L3 Specialist – Virtualized Environments

PERCEPT SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 110,000 - 150,000; Full time

Job summary

Percept Solutions Pte. Ltd. in Singapore seeks an experienced L3 Specialist – Virtualized Environments to provide advanced support and administration for Citrix XenApp/XenDesktop, Citrix Cloud, Azure and Windows infrastructures.

This hands-on role emphasizes incident resolution, upgrades, patching, automation and continuous service improvements across a globally distributed environment. You will work with multiple teams to maintain Citrix and Azure components, perform root-cause analysis, manage

Qualifications

• More than 6 years of overall IT infrastructure experience.
• Minimum 4 years of hands-on Citrix administration.
• 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, Server hardware, Networking, Authentication technologies, Group policies, Infrastructure monitoring and Security/patch management.

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.

Skills

Citrix XenApp/XenDesktop

Citrix Cloud

Azure

PowerShell automation

Windows Server

Tools

Citrix Director

SCCM

Chef

PowerShell

FSLogix

Job description

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:

1. Windows Roaming Profiles
2. Citrix User Profile Management (UPM)
3. 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:

1. Windows Server operating systems
2. Server hardware
3. Networking
4. Authentication technologies
5. Group policies
6. Infrastructure monitoring
7. 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:

1. Citrix technologies
2. Microsoft Windows Server
3. Microsoft Azure
4. Virtual Desktop Infrastructure
5. 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:

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

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.