Shannon Brill
Mission,SD
Summary
Dynamic Administrative Assistant with proven expertise at RST TECRO in optimizing office operations and enhancing productivity. Skilled in Microsoft Office and adept at budget management, I excel in problem-solving and ensuring accuracy in record keeping. Recognized for effectively coordinating travel and managing supplies, contributing to seamless organizational efficiency.
Overview
27
27
years of professional experience
Work History
Administrative Assistant
RST TECRO
Rosebud , SD
06.2011 - 03.2025
- Handled incoming calls and directed callers to appropriate department or employee.
- Organized and maintained filing systems for physical and electronic documents, ensuring accuracy and confidentiality of records.
- Greeted visitors and provided general information about the company.
- Coordinated travel arrangements and completed expense reports for travel reimbursement.
- Used voice recorder or notepad to compose and transcribe meeting minutes.
- Organized files, developed spreadsheets, faxed reports and scanned documents, maintaining front desk and reception area in neat and organized fashion.
- Provided administrative support to the executive team, including scheduling meetings and managing calendars.
- Greeted visitors in a professional manner, responding to inquiries and directing them to appropriate personnel.
- Managed office supplies inventory and placed orders when necessary.
- Kept office equipment functional and supplies well-stocked to promote efficient operations.
- Updated system to organize office documentation, maximizing efficiency and increasing productivity.
- Entered data into spreadsheets using Microsoft Excel or other similar programs.
- Created travel arrangements and distributed travel details to appropriate personnel.
- Maintained office supplies inventory by checking stock to determine inventory level.
- Pleasantly welcomed visitors, answered phone calls, and maintained front reception desk.
- Managed daily office operations and maintained office supplies inventory, ensuring efficient workplace functionality.
- Ensured efficient operation of office equipment such as printers, copiers and fax machines.
- Composed letters, memos, reports, emails, presentations and other written correspondence as required by management staff.
- Executed on-time, under-budget projects by solving complex issues for senior leadership.
- Processed invoices for payment using accounting software applications.
- Demonstrated strong problem-solving skills, resolving issues efficiently and effectively.
- Completed day-to-day duties accurately and efficiently.
- Paid all the monthly bills, and created purchase orders for supplies and purchases.
- I made sure deposits were made, and I transferred funds when needed.
- Managed the program budget.
Domestic Violence Clerk
RST Tribal Court
Rosebud, SD
09.2010 - 12.2010
- Demonstrated strong problem-solving skills, resolving issues efficiently and effectively.
- Identified needs of customers promptly and efficiently.
- Provided excellent service and attention to customers when face-to-face or through phone conversations.
Project Assistant
RST Sicangu Resource Mgmt
Rosebud , SD
09.2009 - 09.2010
- Met schedule and deadlines by ensuring that work was completed efficiently.
- Organized and maintained project documents and records.
- Assisted Project Manager in preparing project plans, schedules, and budgets.
- Submitted budget estimates, progress reports and cost tracking reports.
- Assisted with coordination of daily activities for projects.
Contract Specialist
RST Contracting Office
Rosebud , SD
10.2007 - 10.2009
- Strengthened documentation traceability, developing organizational systems for contracts, records, reports and agendas.
- Assisted project managers to prepare and analyze budgets for status updating to clients.
- Participated in meetings with internal staff members to discuss upcoming procurements or ongoing projects.
- Provided guidance on contractual matters
- Negotiated, renegotiated and administered contracts
- Oversaw contract closeouts and addressed all issues prior to release of final payment.
- Maintained up-to-date knowledge of government procurement regulations and practices.
Administrative Assistant
RST Resource Development
Rosebud, SD
04.2000 - 08.2007
- Handled incoming calls and directed callers to appropriate department or employee.
- Greeted visitors and provided general information about the company.
- Coordinated travel arrangements and completed expense reports for travel reimbursement.
- Proofread content for typo-free emails and documentation.
- Organized files, developed spreadsheets, faxed reports and scanned documents, maintaining front desk and reception area in neat and organized fashion.
Secretary
RST MAP-21
ROSEBUD, SD
06.1998 - 08.2000
- Organized and maintained filing systems for important documents.
- Coordinated travel arrangements and completed expense reports for travel reimbursement.
- Assisted with accounts receivable and accounts payable functions.
- Performed data entry into computer systems; ensured accuracy of all entered information.
- Paid monthly bills and kept track of the budget
Education
Associate of Applied Science - General Secretary
Sinte Gleska University
Mission, SD08-2001
Associate of Applied Science - Medical Secretary
Sinte Gleska University
Mission, SD08-2001
18 Month General Secretarial Certificate -
Sinte Gleska University
Mission, SD08-1995
High School Diploma -
Todd County High School
Mission, SD05-1990
Skills
- Microsoft Office
- Data entry
- Calendar management
- Travel coordination
- Record keeping
- Office supply management
- Manage the Budget
- Manage the monthly bills and expenses
Affiliations
- 2011 - 2022 Antelope Community Secretary
- 2022 - present Antelope Community Treasurer
Timeline
Administrative Assistant
RST TECRO
06.2011 - 03.2025
Domestic Violence Clerk
RST Tribal Court
09.2010 - 12.2010
Project Assistant
RST Sicangu Resource Mgmt
09.2009 - 09.2010
Contract Specialist
RST Contracting Office
10.2007 - 10.2009
Administrative Assistant
RST Resource Development
04.2000 - 08.2007
Secretary
RST MAP-21
06.1998 - 08.2000
Associate of Applied Science - General Secretary
Sinte Gleska University
Associate of Applied Science - Medical Secretary
Sinte Gleska University
18 Month General Secretarial Certificate -
Sinte Gleska University
High School Diploma -
Todd County High School
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