JOHN SAMUEL MAGHIRANG
San Diego,CA
Summary
IT professional with 15+ years of experience providing technical support, systems administration, and managed IT services in enterprise and MSP environments. Expertise in Microsoft 365, Active Directory, Windows Server, virtualization, cloud technologies, cybersecurity, backup solutions, and end-user support. Proven ability to troubleshoot complex technical issues, maintain SLA compliance, and deliver exceptional customer service.
Overview
19
19
years of professional experience
Work History
Senior Service Desk Support
IronOrbit (MSP)
10.2023 - 05.2026
- Provided Tier 1/Tier 2 technical support for multiple managed service clients. Managed client incidents and service requests through CRM ticketing systems while maintaining SLA compliance. Administered Microsoft 365 environments including user provisioning, licensing, security, and mailbox management. Managed Active Directory users, groups, permissions, organizational units, and access controls. Resolved hardware, software, printer, network, email, and application issues. Performed real-time endpoint security monitoring and threat response activities. Administered email security platforms including Barracuda and Proofpoint. Supported VMware Horizon cloud environments and workspace provisioning. Created and maintained technical documentation and knowledge base articles. Delivered support for Windows, MacOS, Android, and iOS devices. Assisted with client onboarding and offboarding.
IT Support Specialist IV
Cycrest Systems (MSP)
10.2021 - 07.2023
- Supported Active Directory, Microsoft 365, Exchange, and Google Workspace environments. Managed backup and disaster recovery solutions. Administered Windows Server infrastructure and provided remote support. Troubleshoot hardware, software, networking, and application issues. Assisted with infrastructure upgrades, migrations, and client projects.
IT Help Desk Engineer / Help Desk Manager
Echelon Technologies (MSP)
09.2020 - 09.2021
- Managed help desk operations and technical support activities. Administered Windows Servers, Active Directory, Exchange, and Microsoft 365. Managed backup systems and monitored service health. Coordinated escalations with vendors and client stakeholders. Maintained IT documentation and knowledge base resources.
IT Support Engineer
NDataStor
01.2020 - 06.2020
- Provided remote support using Datto RMM and Autotask. Managed Windows Server environments and backup solutions. Supported Microsoft 365, Exchange, and Google Workspace. Performed user onboarding, account administration, and troubleshooting.
IT Service Desk Specialist
Skynet LLC
06.2019 - 11.2019
System Administrator
Coastrange Technologies
01.2018 - 02.2019
- Install, configure, and maintain servers, operating systems, and network infrastructure to ensure reliable system performance. Monitor system health, troubleshoot technical issues, and provide timely support to end users. Manage user accounts, permissions, security policies, and data backups to protect organizational assets. Perform system updates, patches, and upgrades while minimizing downtime and ensuring compliance with IT standards. Document system configurations, procedures, and maintenance activities to support efficient IT operations.
IT Service Desk Analyst
ANZ Bank
01.2014 - 01.2017
- Delivered enterprise-level technical support for banking employees. Managed Active Directory access, security groups, and password administration. Supported Windows Server services and resolved hardware, software, and network issues. Maintained incident documentation and escalation procedures.
Help Desk Support Specialist (Level 2)
ATOS IT Services
01.2007 - 01.2014
- Provided first and second-level support for enterprise users. Resolved desktop, network, printer, email, and application issues. Coordinated hardware repairs and maintained support documentation.
Education
Computer System Network Technology
AMA Computer College
01-2003
AA - Computer Internet Professional Programmer
Informatics Computer Institute
01-2003
Skills
- Microsoft 365 & Exchange Online
- Active Directory & Entra ID
- Windows Server Administration
- VMware & Hyper-V
- Backup & Disaster Recovery
- Endpoint Security & Threat Monitoring
- VPN & Remote Access Support
- Network Troubleshooting
- Help Desk Operations
- PowerShell Scripting
- User Provisioning & Access Management
- IT Documentation & Knowledge Management
- Platforms: Windows Server 2012–2022, Windows 10/11, macOS, Linux/UNIX
- Microsoft: Microsoft 365, Exchange Online, Active Directory, Entra ID, Teams, OneDrive, GPO
- Virtualization: VMware, VMware Horizon, Hyper-V
- Backup: Datto, Veeam, Acronis, E-folder, Backblaze, Barracuda
- Security: Barracuda, Proofpoint, Endpoint Protection, VPN, RDP, AV cloud and realtime Monitoring
- Tools: ConnectWise, Autotask, Kaseya, Datto RMM, Atera, Zoho, LabTech, Ninja One
- Other: 3CX, Ring Central, POS Systems, Android/iOS Support, PowerShell
Timeline
Senior Service Desk Support
IronOrbit (MSP)
10.2023 - 05.2026
IT Support Specialist IV
Cycrest Systems (MSP)
10.2021 - 07.2023
IT Help Desk Engineer / Help Desk Manager
Echelon Technologies (MSP)
09.2020 - 09.2021
IT Support Engineer
NDataStor
01.2020 - 06.2020
IT Service Desk Specialist
Skynet LLC
06.2019 - 11.2019
System Administrator
Coastrange Technologies
01.2018 - 02.2019
IT Service Desk Analyst
ANZ Bank
01.2014 - 01.2017
Help Desk Support Specialist (Level 2)
ATOS IT Services
01.2007 - 01.2014
Computer System Network Technology
AMA Computer College
AA - Computer Internet Professional Programmer
Informatics Computer Institute