Senior Client Virtualization Engineer

Responsibilities

• Engineer and support Store Front and Net Scaler routing/HDX architecture (STA communication, session brokering, internal/external/MFA paths); troubleshoot launch and connectivity failures end-to-end
• Design, operate, and optimize the Citrix estate:
  Delivery Controllers, Store Front, Net Scaler ADC/SDX, FAS (with MFA), ADM, Share File, and License Management
• Build and troubleshoot Net Scaler nFactor authentication flows (policies, actions, login schemas) integrating LDAP, RADIUS, SAML, and MFA providers
• Own SSL/TLS certificate lifecycle across Citrix and VMware platforms, including renewals, chain/trust issues, and format conversions
• Implement and support Citrix FAS with MFA (FAS rules, certificate templates, ADCS integration, and GPO configuration)
• Engineer VMware vSphere/ESXi and Citrix Hypervisor/Xen Server infrastructure (vCenter operations, DRS/HA, cluster optimization, VM lifecycle, and Machine Catalog provisioning)
• Develop and maintain automation using Power Shell, Python, Bash, and Apache Airflow for provisioning, user assignment, monitoring, and operational workflows
• Plan and execute Citrix migrations and upgrades with backup/snapshot strategy, rollback planning, and post-change validation
• Provide Tier 3/4 escalation support and participate in a 24/7 on-call rotation supporting users across NA/EMEA/APAC
• Support DR procedures, including backup/restore of Delivery Controllers, Store Front, Net Scaler configurations, FAS servers, and SQL databases
• Maintain clear documentation for architectures, runbooks, troubleshooting, and automation

• 7+ years of hands‑on Citrix CVAD (Xen App/Xen Desktop) experience in a global enterprise environment
• Expertise across Store Front, Delivery Controllers, Net Scaler ADC/SDX, FAS, Citrix Studio, ADM, Share File, and Citrix licensing
• Deep experience with nFactor authentication, SSO/MFA integrations, and SSL/TLS troubleshooting and certificate management (PKI/ADCS)
• Strong Net Scaler SDX platform management experience (VPX instances, HA, LACP, VLANs, firmware/maintenance)
• 5+ years of VMware vSphere/ESXi experience, including vCenter, DRS/HA, provisioning workflows, and automation (PowerCLI/py Vmomi)
• Advanced scripting skills in Power Shell and Python; experience with Apache Airflow or similar orchestration tools
• Strong Windows 11 enterprise administration skills (domain authentication, Kerberos/NTLM, Group Policy, smart card/certificate‑based auth)
• Availability for 24/7 on‑call rotation supporting NA/EMEA/APAC time zones
• Solid networking fundamentals (VLANs, routing, firewalls, DNS, DHCP, proxies)
• Experience in global financial services environments strongly preferred