Job Description

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

Preferred Skills

• 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

Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations.

Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at hr@cwsc.com