Jonathan Chatfield

Experience

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  Tech Mahindra

  Dec 2011 - Aug 2012

  Associate Executive

  Application Support

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  Wipro Limited

  Sept 2015 - Apr 2019

  Project Engineer | Windows System Administrator

  - Provide Technical support, Remote support to the users to resolve the Tickets.- Working on ITSM/SMP Ticketing Tool to accomplish the tasks as per the SLA.- Administration of user profiles, Organizational Units and Active Directory Domain services in server 2008/2012 R2.- Administration of Windows Server 2008/2012 R2, Configuring of DHCP and DNS- Configuring and Troubleshooting issues with all versions of MS Outlook Clients. Resolving issues of MS Office communicator, Skype and MS Teams.- Resolving Networks Problem and troubleshooting of LAN and Wi-Fi Connectivity issues.- Managing, troubleshooting network printers, Scanners & other shared resources.- Disk Management, Backing up Data using Windows backup Utility, Crash Plan backup tool using for Client machines.- Coordinating with vendor for Hardware replacement, Laptops and Desktop related issues, License management.- Responsible for sending Weekly and Monthly quality reports and analysis of the team’s performance. - Maintaining General Guidelines, build on reporting matrix to measure performance for all activities عرض أقل

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  Ericsson India

  Apr 2019 - Aug 2021

  ICT Engineer | Jamf Pro, macOS and Linux Administrator

  - Jamf Pro Administrator to manage Corporate MAC for hassle-free applications & security patches deployment.- Maintaining Security, Device Compliance & Device hardening through security best practices and penetration testing using JamfPro for managed devices.- Package and deploy MAC applications and application vulnerability fixes to MAC clients by Jamf-Pro.- Jamf Server Installation/Upgrade & maintenance.- Configuration Profiles & Patch Management & Software Restrictions and Application Deployment using VPP in Jamf Pro.- Apple DEP enrolment with JamfPro- Intermediate Experience with Bash scripting language.- Conduct Root Cause Analysis and remediation efforts on MAC application deployments failures.- Proficient in Microsoft Office Suite, OneNote, OneDrive (Mac versions)- Working with Casper Management Suite/JamfPro Tools, Jamf Admin, Jamf Composer, Jamf Imaging, Jamf Self-Service.- Maintains Self Service repository for OS X software titles.Deep MacOS knowledge about- File systems- Device drivers- Networking- Security, including Keychain- User interface- Launch Agent, Launch Daemons- Configuration Profiles- Responsible for day-to-day administration, maintenance, and operations of the OS X infrastructure. عرض أقل

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  HCL Technologies

  Aug 2021 - Mar 2022

  Technical Specialist | Jamf Pro & macOS Administrator

  The primary responsibility includes overall administration over macOS• Managing MAC OS updates and upgrades through JAMF Pro• Creating Packages, Policies & Scripting for hassle free applications deployment in macOS and macOS management.• Maintaining Security and Device Compliance using JamfPro for managed devices.• Smart group management and regular clean-up of unwanted saved searches and retiring old policies.• Adding shell script to the package whenever necessary.• Testing the application before moving to production (IAT, UAT & Pilot)• Having knowledge of Casper Management Suite/JamfPro Tools, Jamf Admin, Jamf Composer, Jamf Imaging, Jamf Self-Service.• Maintains Self Service repository for OS X software titles.• Conduct Root Cause Analysis and remediation efforts on MAC application deployments failures.• Intermediate Experience with Bash/Shell scripting language.• Package and deploy MAC applications and application vulnerability fixes to MAC clients by Jamf-Pro.• Responsible for day-to-day administration, maintenance, and operations of the OS X infrastructure.• Exporting Reports using Custom SQL Query’s. عرض أقل

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  Mandiant

  Mar 2022 - Oct 2022

  Client Systems Engineer

  - A bridge between Internal Service Desk team and Client Systems Architecture team- The first point of contact for Internal Service Desk for macOS and JAMF related issues and work with Architecture team for resolution when required- Assist Internal Service Desk and Desktop Support team with complex macOS troubleshooting- Direct contact with end-user when a complex macOS problem arises and can’t be solved by Service Desk- Support of MacOS Enterprise tools and services, to ensure a consistent and unified device management experience- Test and report problems related to macOS provisioning, applications and patch deployment to internal JAMF Architect- Generate and provide reports from JAMF as requested by Architecture team or Threat Intel team- When requested by JAMF Architect, create packages, policies, profiles and groups within JAMF Pro- Partner with Information Security Teams leading the introduction of evolving security stack architecture elements- Drive security and configuration standards compliance, and drive spearhead remediation efforts where necessary- Work with business leaders and functional subject matter experts to solve for business outcomes and accelerate business opportunities by introducing emerging technologies and innovative productivity solutions.- Drive active partnership with mergers and acquisitions integration teams to ensure that goals are achieved for IT productivity tool enablement.- Partner with the Technical Writing team to drive active contribution to Self Service, Knowledge-base and internal Support documentation. عرض أقل

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  Google

  Nov 2022 - Feb 2025

  Client Systems Engineer

  - Jamf Pro Engineering and Operations- Microsoft Endpoint manager (Intune) Administration and Operations- NinjaOne Administration and Operations- Mac OS and iOS management- Linux Debian Management- Debian Patch management- Windows OS management.- Microsoft Azure VDI (AVD) management : Log Analytics Workspace and Azure Storage Account (Blob Storage)- Integrating Azure AVD (Host pools) Logs Analytics workspace linked to Azure Storage Account with PowerBi Dashboard- Google Cloud Compute Engine - Secure and customizable compute service عرض أقل

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  Rubrik

  Feb 2025 - now

  IT Systems Administrator Senior Associate

  - Endpoint Provisioning And Configuration- Security And Compliance- Patch Management- Endpoint Monitoring And Troubleshooting- Endpoint Application Management- Asset Management And Documentation- Change Mgmt & Endpoint Policies- Performance Optimisation- Vendor And Technology Evaluation