Summary
Overview
Work History
Education
Skills
Languages
Websites
References
Timeline
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Alonso Hensen

Santa Ana,SJ

Summary

Adept IT Systems Administrator with a proven track record at Greenslate, I excel in deploying robust security measures, achieving a 99% eradication of system threats. My leadership in IT projects and expertise in systems administration and IT security have driven significant improvements in system performance and compliance. Skilled in fostering team collaboration, I ensure seamless technology integrations and enhanced operational efficiency.

Overview

13
13
years of professional experience

Work History

IT Systems Administrator

Greenslate
Tres Rios, Cartago
06.2021 - Current
  • Administering user permissions, access rights. Maintaining directories accounts
  • Conducted Crowdstrike Falcon RFM monitoring to address vulnerabilities
  • Managed Jamf Cloud Policies, Device Management, Packaging and Patches. Ensure deployment and security compliance. Automate workflows using scripts and Zero-touch
  • Designed and implemented policies for macOS and iOS device management, ensuring streamlined deployment and security compliance
  • Investigated information security breaches to identify vulnerabilities and evaluate damage with Mimecast
  • Diagnosed and corrected systems, malware analysis, prevention
  • Executed diagnostic analysis on security systems, eradicating 99% of efforts, enhancing system performance
  • Lead the response to a major data breach, revamped defense protocols, macOS CrowdStrike implementation. Assisted in the commissioning and configuring the network perimeters and Geo-fence
  • Diagnosing and resolving technical issues for end users and teams
  • Create and maintain technical and KB documentation
  • Trained end-users and team members on utilizing Jamf-managed devices effectively

JAMF PRO AND MAC ADMIN

EQUIFAX
, HEREDIA
01.2016 - 06.2021
  • Jamf Pro Latin America Expansion Project Leadership. Responsible for the Apple design, implementation, and ongoing support for all Equifax LATAM offices. $150 Project Budget
  • Administering macOS devices & iOS.
  • Tier 3 Support.
  • Decision maker on patch management and inject policies according to company standards.
  • Secure procedures and interoperability with other technologies.
  • Collaborate with the Service Desk and Desktop Engineering Teams.
  • Project Documentation and Proposal.
  • Train LATAM offices' IT members in macOS, Apple hardware, and Jamf platform.
  • Attend Jamf Casper 1-week training in Georgia in 2017.
  • McAfee Endpoint Protection.
  • Server environment, printing, firewall, and routing.

SYSTEMS ENGINEER 1

VMWARE
, HEREDIA
06.2015 - 07.2016
  • Oversee the local delivery of services and support to end users.
  • Oversee and work in the local Oasis Genius Bar, providing interactive, friendly, hands-on support.
  • Audio-Visual Supports, Polycom, Crestron, Telepresence.
  • Training end users on emerging technologies, such as VMware IT Solutions.
  • Deploying and supporting system releases, upgrades, service packs, and security updates.
  • Server maintenance, NAS storage.

ESCALATION ENGINEER

CITRIX
, HEREDIA
01.2015 - 01.2016
  • Network Security (SSL/TLS, VPN, Firewall, IDS/IPS)
  • Load balancers.
  • Troubleshoot XenDesktop and XenApps issues.
  • Technical interface between the client and third-level engineering and product development.
  • Write technical articles and case studies.

IT TEAM LEAD

THOMSON REUTERS
, HEREDIA
01.2012 - 01.2016
  • Responsible for the management of the Local Information Technology Team.
  • IT Projects, Planning, and Initiatives. Collaborate with other departments for implementations, and help them boost processes.
  • Risk Assessment on IT Components.
  • Investigate incidents and change requests.
  • Prepare daily workloads for delegation, and provide direction and guidance.
  • Coach and mentor team members.

Education

Associate of Arts - Animation And Special Effects

CYBER-U
SAN JOSE
12-2005

BBA - Computer Information Systems

CENFOTEC
CURRIDABAT
12-2003

MS Cert. Managing And Maintaining MS Windows Server - Information Technology

PROMETRIC
SAN JOSE
03-2003

VMware Certified Technical Associated Data Center Virtualization (VCTA-DCV) - Information And Communication Technology

Multicloudacademy
ONLINE

Mastering Digital Forensics - Information Technology

ECCOUNCIL
ONLINE

Skills

  • Application support
  • Disaster recovery
  • Asset management
  • Hardware installation
  • Windows Administration
  • Systems administration
  • Cloud Services Management
  • SaaS implementation and integration
  • IT Security and Compliance
  • Automation
  • Monitoring tools
  • Server management
  • IT documentation
  • Active directory
  • VoIP systems
  • Configuration management
  • Remote Access solutions
  • Group policy management
  • VPN configuration
  • Operating systems

Languages

Spanish
First Language
English
Advanced (C1)
C1

References

References available upon request.

Timeline

IT Systems Administrator

Greenslate
06.2021 - Current

JAMF PRO AND MAC ADMIN

EQUIFAX
01.2016 - 06.2021

SYSTEMS ENGINEER 1

VMWARE
06.2015 - 07.2016

ESCALATION ENGINEER

CITRIX
01.2015 - 01.2016

IT TEAM LEAD

THOMSON REUTERS
01.2012 - 01.2016

Associate of Arts - Animation And Special Effects

CYBER-U

BBA - Computer Information Systems

CENFOTEC

MS Cert. Managing And Maintaining MS Windows Server - Information Technology

PROMETRIC

VMware Certified Technical Associated Data Center Virtualization (VCTA-DCV) - Information And Communication Technology

Multicloudacademy

Mastering Digital Forensics - Information Technology

ECCOUNCIL

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