Juanito Mendoza

I have more than 10 years of working experience in computer, network and systems. I am hardworking and have attention to detail.

Amazon                                                                                    (07/2022 – Present)

Computer Systems Administrator

Identifying root-causes of operational issues and process inefficiencies

Experienced in Active Directory and Linux administration to manage user accounts, permission, control and monitor access.

Experienced in Linux computer security protocols by installing patches

Experienced in installing Linux OS from ground up and maintenance.

Write disaster recovery plan for unwanted events and writing security plans and execute implementation.

Executed tabletop exercises according to disaster recovery plan

Filed/resolved tickets for issues encountered

Verification of defects for resolution 

Experienced in customer support role to include a focus on listening, rapport-building, good communication skills, courtesy and patience.

Effective interpersonal and verbal and written communication skills, with the ability to interact with customers and team members.

Experienced in utilizing tools and utilities

Documented actions taken on resolved issues at customers

Experienced in leading projects assigned which includes collaboration with internal and external team.

Update and resolve system requests/tickets ensuring timely resolution of issues 

Experienced in filing trouble ticket using Simple Issue Manager

United Parcel Service,                                                                                     (09/2020 – 06/2022)

Network Administrator

Setup and configuration of Windows Server 2008/2012/2016

Managed user accounts in Windows 2008/2012/2016, i.e., creation, deletion and permission.

Performed cross platform audit of Active Directory objects and user permission

Configuration of TCP/IP settings on network and troubleshooting TCP/IP issues

Troubleshooting, diagnosing and resolving hardware and software for both server and desktop issues

Experienced in PC repair, troubleshooting, deployment, and liquidation.

Experienced in client, server, and network service delivery.

Experienced in network engineering and troubleshooting, data cabling and systems administration

Ensuring infrastructure networking and computing systems remain available during production hours.

Interacting with management and staff to provide analytical and technical assistance for continuous improvement of IT solutions.

Managing local technical projects.

Identifying root-causes of operational issues and process inefficiencies.

Setup and installation of Dell R740 VSRV to assigned location.

Rack and stack of Dell R740 VSRV.

Install assigned ethernet port at customer switch.

Power up servers, run diagnostics and install OS updates and patches

Decommissioning of old servers and NAS.

Conducted installation and administration of Linux client/server (Ubuntu).

Experienced in setup, configuration and troubleshooting of Cisco switches and routers. Knowledge with VLAN switching as well.

Working experience of Cisco 3k, 4k and 9k platforms

Experienced in configuring routing protocols such as BGP, OSPF

Maintained and configured VOIP switches and IP phone

Experienced in setup, configuration and troubleshooting of Cisco Wireless Network Equipment. Experienced with Cisco IOS upgrade and ROMMON

Working knowledge of WAN principles, wiring and cabling methods

Experienced in installation, configuration and troubleshooting of network equipment in IDF/MDF panels

Performed system upgrade, OS patches and preventive maintenance as needed.

Documented actions taken on customer resolved issues

Perform staging of desktops/laptops and servers using Windows Provisioning System

Coordinated user permissions and network access

Provide network support and assist in projects (new implementations and decommissions)

BS in Electronics and Communications Engineering