Weekly process end-to-end certified payroll for ~100 employees across 15–30 active government construction jobs, ensuring compliance with California Labor Law, prevailing wage standards, fringe benefits, DIR regulations, and union contribution requirements. Prepare, reconcile, and submit Certified Payroll Reports (CPRs), CAC, LCPTracker, union contribution reports, and payroll tax data in coordination with Finance and HR. Key Metrics: distribution of hours worked/certified by project, employee, and category. Labor costs. Payroll error rate per cycle. Redesigned the payroll control workflow from a single-day checks to a multiple-stage and day validation process starting at the novelties stage, enabling earlier error detection and reducing last-minute corrections. Streamlined payroll processing by automating key tasks using Python, VBA, and Excel, resulting in a significant reduction in processing time and improved efficiency.

Teaching Assistant for Payroll Management (Battistotti Chair) from 2018 to present. Developing Payroll Processing Manual (Course Material). Teaching Assistant in Technology Applied to Human Resources Management (Caputi Chair) from 2022 to present. University Extension Project Manager, Labor Advisory from 2020 to present. Course Instructor for HR Technology, Project Management, Time Management, Study & Learning Tools. Deliver instruction through hands-on problem-solving methodologies, student assessment, and instructional materials design. Lead Professor for Project Management subject.

Responsible for creating and maintaining the personnel structures database. Designed and consolidated a Certification Program, from policies to operational procedures, achieving 1,000 enrollments and revenue representing 50% of the department's total billing. Leveraged databases to create a dashboard that facilitated department management and results reporting to stakeholders.

Developed an end-to-end payroll process knowledge guide, enhancing operational efficiency. Implemented automation solutions to eliminate repetitive manual error-checking tasks, allowing focus on analysis and customer inquiries support. Managed comprehensive payroll processing including payroll updates, income tax withholdings (SICORE), social security contributions (SICOSS, SIAP, regulatory filings, DJNR), union contribution deductions, digital payroll registers, and accounting entries. Prepared employment certificates, compensation certifications (Article 80), and periodic payroll reports. Payroll ~600. CBA/MLA: Commerce 130/75, Insurance, Foodstuffs, TV & Audiovisual (SATTSAID), Press (UTPBA).

Digitalized and standardized all payroll processes, reducing manual work and processing time. Designed standardized spreadsheets and programmed macros to automate reporting and minimize data entry errors. Delivered training sessions for implementing the Attendance Control module and Event Management (CAS). Payroll processing for overtime, holiday premium pay, holidays, on-call shifts, and benefits; attendance bonuses and leave types (vacation, special leave, illness, accidents). Payroll ~1500. CBA/MLA: Healthcare (FATSA) 122/75, Sports and civil organizations (UTEDyC).

Improved payroll accuracy through the implementation of cross-checks controls, resulting in a significant reduction in complaints from 48% to 2%. Led the configuration, deployment, and rollout of the biometric time and attendance system. Managed attendance tracking, generated payroll change reports for validation, and monitored absenteeism, shrinkage, and productivity metrics. Payroll ~200. CBA/MLA: Teamsters 40/89.

Reduced turnover-related losses by redesigning the onboarding process and implementing pre-processing validation controls. Processed payroll, new hire onboarding, and accident/illness leave management. Administered temporary staff payroll and distributed pay statements. Managed banking transactions and prepared employment certifications. Payroll ~100. CBA/MLA: Commerce 130/75, Teamsters 40/89, Glass 180/91.