Jason Clayder Clark Melgar
Cebu City,Philippines
Summary
Experienced VDI Engineer with a robust background in Citrix technologies, cloud platforms (Azure, AWS), and IT infrastructure within MSP and enterprise environments. Proven ability to maintain, optimize, and troubleshoot complex systems and virtual environments. Passionate about delivering reliable IT solutions, improving system performance, and supporting user experience in cloud and hybrid settings.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Senior Systems Administrator – Citrix
Telus Digital
01.2025 - Current
- Support enterprise-wide Citrix infrastructure including CVAD 2203 LTSR, App Layering, WEM, PVS/MCS.
- Administer Citrix ADC VPX/SDX, FSLogix, and profile management across Windows Server 2019/2022.
- Deploy Microsoft 365 apps and manage VMware virtual machines using PowerShell and GPO policies.
Senior Systems Engineer – VDI
Fujitsu
10.2022 - 10.2024
- Administered and monitored Citrix environments (on-premise/cloud) and user sessions.
- Managed image releases, profile configs, patching, and performance tuning on Windows Server.
- Followed ITIL practices for incidents, changes, and service requests.
Senior Systems Engineer
CS Modern Workforce Inc.
02.2022 - 10.2022
- Maintained MPLS/SDWAN, routers, firewalls, and Microsoft stack including SCCM and SharePoint.
- Supported VPN, remote access, and Citrix infrastructure at 2nd and 3rd escalation level.
- Performed network security audits and asset documentation.
Systems Administrator
Benchmark 365
Cebu
06.2021 - 02.2022
- Provided escalation support across multi-client infrastructure and backup operations.
- Configured Microsoft 365: Azure AD, SharePoint, Exchange, OneDrive, and Teams.
- Maintained server infrastructure (Windows Server, DNS, DHCP, GPO).
Citrix Administrator
Teleperformance
Cebu
04.2013 - 03.2021
- Performed Citrix backend maintenance, monitoring, and alert resolution.
- Maintained XenApp/XenDesktop builds and implemented updates and optimizations.
- Built secure VMs and enforced Citrix profiles, group policies, and hardening techniques.
Education
Bachelor of Science - Information Technology
ACLC College
PhilippinesSkills
- Virtualization: Citrix Virtual Apps & Desktop, VMware vSphere, Microsoft Hyper-V
- Hypervisor: XenServer, AHV and VMware ESXi
- Operating Systems: Windows Desktop & Server OS (2008r2, 2012r2, 2016, and 2019) and Linux
- Networking: VLAN (Azure), Firewall Management (Azure NSG) and Load Balancing (Citrix ADC)
- Cloud Services: Azure and AWS
- Scripting: PowerShell and CLI
- Backup Solutions: Veeam, Commvault, Shadow Protect, Acronis, Datto SIRIS,
- Monitoring Tools: Azure Monitor, Grafana, Zabbix and EG Innovation
- Soft Skills: Problem-Solving, Communication, Team Collaboration, Project Management, Attention to detail and Adaptability
Websites
Certification
- AWS Certified Cloud Practitioner
- Microsoft Certified: Azure Fundamentals
- Microsoft Certified: Azure Administrator Associate
Languages
English
Professional
Timeline
Senior Systems Administrator – Citrix
Telus Digital
01.2025 - Current
Senior Systems Engineer – VDI
Fujitsu
10.2022 - 10.2024
Senior Systems Engineer
CS Modern Workforce Inc.
02.2022 - 10.2022
Systems Administrator
Benchmark 365
06.2021 - 02.2022
Citrix Administrator
Teleperformance
04.2013 - 03.2021
Bachelor of Science - Information Technology
ACLC College
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