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Horizon Infrastructure Administrator

Unlock employer Riyadh, Saudi Arabia Posted: 16 Sep 2025

Financial

  • Estimate: $90k - $130k*
  • Zero income tax location

Accessibility

  • Hybrid
  • Apply from abroad
  • Visa Provided

Requirements

  • Experience: Senior
  • English: Professional

Position

About the Job: Join our team at DXC Technology where you will play a key role in managing and maintaining our Horizon Infrastructure to ensure seamless access to desktop and application pools. This position focuses on various responsibilities from infrastructure administration to incident resolution, aiming to enhance our virtual desktop environment.

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Responsibilities:

  • Horizon Infrastructure Administration: Deploy, configure, and maintain Horizon Connection Servers, Unified Access Gateways (UAG), and replica/hot-standby setups for global availability.
  • VSphere & ESXi Management: Build, patch, and optimize ESXi hosts and vCenter clusters to support Horizon desktop and application pools.
  • Desktop Pool & Session Management: Create and manage automated desktop pools (Linked/Instant Clones), assign entitlements, and troubleshoot session launch issues via Horizon Administrator console.
  • Access & Security Integration: Integrate Horizon with Active Directory, certificate-based authentication (PKI), and conditional access policies to enforce secure connections.
  • Monitoring & Capacity Planning: Utilize tools like VMware vRealize Operations for Horizon to monitor performance, forecast capacity, and remediate resource bottlenecks.
  • Incident & Problem Resolution: Act as Level 2 escalation point for complex VDI issues, collaborating with network, storage, and security teams to resolve connectivity, image-management, and performance incidents.
  • Disaster Recovery & High Availability: Develop and test DR plans for Horizon components, ensuring RTO/RPO targets are met for business-critical VDI services.
  • Documentation & Training: Produce runbooks, SOPs, and knowledge articles; mentor junior engineers on Horizon best practices and troubleshooting workflows.

Requirements:

  • Bachelor’s degree in computer science, Information Technology, or related field.
  • Must have at least 5 years of hands-on experience administering VMware Horizon View VDI solutions in enterprise settings.
  • Proficiency with VMware vSphere (ESXi & vCenter) administration and Horizon Connection Server configuration.
  • Strong Windows Server, Active Directory, DNS, DHCP, and PKI integration skills.
  • Experience with UAG, load balancers, and SSL certificate management for secure external access.

Location and Working Conditions: At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

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