Senior Citrix Netscaler Engineer

Castillians

Citrix NetScaler Engineer responsible for application delivery infrastructure design and management at Castille Resources. The role requires extensive knowledge in Citrix ADC to support secure access and optimize performance.

Posted 7/1/2026contractRemote • 🇮🇪 IrelandSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCitrixCloudDNSGoogle Cloud PlatformSQLTCP/IP

About the role

Key responsibilities & impact

Configure and manage Citrix NetScaler Gateway for secure remote access, SSL offloading, and traffic management.
Implement Global Server Load Balancing (GSLB) and high availability (HA) solutions across multiple data centers.
Deploy and maintain Secure Private Access hybrid environments, ensuring integration with Citrix Workspace and StoreFront.
Configure SSL/TLS certificates for NetScaler Gateway, ensuring compliance with enterprise FQDN and certificate policies.
Implement Application Firewall (AppFW) and traffic policies to protect against web application threats.
Manage authentication profiles and integrate with OIDC/SAML IdPs for secure identity management.
Monitor ADC performance, troubleshoot latency issues, and optimize traffic flows.
Maintain system requirements: NetScaler versions 13.1/14.1 or later, Windows Server 2019+, SQL Server 2019/2022 for logging and monitoring.
Ensure communication ports and callback URLs are correctly configured for Secure Private Access.
Work closely with network, security, and application teams to align ADC solutions with business needs.
Document configurations, policies, and provide training to operations staff.

Requirements

What you’ll need

5+ years of hands-on experience with Citrix ADC/NetScaler in enterprise or telecom environments.
Strong knowledge of TCP/IP, DNS, HTTP/HTTPS, SSL/TLS, VPNs, and load balancing.
Experience with hybrid deployments (on-premises + cloud: AWS, Azure, GCP).
Familiarity with Citrix Virtual Apps/Desktops integration.
Knowledge of SQL Server for monitoring/logging databases.
Certifications such as Citrix Certified Professional – Networking (CCP-N) highly desirable.

Benefits

Comp & perks

Access to CX guidance and market insights through our professional network

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TCP/IPDNSHTTP/HTTPSSSL/TLSVPNsLoad BalancingSQL ServerApplication Firewall (AppFW)Traffic ManagementAuthentication Profiles

Soft Skills

CollaborationDocumentationTraining

Certifications

Citrix Certified Professional – Networking (CCP-N)