Senior Citrix Engineer
First seen by Alion on Oct 29, 2026.
Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.
Join us as an experienced Citrix Engineer and take ownership of troubleshooting and stabilizing a business-critical Citrix environment. You will work hands-on with complex infrastructure issues, identify root causes, implement sustainable solutions, and collaborate with internal teams, external partners, and Citrix Support to ensure a stable and reliable production environment.
Your responsibilities:
Troubleshoot and resolve complex issues across the Citrix environment, including Cloud Connector, License Server, PVS, and VDA.
Investigate session freezes, unregistered VDAs, connectivity issues, and other Citrix-related incidents.
Perform root-cause analysis and implement sustainable fixes to improve environment stability.
Identify whether issues originate from Citrix or underlying infrastructure components, including network and DHCP.
Support testing activities and ensure production readiness of implemented solutions.
Monitor and troubleshoot dependencies between Citrix components and the broader infrastructure.
Collaborate with internal infrastructure teams, external partners, and Citrix Support on critical incidents.
Document findings, solutions, and troubleshooting procedures to support ongoing environment stability.
What we're looking for:
Strong hands-on experience supporting and troubleshooting complex Citrix environments.
Practical experience with Citrix Provisioning Services (PVS), Virtual Delivery Agent (VDA), Cloud Connector, and License Server.
Solid experience with Citrix Virtual Apps and Desktops environments.
Advanced troubleshooting and root-cause analysis skills, including experience with production incidents.
Good understanding of networking and infrastructure dependencies, including DHCP and related services.
Ability to quickly understand an existing environment and independently diagnose and resolve technical issues.
Experience working with business-critical production environments.
Strong problem-solving skills and the ability to collaborate effectively with technical teams and external support partners.