Roger Castillo
IT Consultant at Astignes Capital- Claim this Profile
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English -
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Filipino -
Topline Score
Bio
Credentials
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Microsoft Certified: Azure Fundamentals
MicrosoftFeb, 2021- Sep, 2024 -
Microsoft Certified Professional (MCP)
MicrosoftAug, 2017- Sep, 2024 -
Microsoft Certified: Azure Solutions Architect Expert
MicrosoftFeb, 2023- Sep, 2024 -
Microsoft Certified: Azure Administrator Associate
MicrosoftJun, 2021- Sep, 2024 -
Cisco Certified Network Associate Routing and Switching
-Sep, 2013- Sep, 2024
Experience
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Astignes Capital
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Singapore
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Financial Services
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1 - 100 Employee
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IT Consultant
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Nov 2018 - Present
• Handles daily support for client users not limited to workstation, application, service provider coordination • Monitors hardware (servers, network) and software/service subscriptions with the use of third party RMM (Solarwinds N-Central) • Manage/setup notifications for connectivity and services in accordance with client specifications • Works in configuring and implementing domain policy changes and improvements (i.e GPO) • Documents client process not limited to standard desktop provisioning, client user assistance. application troubleshooting and service provider coordination to be used by the firm in the event of absence. • Develops powershell scripts for various tasks and automation in desktop, server, and user account managements. • Manage and maintain deployment of Intune company portal to user’s mobile devices and assures devices are compliant. • Manage and control citrix access for users. This includes troubleshooting not limited to license, and VDA issues. • Azure cloud infrastructure management, monitoring, and reporting • Azure AD sync and management • Monitors and manages spam filters. Projects: • Configured new Citrix Desktop Delivery controller in Azure • Migrated old AD servers from 2008 R2 to Windows 2016 servers. • Set up new ESXi servers that are deployed on-prem and datacenter • Group Policy management and improvement Show less
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CLINIC+
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Guinea
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Hospital & Health Care
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System Administrator
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Feb 2015 - Nov 2018
• Handles windows servers’ management (AD, File, DNS, DHCP, Print servers) for 20+ clients based in New York on a virtual environment including deployment, maintenance (patching, backup, health check). • Provision virtual servers depends on the client’s needs • Administers replication to the datacenter for DR solutions of clients. • Experience in handling SAN and used as datastores for hypervisors. • Troubleshoot issues encountered on VMware by CLI/GUI. • Creates and receives trouble tickets using Zendesk from clients and gives technical support. • Assists and troubleshoots reported network issues but not limited to network connectivity, LAN, switch and basic configuration, wireless AP configuration, VPN connection, file sharing, connection to terminal gateway. • Troubleshoots issues with citrix connection and applications hosted in citrix. • Handles application installation requested by clients. • Handles email support from clients hosted from various email hosting services • Troubleshoots issues with Exchange servers but not limited to mailbox creation, public folder issues, delayed receiving of emails, and spam filtering. • Monitoring and patching of server infrastructure and workstations. • Sets up and configures new workstations for clients in Singapore before using for production including patching, cabling, cable management. • Configures and upgrades cloud-file services (Varonis DatAnywhere). • Experience in Microsoft Intune. • Experience in troubleshooting application and OS related issues in both Windows and Mac platform • Knowledgeable in basic powershell scripting for automation and plans to continue. Show less
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Technical / Network Engineer
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Feb 2010 - Feb 2015
• Administer servers, active directory, network services (e.g FTP, emails), backups and NAS. • Checks inside and outside network connection daily. • Plans for cable distribution to be setup in new branch offices. • Sets up planned network for branch offices including cabling. • Documents planned setup of network, including port assignment for easy troubleshooting. • Sets up, configures, and maintain NAS devices on each lodge and extension offices. • Performs troubleshooting with concerns to NAS devices. • Setup and configure computer and network security through AV installation, outlook emails. • Manages Sonicwall as the router and firewall and implements policies that are applied to the whole Head office network that sets the access to the internet for specific IP address. • Receives calls from all 42 branches and extension offices and address troubleshooting issues and acts to give solutions and resolve the problem. • Administers and maintain company applications as well as operating systems issues and other applications. • Coordinate with the respective ISPs with regards to connection problems and issues to lodges and provinces. • Makes sure every issues or problem encountered are logged to Spiceworks ticketing system and updates for any development. Show less
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Education
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2004 - 2009
Adamson University
Bachelor's degree, Computer Engineering
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