System Administrator Citrix

Computer World Services Corp (CWS) is seeking a detail-oriented and results-driven System Administrator – Citrix who is responsible for the administration, configuration, optimization, and operational support of enterprise Citrix environments supporting NIEHS mission‑critical applications. This role ensures secure, reliable, and high‑performing virtual application and desktop delivery services across the enterprise.

The Citrix Administrator provides advanced systems administration support within a complex, multi‑platform environment, ensuring system availability, performance optimization, capacity planning, and effective user access to business systems.

• Supervise and manage daily configuration and operation of Citrix infrastructure, including Citrix Virtual Apps and Desktops environments
• Maintain availability, performance, and stability of virtual application delivery services
• Manage Citrix farms, delivery controllers, storefronts, and supporting infrastructure components
• Ensure proper provisioning and management of virtual desktops and published applications

• Monitor system performance, resource utilization, and capacity across Citrix environments
• Plan and implement system optimization strategies to ensure high availability and efficient resource usage
• Analyze system metrics and performance trends to support capacity planning and scaling decisions
• Perform proactive maintenance to prevent service degradation and outages

• Plan and monitor assistance to users accessing business systems through Citrix platforms
• Troubleshoot user connectivity, session performance, and application access issues
• Ensure secure and reliable remote access to enterprise applications
• Coordinate with service desk and infrastructure teams to resolve access‑related incidents

• Coordinate Citrix infrastructure with Windows Server, Active Directory, and network services
• Support integration with enterprise applications, databases, and backend systems
• Collaborate with system administrators, network engineers, and application teams to ensure seamless service delivery
• Support infrastructure upgrades, patches, and system migrations impacting Citrix environments

• Perform system upgrades, patching, and maintenance of Citrix components
• Ensure compliance with vendor recommendations, security standards, and enterprise policies
• Support lifecycle management of Citrix infrastructure, including version upgrades and platform modernization
• Maintain documentation of configurations, changes, and operational procedures

• Monitor Citrix system health, availability, and performance metrics
• Diagnose and resolve complex system issues across virtual delivery environments
• Provide escalation support for high‑impact incidents affecting end‑user access
• Participate in on‑call rotation for critical system support

• Conduct system capacity analysis for Citrix infrastructure and supporting components
• Forecast resource needs based on usage trends and organizational growth
• Provide regular reports on system performance, utilization, and availability
• Recommend improvements to optimize system efficiency and user experience

• Citrix Virtual Apps and Desktops (CVAD) administration
• Citrix Store Front, Delivery Controllers, and associated infrastructure components
• Windows Server administration and Active Directory integration
• System performance monitoring and capacity planning
• User access management and remote application delivery support
• Troubleshooting complex virtual environment issues
• Understanding of TCP/IP networking and infrastructure connectivity

• Experience supporting Federal or NIH environments
• Familiarity with VMware vSphere environments
• Experience with hybrid cloud environments (e.g., Azure integration)
• Knowledge of Power Shell scripting for automation
• Experience with enterprise monitoring tools (e.g., Solar Winds, SCOM, or equivalent)
• ITIL Foundation certification or IT…