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Jonathan Lagarejos
Information Security @ LinkedIn
Sunnyvale, CA, United States
Details
Experience:
2020 : Present
LinkedIn
Manager, Information Security
2018 : 2020
LinkedIn
Senior Information Security Engineer
2017 : 2018
LinkedIn
Information Security Engineer
House Security Liaison for Internal End User Support (Currently on rotation with House Security Incident Response and Monitoring Team) :
• Perform basic penetration testing for 3rd party applications requested by LinkedIn internal users
• Review commodity malware incident logs and provide remediation steps on behalf for House Security for End User Support Team (GTS Security Reviewer Role)
• Develop and document process to be used by End User Support for Malware Incident Response
• Single point of contact between House Security and End User Support
Help Desk Technician :
• Provide remote technical support to LinkedIn internal end users.
• Troubleshoot various personal computing platforms : Macintosh, Windows, Linux, Android and iOS
• Provide technical support to LinkedIn internal staff members via incoming Help Desk calls utilizing WebEx, Bomgar, and other desktop sharing tools if necessary.
• Provide first level support for multiple enterprise applications including : e-mail, calendar scheduling, word processing, spreadsheets, presentations, web browsers, as well as specialized department-specific applications
• Familiar with network configurations and protocols : LAN, WAN, Wi-Fi, VPN, DHCP, DNS
• Provide support for mobile users who work at home, travel, or work from a remote office, using remote support solutions like WebEx, LANDesk, Bomgar and Casper Remote.
• Identify and resolve hardware and software application conflicts
• Open and close service requests, as well as manage the classification, assignment, tracking, and completion of requests through an internal tool built from the ServiceNow platform.
• Distribute applications remotely to client computers using LANDesk Management Tool and JAMF Software Server.
• Diagnose and troubleshoot Linux related hardware/software issues
• Utilize Active Directory to view and assist with share permission requests and account issues.
2014 : 2017
LinkedIn
Helpdesk Technician
• Provide support to PAUSD faculty ranging from the District Office to various school sites.
• Perform hardware troubleshooting, diagnostics and repair on all computer equipment.
• Maintain and monitor the status of faculty workstations and student accessed machines at all site locations.
• Maintain and monitor switches and wireless access points for Lan/Wan connectivity.
• Utilize Cisco Meraki for monitoring asset usage and network performance.
• Utilize JAMF Casper Suite for monitoring inventory of equipment and software.
• Ensure systematic backups faculty and staff workstations.
• Provide on-going support for all PAUSD software applications, including MS Office suite, Infinite Campus, Schoology, Safari Montage, Smart Notebook
• Work with Active Directory and Exchange administrator to supply active directory accounts, Exchange email user ids and distribution groups as requested.
• Build and maintain desktop images with standard applications for deployment to new hires, and student accessed machines.
• Support VOIP phone system for end user usage, updates/changes.
• Support Smart Board Interactive Whiteboards by troubleshooting hardware and software issues.
2013 : 2013
Palo Alto Unified School District
Computer Support Specialist II
Manager, Information Security
2018 : 2020
Senior Information Security Engineer
2017 : 2018
Information Security Engineer
House Security Liaison for Internal End User Support (Currently on rotation with House Security Incident Response and Monitoring Team) :
• Perform basic penetration testing for 3rd party applications requested by LinkedIn internal users
• Review commodity malware incident logs and provide remediation steps on behalf for House Security for End User Support Team (GTS Security Reviewer Role)
• Develop and document process to be used by End User Support for Malware Incident Response
• Single point of contact between House Security and End User Support
Help Desk Technician :
• Provide remote technical support to LinkedIn internal end users.
• Troubleshoot various personal computing platforms : Macintosh, Windows, Linux, Android and iOS
• Provide technical support to LinkedIn internal staff members via incoming Help Desk calls utilizing WebEx, Bomgar, and other desktop sharing tools if necessary.
• Provide first level support for multiple enterprise applications including : e-mail, calendar scheduling, word processing, spreadsheets, presentations, web browsers, as well as specialized department-specific applications
• Familiar with network configurations and protocols : LAN, WAN, Wi-Fi, VPN, DHCP, DNS
• Provide support for mobile users who work at home, travel, or work from a remote office, using remote support solutions like WebEx, LANDesk, Bomgar and Casper Remote.
• Identify and resolve hardware and software application conflicts
• Open and close service requests, as well as manage the classification, assignment, tracking, and completion of requests through an internal tool built from the ServiceNow platform.
• Distribute applications remotely to client computers using LANDesk Management Tool and JAMF Software Server.
• Diagnose and troubleshoot Linux related hardware/software issues
• Utilize Active Directory to view and assist with share permission requests and account issues.
2014 : 2017
Helpdesk Technician
• Provide support to PAUSD faculty ranging from the District Office to various school sites.
• Perform hardware troubleshooting, diagnostics and repair on all computer equipment.
• Maintain and monitor the status of faculty workstations and student accessed machines at all site locations.
• Maintain and monitor switches and wireless access points for Lan/Wan connectivity.
• Utilize Cisco Meraki for monitoring asset usage and network performance.
• Utilize JAMF Casper Suite for monitoring inventory of equipment and software.
• Ensure systematic backups faculty and staff workstations.
• Provide on-going support for all PAUSD software applications, including MS Office suite, Infinite Campus, Schoology, Safari Montage, Smart Notebook
• Work with Active Directory and Exchange administrator to supply active directory accounts, Exchange email user ids and distribution groups as requested.
• Build and maintain desktop images with standard applications for deployment to new hires, and student accessed machines.
• Support VOIP phone system for end user usage, updates/changes.
• Support Smart Board Interactive Whiteboards by troubleshooting hardware and software issues.
2013 : 2013
Palo Alto Unified School District
Computer Support Specialist II
Company:
LinkedIn
Spoken Language:
English
About
I'm passionate about all things tech. I love challenges and learning the ins and outs of everything. I strive to be the go-to guy and enjoy spreading the knowledge I have learned over my years in IT with whoever is interested.
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