elections
Review timekeeping records for missing punches, unapproved overtime, meal and rest period discrepancies, and premium pay, partnering with supervisors on corrections before closing
Calculate and process retroactive pay, shift differentials, bonuses, final pay, and other off-cycle payments in accordance with California wage and hour requirements
Respond to employee payroll inquiries regarding pay statements, deductions, PTO balances, and withholdings
Process garnishments, child support orders, and other wage assignments
Support payroll reconciliation, funding confirmation, and post-payroll reporting
Provide HR Generalist support by responding to routine employee inquiries and serving as backup coverage for the HR inbox and HR phone line
Ensure compliance with all applicable employment laws and company policies
Assist with processing new hire, status change, and separation paperwork; maintain accuracy and completeness of employee records in the HRIS
Complete I-9 verification and E-Verify submissions within required timeframes
Complete employment and wage verifications, unemployment claim responses, and other third-party requests
Assist with routine compliance reporting and audit
Support data gathering, cleansing, and validation for the migration to the new HCM platform
Participate in parallel payroll testing, comparing legacy and new system output and documenting variances for resolution
Assist with user acceptance testing, configuration review, and issue tracking
Support employee and manager self-service rollout, including troubleshooting and first-line user questions
Attend implementation working sessions when needed and complete assigned project tasks on schedule
Other duties as assigned