L3 Specialist – Virtualized Environments

ZprostředkovatelPERCEPT SOLUTIONS PTE. LTD.Singaporemycareersfuturezveřejněno 27. 08. 2026
Nutné:AzureCloudSecurity

We are seeking an experienced L3 Specialist – Virtualized Environments to provide advanced technical support and administration for enterprise virtual workplace environments based on Citrix On-Premises, Citrix Cloud, Microsoft Azure, and Windows technologies. The successful candidate will be responsible for Level 3 incident resolution, infrastructure maintenance, troubleshooting, automation, system upgrades, patching, architecture changes, and continuous service improvements across a globally distributed environment. This is a hands-on technical role requiring strong expertise in Citrix XenApp/XenDesktop, Azure infrastructure, Windows Server, virtualization, PowerShell automation, profile management, and enterprise infrastructure operations.

Key Responsibilities:

  • Provide Level 3 support for virtualized workplace environments based on Citrix On-Premises, Citrix Cloud and Microsoft Azure.
  • Handle complex incidents, service requests and escalations requiring advanced troubleshooting and root-cause analysis.
  • Troubleshoot Citrix-related issues using appropriate diagnostic tools, including Citrix Director.
  • Build, configure, operate and maintain enterprise Citrix XenApp/XenDesktop environments.
  • Implement architectural and infrastructure changes across Citrix landscapes.
  • Set up, administer and maintain Citrix and Azure infrastructure components.
  • Perform upgrades and updates of infrastructure components.
  • Manage user profile technologies including:
  • Windows Roaming Profiles
  • Citrix User Profile Management (UPM)
  • Microsoft FSLogix
  • Support multi-cloud and virtualized infrastructure environments.
  • Manage vendor support cases and technical escalations with organisations such as Microsoft, Citrix and HP.
  • Perform infrastructure debugging and complex technical problem resolution.
  • Carry out periodic and emergency system maintenance, including operating system and infrastructure patching.
  • Monitor system health, capacity, performance and infrastructure availability.
  • Drive continuous improvement initiatives to improve service stability, availability and performance.
  • Provide hardware support for Client Virtualization infrastructure in collaboration with the local Data Centre team.
  • Automate operational and administrative activities using PowerShell and other relevant scripting tools.
  • Manage and maintain SSL certificates within the infrastructure environment.
  • Package and deploy applications and software using technologies such as SCCM, PowerShell and Chef.
  • Evaluate and test new Citrix clients, components and software releases before deployment.
  • Coordinate with third-party vendors, internal departments and infrastructure teams on technical support activities.
  • Work with multiple technical teams to manage daily operations and plan and execute scheduled infrastructure activities.
  • Participate in technical team meetings and internal customer discussions.
  • Support Windows Terminal Services, Virtual Desktop Infrastructure (VDI), customer demonstration environments and education cloud environments.
  • Prepare and maintain relevant technical documentation, operational procedures and troubleshooting guides.

Requirements:

  • More than 6 years of overall IT infrastructure experience.
  • Minimum 4 years of hands-on Citrix administration experience.
  • Demonstrated experience providing Level 3 support for Citrix-based virtual workplace environments.
  • Strong hands-on experience with Citrix XenApp/XenDesktop, Citrix On-Premises and/or Citrix Cloud.
  • Experience configuring and maintaining infrastructure hosted on Microsoft Azure.
  • Strong knowledge of enterprise IT infrastructure including:
  • Windows Server operating systems
  • Server hardware
  • Networking
  • Authentication technologies
  • Group policies
  • Infrastructure monitoring
  • Security and patch management
  • Strong understanding of Citrix architecture and troubleshooting fundamentals.
  • Experience with Citrix Director for monitoring and troubleshooting.
  • Hands-on experience with Windows Roaming Profiles, Citrix UPM and Microsoft FSLogix.
  • Strong PowerShell scripting and automation skills.
  • Experience with software packaging and deployment using SCCM, PowerShell and/or Chef.
  • Experience managing SSL certificates and related infrastructure components.
  • Experience working with globally distributed teams, functions and operations within a large organisation.
  • Ability to independently analyse and resolve complex technical problems involving multiple systems and technologies.
  • Ability to operate effectively in high-pressure and business-critical production environments.

Preferred Qualifications:

Professional certifications or equivalent technical training in one or more of the following areas would be advantageous:

  • Citrix technologies
  • Microsoft Windows Server
  • Microsoft Azure
  • Virtual Desktop Infrastructure
  • Cloud infrastructure technologies

Working Hours / Shift Requirements:

The successful candidate will work as part of an operations team supporting a 5 x 24 service model and will rotate between shifts based on operational requirements:

  • Shift 1: 8:00 AM – 5:00 PM SGT
  • Shift 2: 2:00 PM – 11:00 PM SGT
  • Shift 3: 11:00 PM – 8:00 AM SGT

The role will also require participation in an on-call rotation during weekends and public holidays.

To apply,simply click the "Apply" button or send your updated profile to recruit@percept-solutions.com

EA Licence No.:18S9405 / EA Reg. No.:R1330864

Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at https://www.linkedin.com/company/percept-solutions/ to stay informed about new opportunities and events.