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.

Key Tasks & Responsibilities

Citrix Environment Administration

• 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

System Operations & Optimization

• 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

User Access & Application Delivery Support

• 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

Infrastructure Integration & Coordination

• 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

System Maintenance & Lifecycle Management

• 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

Monitoring, Troubleshooting & Incident Response

• 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

Capacity Planning & Reporting

• 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

Required Technical Skills

• Citrix Virtual Apps and Desktops (CVAD) administration
• Citrix StoreFront, 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 PowerShell scripting for automation
• Experience with enterprise monitoring tools (e.g., SolarWinds, SCOM, or equivalent)
• ITIL Foundation certification or IT service management experience

Key Competencies

• Strong troubleshooting and analytical problem-solving skills
• Ability to manage high-availability enterprise environments
• Effective communication with technical and non-technical stakeholders
• Strong attention to detail and operational discipline
• Ability to prioritize and resolve multiple concurrent system issues
• Commitment to service reliability and user experience

Education & Experience

Education

• Bachelor's degree in Computer Science, Information Systems, Engineering, or related field

Experience

• 5-8 years of experience in system administration within enterprise IT environments
• Experience supporting Citrix Virtual Apps and Desktops or equivalent virtual application delivery platforms
• Experience in Windows Server environments and enterprise user access management

Certifications

• Citrix CCP-V (or CCA-V minimum)
• Windows Server Hybrid Administrator
• Security+
• ITIL certification preferred

Security Clearance

• Applicants must be able to obtain a Public Trust clearance