This document contains Roberto Barajas' resume. It summarizes his work experience as a system administrator and IT support professional over the past decade. He has extensive experience working with Windows servers, Exchange servers, virtualization software, networking equipment, desktop OSes, and other common enterprise technologies. His most recent role was as a System Administrator II at InVision Technology Solutions where he provided desktop and server maintenance support for over 100 clients.

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Roberto Barajas
(602)559-6671
roberto.barajas23@gmail.com
________________________________________________________________________________________
Professional Experience
InVision Technology Solutions
System Administrator II (Feb 2014 - Current)
Member of System engineer team, responsible for desktop and server maintenance.
Primary point of contact for multiple clients, responsible for maintaining close relationship and
assisting with all IT needs.
· Server 2008 R2 - 2012 R2 maintenance, troubleshooting and monitoring
· Exchange 2010 - Office 365 maintenance and troubleshooting
· Windows XP - 8 installation, configuration and maintenance
· Office 2010 - 2013/365 installation, configuration and troubleshooting
· Active directory administration
· Digium Phone system configuration planning and deployment
· Basic Cisco Firewall/Switch configuration and troubleshooting
· Cisco UC phone system administration and user configuration.
· Desktop, phone and user configuration and setup.
· Wireless Access point configuration and installation
· Windows Server backup, configuration and troubleshooting.
· Printer/Fax configuration, maintenance and troubleshooting.
· Remote/Onsite Desktop/Helpdesk support for over 100 Clients
· Office 2010/2013 installation troubleshooting
· Windows7, 8 installation and troubleshooting
· Windows Hyper-V Virtual server maintenance and troubleshooting.
MAC repair/upgrade/maintenance/troubleshooting
Pronet Solutions/FIS
Technical Support Representative II (June 2013 - Feb 2014)
Level I & II technical support by troubleshooting, diagnosing, and resolving hardware and software issues.
· Citrix Server/User Administration
· Active Directory - User administration and maintenance
· BlackBerry Server - Manage Users and troubleshoot connectivity/replication issues.
· Windows XP - Windows 8-OS Troubleshooting and software installation
· Exchange Server 2000 - 2010.server and user administration
· Office 2000 – 2010 troubleshooting and installation
· Printer troubleshooting and setup
· Desktop Support
· Banking Application Troubleshooting and support
· Virtual server Troubleshooting and administration Vsphere, esxi, Hyper-V
· Site/Server outage troubleshooting and documentation
· Good Mobile server administration, user troubleshooting
· SolarWinds server monitoring and troubleshooting.
All Covered - Phoenix AZ
LVL I Helpdesk Engineer (February 2012 - June 2012)
LVL I NOC Engineer (June 2012 - October 2012)

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Monitor and validate Server Alerts for over 2000 clients, resolve escalate or contact client with next steps.
· Exchange Server 2000 - 2010. - Manage User mailboxes, troubleshoot exchange
connectivity/replication issues.
· N-Able Alerting - Validate server alerts and resolve via N-Able remote connection
· BlackBerry Server - Manage Users and troubleshoot connectivity/replication issues.
· Virtual Server (ESX/ESXi, vCenter, vSphere) - Manage multiple servers, run updates,
maintenance and troubleshoot connectivity issues.
· MSSQL - Verify database connectivity and delete logs to save disk space.
· Office 365 - Set up and manage user mailboxes and contact support for connectivity issues.
· Active Directory - Create new users roles, manage permissions and GPO using AD 2000/2008
· Backup Exec - Verify backup processes complete and run without errors, resolve errors.
· Web Servers IIS - Verify website services, connectivity and replication and troubleshoot any
issues.
· WAN/LAN - Verify multi-site connectivity and internet connections.
· MS Server 2000/2008 - Maintenance, troubleshoot and update servers. Manage services,
applications and resources.
· Windows XP - Windows 7-OSTroubleshooting
· Remote Server Support/Monitoring
· Office 2000 – 2010-Manage user accounts and troubleshoot end user issues.
· Track and resolve Server alert notifications, issue escalation and documentation
Decision Consultants - Phoenix Az
LVL I/III Support/Managed Services (October 2011 - February 2012)
Consultant for Team of Network Engineers providing Level 1/3 Server and Desktop support for 50+ clients and
their IT departments. Responsible for Network maintenance/updating/troubleshooting. Central contact point for
all clients. Troubleshooting phone/email/dameware/RDP. Documentation and escalation via Microsoft CRM.
· Sonic Firewall - Verify connectivity and create VPN users.
· Exchange Server 2000 - 2010. - Manage User mailboxes, troubleshoot exchange
connectivity/replication issues.
· BlackBerry Server - Manage Users and troubleshoot connectivity/replication issues.
· Virtual Server (ESX/ESXi, vCenter, vSphere, Hyper-V) - Manage multiple servers, run updates,
maintenance and troubleshoot connectivity issues.
· Cisco Firewall/Switches – Verify connectivity and basic troubleshooting
· MS Server 2000/2008 - Maintenance, troubleshoot and update servers. Manage services,
applications and resources
· Office 2000 – 2010-Manage user accounts and troubleshoot end user issues.
· N-Able Alerting - Validate server alerts and resolve via N-Able remote connection
· Microsoft CRM - Server maintenances tasks, AD cleanup,
· Active Directory - Create new users roles, manage permissions and GPO using AD 2000/2008
· WAN/LAN - Verify multi-site connectivity and internet connections.
HSAG (Contractor - All About People) - Phoenix AZ
Network/Desktop Support (October 2011 - December 2011) - Weekends Only
Part time member of a Network weekend support team. Monitored server alerts via email and provide desktop
support for employees. Handled weekend duties, such as PC/Server upgrades, deployment and off hours
server upgrades.
· PC/Server Deployment/Upgrade

3. 3
· Monitor Server Alerts via Email.
· Exchange Server 2000 - 2010. - Manage User mailboxes, troubleshoot exchange
connectivity/replication issues
· Virtual Server (Hyper-V) - Manage multiple servers, run updates, maintenance and troubleshoot
connectivity issues.
· Hardware deployment/upgrades
· Windows XP - Windows 7-OSTroubleshooting
Technisource (Contractor for Intertech) - Phoenix, AZ
Helpdesk/NOC Analyst (September 2011 - September 2011)
Tech Staff (Contractor for Chromalloy Arizona) - Phoenix, Az
Desktop Support (August 2011 - August 2011)
Ajilon Professional Staffing (Contractor for Arizona Instrument LLC) – Chandler, AZ
Network/Desktop Analyst (March 2011 - August 2011)
Freeport-McMoran Copper & Gold Inc. - Phoenix, AZ
Helpdesk Analyst (June 2007- June 2010)
Allied International Credit - Phoenix, AZ
JR Network Administrator (May 2006 – May 2007)
Education
High Tech (Anthem) College, Phoenix, AZ
Associates Degree in Computer Networking and Information Technology.
15 month associated degree consisting of 750 hours of theory and 750 hours of hands on technical lab work.
August 22, 2005 - March 23, 2007
San Elizario High School, El Paso, TX
2001 to 2005 HS Diploma
Technical Skills
Microsoft Server 2000/2008, OS XP/Vista/7, MSSQL, VMware Hyper-V/vCenter/ESXi, Exchange 2000/2010,
MS Office 365, Active Directory, Routers, Switches, Firewalls, DHCP, DNS, VPN, Backup Exec, VOIP, RDP,
FTP, Citrix Server, Xen Server, AS 400, GPO, Lotus Notes, Business Objects, Dameware, Backups