R. Sierra | 2249 N Apache Blvd, Nogales, AZ. 85621 | Mobile (520) 223-8051 | SIERRALX@GMAIL.COM                                                           2-2

Rene Sierra
Bachelor of Science in Business Administration (BSBA) - UVMee.jpg

A professional with a unique combination of business experience and technical skills, with the ability to multi-task and adapt to accomplish any mission assigned. Dependable at working as an individual or in team environments. Highly qualified, tenacious, and a well accomplished multi-skilled professional armed with over ten years’ experience in the information technology environment. As a proven IT administrator, cannot only help unlock a company full potential but can also provide leadership to fellow teammates. Primarily striving to understand clients’ needs and provide them exceptional results through a cognitively flexible and positive approach. Determined to implement earned skills and knowledge for the rapid growth of the prospective organization by working effectively and consistently.


  • Speak, read, and write Spanish.
  • Able to improve any process with the latest technology.
  • Data Analysis and Design.
  • Quality Control.
  • Expert level skills in HTML, JavaScript, and CSS (including the latest standards).
  • Cost Consultant and Strategic planning.
  • Excellent communication, research, and analytical capabilities.
  • Technology awareness.
  • Extensive experience with Virtual Machines (Bootcamp, VMware, and Hyper-V).
  • Team building and strategic thinking.
  • Mobile Devices Management (MDM).
  • Cisco System Manager


A7, LLC IT Manager


·  Extensive experience in web metrics management and marketing using Google Analytics/AdWords
·  Maintain all local software and hardware licensing to ensure conformance.
·  Maintain server, upgrade, and secure system backups and disaster recovery preparation.
·  Manage the entire purchase of inventory related to hardware, software, and other IT supplies.
·  Experience in VOIP, DNS Management, Domains, and Server Management.
·  Setup of CloudFlare CDN Hosting for Superior Site Performance on all Dedicated Servers.
·  Maintain the IT Asset Management System ensuring that all assets are recorded and updated.

Wholesum Farms Arizona, LLC Staff Accountant


·  Purchasing - Make purchase orders and send it to suppliers to ensure that the product arrives on time—
 Payroll - Responsible for the processing of Payroll of the whole company.
·  Transmit payroll on-line to ADP Payroll Services‎ for the payroll process; taxes, payroll deductions, salaries, direct deposits, and bonuses.
·  Accounts Payables - Enter all expenses on system evaluating charges with proper classification and applying them to the correct accounts. Advise management on proper and timely payments.
·  Accounts Receivables - Enter all payments on the system. Tracking sales for the company.
·  Inventory - Give input and output to material purchase orders into the system.
·  Protect organization’s value by keeping information confidential.

Buynow Mexico, S de RL de CV Operations

MARCH 2013 - APRIL 2015

·  Effectively lead the Payroll, AP & AR, and Inventory Management.
·  Capable of developing new strategies for Customer Retention.
·  Paperless business processes implementation. Cost savings: $10,000 USD/year.
·  Developed Sales and marketing strategies to maximize Brand Positioning.
·  Effectively handled the tasks of conducting inventories through recent technologies.
·  Capable of developing new strategies for Customer Retention.

Lagsier Group Operations Assistant
FEB 2007 - JAN 2011

·  Led, Managed, and supervised the attainment of a D-U-N-S number, Provided by Dun & Bradstreet.
·  Identify clients’ monetary and economic needs, and offer recommendations to meet their financial goals.
·  Developed Sales and marketing strategies to maximize Brand Positioning.
·  Created marketing and sales scripts to standardize customer contacting procedures.
·  Established lead tracking and lead contacting procedures.


Universidad del Valle de México
Bachelor of Science in Business Administration (BSBA)

University of Arizona CESL Program


Google Individual Qualification                                                                                               2010
Cisco Network CCNA Certification                                                                                          2013
Harvard ManageMentor                                                                                                              2013
QuickBooks Online Certification.                                                                                             2015


Kiwanis International  Human Rights                                                                2007-2011


Cloud Apps, Cisco Manager, Microsoft Office, Server Management, SQL, Priva FS Performance, Google Apps, Adobe CS, Mac OS X, iOS, iWork, VPN, VNC Connections, QuickBooks Desktop/Online, QuickBooks Payroll, Stripe, ADP, ADP Workforce...