Diana Rivas
Alexandria,VA
Summary
Detail-oriented Administrative and HR professional with 8+ years of experience supporting HR, Operations, Finance, and leadership in organizations of 40-100+ employees. Experienced in employee records management, payroll and benefit documentation, onboarding/offboarding, compliance tracking, and process improvement. Known for maintaining confidentiality, ensuring accuracy, and driving operational efficiency to support leadership and organizational goals.
Overview
8
8
years of professional experience
Work History
Office Manager/ Customer Service Coordinator
The IDI Group Companies
04.2020 - 12.2025
- Served as a primary administrative support partner to leadership, Operations, Finance, and HR, ensuring accurate execution of daily, biweekly, and annual administrative processes.
- Maintained and updated Word documents and Excel spreadsheets related to employee records, operational tracking, and compliance documentation.
- Coordinated scheduling, meeting preparation, and documentation for leadership and internal stakeholders.
- Executed expense tracking and administrative workflows with full ownership, accuracy, and audit readiness.
- Drafted internal documentation and maintained records requiring close attention to detail and confidentiality.
- Acted as a central point of contact for employees, executives, and external partners, ensuring timely follow-up and resolution of pending items.
- Key Achievements:
- Improved documentation and workflow processes, reducing processing time by 15%.
- Coordinated, tracked, and audited records for 100+ operational and service activities, with high accuracy and compliance.
- Resolved 90%+ of inquiries within established timelines, strengthening trust and operational reliability.
Operations Manager
Shake Shack
08.2017 - 04.2020
- Supported daily operations for a 40+ employee workforce, partnering closely with leadership on staffing, scheduling, and compliance.
- Assisted with employee onboarding and offboarding, including documentation, scheduling, and policy adherence.
- Supported workforce planning, attendance tracking, and administrative follow-up on employee-related matters.
- Maintained accurate personnel files and handled sensitive employee data with confidentiality.
- Ensured compliance with internal procedures and operational standards.
- Key Achievements:
- Maintained 95%+ customer satisfaction through strong operational oversight.
- Selected as one of four managers to attend a Leadership Summit with the CEO based on performance and reliability.
- Recognized as “MVP Manager of the DMV” for exceptional leadership and operational excellence.
Education
Bachelor’s Degree - Business Administration
Virginia Commonwealth University
05.2017
Skills
- Administrative Operations & HR
- Employee Onboarding & Offboarding
- Payroll & Benefits Documentation (ADP/ 401K/ Health Insurance exposure)
- Confidential Records Management
- Compliance & Documentation Auditing
- Microsoft Office (Word, Excel)
- Meeting Coordination & Minutes
- Process Improvement
Timeline
Office Manager/ Customer Service Coordinator
The IDI Group Companies
04.2020 - 12.2025
Operations Manager
Shake Shack
08.2017 - 04.2020
Bachelor’s Degree - Business Administration
Virginia Commonwealth University