Magda Cosio

Experienced administrative and operations professional with expertise in invoicing, accounts payable and receivable, payroll processing, staffing coordination, employee training, collections, and office administration. Skilled in processing payroll for more than 100 employees, maintaining accurate records, preparing reports, resolving discrepancies, and supporting program operations.

Invoicing Specialist – Weatherization & LIHEP Programs - Merced Community Action Agency - Merced, CA

(2026-04)

• Prepare and process invoices for the Weatherization and LIHEP programs.
• Review invoices and supporting documentation for accuracy and completeness.
• Maintain organized invoicing records and program-related financial documentation.
• Track invoices and assist with resolving billing discrepancies.
• Support program operations by maintaining accurate records and meeting documentation requirements.
• Communicate with team members to help ensure timely invoice processing.

On-Site Manager / Staffing Coordinator - First Step Staffing - South Gate, CA

(2025-03 - 2026-03)

• Processed payroll for more than 100 employees, maintaining accurate timekeeping and payroll records.
• Coordinated employee scheduling, attendance tracking, and daily staffing operations.
• Trained employees on workplace procedures, company policies, and job expectations.
• Prepared incident reports and documented workplace incidents.
• Monitored employee attendance and followed up on discrepancies.
• Coordinated communication among employees, supervisors, and management.
• Maintained personnel, timekeeping, and operational records.
• Used Indeed Flex, Ontrak, ADP, and NovaTime for staffing, scheduling, and payroll-related tasks.

Accounts Receivable / Accounts Payable Clerk - The Delivery People - Hawthorne, CA

(2024-01 - 2025-07)

• Processed and tracked incoming and outgoing invoices.
• Managed accounts payable and accounts receivable transactions.
• Maintained accurate financial documentation and reports.
• Communicated with vendors and clients to resolve billing issues.
• Assisted with monthly reconciliations and financial reporting.

Funding Department Team Lead / Retention & Collections Lead - Skyline Security Management - Downey, CA

(2015-02 - 2023-12)

• Managed delinquent and aged accounts while exceeding monthly collection goals.
• Negotiated payment arrangements and resolved account disputes.
• Supervised and trained a team of seven employees.
• Conducted credit checks using TransUnion.
• Prepared management reports regarding account status and team performance.
• Monitored collection activities and supported departmental goals.

Front Office Receptionist - Sopp Chevrolet - Bell, CA

(2008-12 - 2015-01)

• Managed front desk operations and high-volume telephone calls.
• Scheduled meetings and supported management with administrative tasks.
• Maintained organized filing systems for contracts and credit applications.
• Assisted customers and directed inquiries to the appropriate departments.

Front Desk Receptionist - Power Ford - Torrance, CA

(2005-10 - 2008-12)

• Directed incoming calls and assisted customers with inquiries.
• Created daily department reports.
• Managed email communications, scheduling, and general administrative tasks.
• Maintained organized records and supported daily office operations.

High School Diploma - Bell Gardens High School