Mariana Rios-Cerda
Milwaukee,WI
Summary
Bilingual Human Resources and Administrative Assistant supporting onboarding, Form I-9 compliance, payroll tasks, and employee file management. Known for clear client communication, strong organization, and steady support across HR and daily operations. Additional experience in contract review, employee relations, and social media coordination.
Overview
5
5
years of professional experience
Work History
HR & Administrative Assistant
Regency Janitorial Services
02.2026 - Current
- Coordinated new hire onboarding processes, enhancing team integration and employee retention.
- Review documents and complete Form I-9 compliance checks.
- Managed social media channels and fostered employee relations to strengthen workforce satisfaction.
- Reviewed business contracts and served as primary client contact to ensure quality service delivery.
Administrator
Mexisips
06.2025 - Current
- Managed inventory and vendor relations to maintain timely restocking and optimize cost control.
- Oversaw daily operations, coordinating transportation of mobile bar units and managing supply inventory.
- Train and supervise bartending staff to maintain service standards and operational efficiency.
- Prepare and serve custom beverages for events, ensuring quality and customer satisfaction.
Sales & Financing Associate
Bob's Discount Furniture
01.2024 - 08.2024
- Achieved and surpassed individual sales targets by leveraging product knowledge and fostering strong client relationships.
- Advised clients on financing options, credit building, and payment structures to enhance financial literacy and decision-making.
- Processed customer orders through point-of-sale and financing systems.
- Assisted guests with showroom selection and Bob's Discount Furniture product knowledge.
- Coordinated delivery scheduling and updated customers on order status.
Administrative & HR Intern
St. Camillus
08.2022 - 06.2023
- Facilitated recruitment initiatives by sourcing candidates and coordinating interviews. for nursing, dietary, and support roles.
- Supported onboarding for St. Camillus staff across senior care departments.
- Supported HR team by managing employee filings, documentation, and compliance processes.
- Reviewed employee files for St. Camillus HR compliance and accuracy.
- Guided clients through billing and invoicing procedures to ensure accurate financial transactions while assisting with therapy activity planning.
Ambulatory Administrative Intern
Children's Hospital
08.2021 - 06.2022
- Coordinated interdepartmental communication, scheduling, and documentation to support daily administrative operations and ensure compliance with hospital health and safety standards.
- Maintained organized workflows and monitored adherence to safety protocols, contributing to a professional and efficient environment while prioritizing patient and employee well-being.
- Supported pediatric clinic staff with scheduling, phones, and front desk coverage.
- Updated patient records and files following Children’s Hospital privacy procedures.
- Entered referral data and appointment details into hospital systems.
Education
Bachelor of Science - Economics
Kansas State University
Manhattan, KS06-2029
High School Diploma -
Carmen Schools of Science And Technology, Southeast
Milwaukee, WI06-2025
Skills
- Administrative & HR: Form I-9 Compliance, Onboarding, File Management, Inventory Management
- Employee onboarding
- Payroll processing
- Technical: Employee Engagement, Invoicing Support, Order Administration
- Microsoft Excel
- Contract support
- Client relations
- Bilingual in English and Spanish
Timeline
HR & Administrative Assistant
Regency Janitorial Services
02.2026 - Current
Administrator
Mexisips
06.2025 - Current
Sales & Financing Associate
Bob's Discount Furniture
01.2024 - 08.2024
Administrative & HR Intern
St. Camillus
08.2022 - 06.2023
Ambulatory Administrative Intern
Children's Hospital
08.2021 - 06.2022
Bachelor of Science - Economics
Kansas State University
High School Diploma -
Carmen Schools of Science And Technology, Southeast