Administrative Assistant/Senior Administrative Assistant

Nikkeia Daniels Gnimin

Administrative Assistant Scheduling & Records Office Operations

Bowie, MD 20715 202-***-**** *******@*****.***

PROFILE SUMMARY

Administrative Assistant with 10+ years of experience supporting Directors and executive leaders with complex calendar management, meeting scheduling, travel planning, expense report creation, presentations, records management, and office operations. Advanced user of Microsoft Outlook, PowerPoint, Excel, Teams, and Concur Expense. Proven ability to train staff, lead routine work processes, gather and summarize detailed information for leadership decisions, manage multiple competing demands, and identify process improvements.

CAREER HIGHLIGHTS

Administrative Support & Coordination: Streamlined admin workflows to cut processing delays by 20% and improve on-time task completion.

Process & Workflow Support: Provided front-line customer/internal support with 95% same-day response and clear escalation paths.

Procurement & Vendor Support: Processed and tracked 100+ POs/vendor transactions annually; resolved discrepancies to ensure on-time payment.

Budget & Expense Tracking: Maintained accurate cost center records and budget trackers with 100% data-entry accuracy.

CORE COMPETENCIES & TOOLS

Calendar & Meeting Coordination (Outlook, Teams, Zoom/Webex, Room/AV Setup)

Travel & Expense (Concur; E2/DTS)

Records & Document Control (SharePoint, OneDrive, Adobe Acrobat/PDF, DocuSign, E-filing)

Customer/Internal Support (Phone, Email, ServiceNow /Ticket routing)

Purchasing & Vendor Coordination (POs, Invoices)

Data Entry & Reporting (Excel; Airtable/Smartsheet)

HR (Workday, Onboarding/Access, Badging, Compliance & SOPs)

AI Tools (Claude, ChatGPT, Microsoft Pilot)

WORK EXPERIENCE

Administrative Assistant Cisco via Experis ManPower Remote Contractor (Jan 2024-Nov 2025)

Supported 5 Leaders (1 VP, 4 Directors) with a variety of administrative tasks, including complex calendar management, managing expense report creation, composing professional correspondence, travel coordination, and event planning.

Handled incoming communications, requests, and reports; assessed priority, significance, and appropriate routing to support timely leadership response.

Managed complex Outlook calendars across time zones; scheduled 100+ meetings/year with 98% on-time logistics and room/VC readiness.

Handled front-line phone/email triage averaging 50+ inquiries/week with 95% same-day response and clear documentation tracking in ServiceNow (or similar).

Processed travel and expenses in Concur with 0% compliance exceptions and 2-day average reimbursement turnaround.

Prepared and distributed agendas, minutes, and action logs; maintained SharePoint filing with version control and audit-ready structure.

Standardized onboarding SOPs and a cross-functional SharePoint/Workday checklist, cutting cycle time from 10 to 6 days and lifting week-one new-hire satisfaction to 4.8/5.

Maintained confidentiality and professionalism when handling sensitive scheduling, personnel, and business information.

Trained staff and led routine administrative work processes

Administrative Specialist Department of Homeland Security via OTHSolutions Remote Contractor (May 2022-Jan 2024)

Provided support to 4 Leaders (1 Presidential Appointee, 2 Directors, and 1 Deputy Director) with managing high-volume, complex calendaring across multiple global time zones, booked domestic and international travel and supported end-to-end expense reporting.

Triaged high-volume inbox and calls; routed inquiries with documented SLAs, improving first-response time by 25%.

Created and updated Excel/system trackers for budgets, POs, and action items; sustained 100% deadline visibility and reduced follow-up churn.

Maintained 1,000+ records to federal standards; passed audits with no findings.

Gathered, assimilated, and summarized detailed information from emails, trackers, and stakeholder updates to support leadership decisions and timely responses.

Coordinated visitor/badge access and mail/shipping; ensured accurate logs and timely distribution.

Led end-to-end onboarding for 80+ hires/year across HR/IT/Security, achieving 98–100% day-one readiness (accounts, badges, equipment) and reducing first-week support tickets by 25%.

Identified and recommended process improvements that reduced onboarding cycle time from 10 to 6 days.

Administrative Assistant (Part-time, Concurrent) SAP via BayOne Solutions Remote Contractor (Mar 2022-Feb 2023)

Provided support to 2 Directors and team with high-level administrative support, such as intricate calendar management, setting up meetings both internally and externally, and resolving disputes as they emerge

Provided daily operational support to senior leaders by prioritizing time-sensitive requests and completing tasks accurately and on schedule.

Handled multiple competing demands, scheduling conflicts, and sensitive issues with sound judgment in fast-paced executive support environments.

Coordinated 70+ meetings across APAC/EMEA/AMER; resolved conflicts and ensured stakeholder availability.

Processed 60+ POs/invoices; reconciled discrepancies to ensure on-time vendor payment and service continuity.

Produced 50+ PowerPoint decks/reports; standardized templates to cut prep time by 20%.

Office Assistant National Institutes of Health via Salient CRGT Remote Contractor (Aug 2021-Jan 2022)

Supported executive leadership including Director, Deputy Director, and Chief of Staff, managing complex calendars and high-level engagements

Coordinated 75+ leadership meetings, including interagency and high-level government briefings

Prepared executive briefing materials, talking points, and meeting summaries to support leadership participation in key discussions

Older Roles

Administrative Assistant Defense Health Agency via Emerge Solutions Group Falls Church, VA Contractor (Jul 2020-Aug 2021)

Coordinated DTS travel, meeting logistics, and minutes; ensured audit-ready documentation and continuity of operations.

Administrative Assistant Department of Veteran Affairs via RBCI Washington, DC Contractor (Sep 2019-July 2020)

Managed executive calendars and correspondence; tracked 100+ action items and supported CFO office priorities.

Administrative Assistant Food and Drug Administration via CNI Tech Servs, Brillient Corporation College Park, MD Contractor (Aug 2017-Sep 2019)

Coordinated international travel; managed timekeeping for 40+ staff and resolved payroll discrepancies.

Administrative Assistant Department of Energy via Northwind Solutions, LLC Washington, DC Contractor (Jun 2016-Jul 2017)

Scheduled high-volume meetings and supported procurement and contract documentation with regulatory compliance.

Program Management Specialist Department of Homeland Security via CTI Res Mgt, Zantech IT Washington, DC Contractor (Nov 2013-Jun 2016)

Managed case records and purchase orders; prioritized deadlines and supported interagency coordination.

Program Administrative Assistant Sibley Memorial Hospital Washington, DC (Feb 2011-Apr 2014)

Managed patient scheduling, EHR updates, onboarding files, and HIPAA-compliant documentation; account and contract support for organizational, partner, vendor, and agent stakeholders by resolving inquiries, managing contract modifications, and ensuring compliance with policies and procedures.

EDUCATION

University of Phoenix - BS, Business Administration (Completed) Phoenix, AZ

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