Lead Platform Engineer

We are seeking an experienced Senior Platform Engineer with strong expertise in Citrix NetScaler ADC/Load Balancer technologies. The successful candidate will be responsible for designing, implementing, managing, and optimizing highly available application delivery platforms across enterprise environments.This role requires hands-on experience with Citrix ADC load balancing, SSL offload, application security, traffic management, automation, troubleshooting, and platform engineering practices.Key ResponsibilitiesDesign, deploy, configure, and manage Citrix ADC/NetScaler appliances and virtual appliances.Implement load-balancing solutions using HTTP/HTTPS, TCP, SSL, DNS, GSLB, and other protocols.Configure and manage:Virtual servers and service groupsServer objects and monitorsContent switchingResponder and rewrite policiesSSL offload and certificate managementURL transformations and HTTP calloutsPersistence methods and traffic policiesGlobal Server Load Balancing (GSLB)High availability and disaster recoveryPerform Citrix ADC upgrades, patching, migrations, capacity planning, and lifecycle management.Troubleshoot complex application, network, performance, and connectivity issues across OSI layers.Monitor platform health, traffic patterns, latency, availability, and capacity.Collaborate with application, network, security, cloud, and infrastructure teams to onboard applications and resolve production issues.Define and maintain platform standards, implementation patterns, operational procedures, and technical documentation.Support incident, problem, and change management processes.Participate in on-call rotations and provide production support for critical applications.Automate repetitive operational tasks using PowerShell, Python, Ansible, Terraform, or Citrix Nitro API.Integrate Citrix ADC with monitoring, logging, alerting, ITSM, and security tools.Lead technical reviews, root-cause analysis, performance tuning, and continuous improvement initiatives.Ensure solutions comply with security, availability, resiliency, and governance requirements.Required QualificationsBachelor's degree in computer science, Information Technology, Engineering, or a related field, or equivalent experience.7+ years of experience in infrastructure, platform engineering, network engineering, or application delivery.5+ years of hands-on experience with Citrix NetScaler ADC/Load Balancer.Strong knowledge of Citrix ADC architecture, including:Load balancing and content switchingSSL bridging and SSL offloadResponder and rewrite policiesGSLB and DNSAuthentication and authorization policiesHigh availabilityCitrix ADC licensing and configuration managementExperience with Citrix ADC command-line interface, GUI, configuration files, and troubleshooting utilities.Strong understanding of TCP/IP, HTTP/HTTPS, DNS, TLS/SSL, certificates, routing, firewalls, NAT, and network security.Experience troubleshooting application delivery issues involving web servers, application servers, databases, and network infrastructure.Experience supporting highly available, business-critical production environments.Strong scripting or automation experience using PowerShell, Python, Bash, Ansible, Terraform, or REST APIs.Excellent documentation, communication, analytical, and problem-solving skills.Preferred QualificationsCitrix Certified Professional - Networking (CCP-N) or Citrix Certified Expert - Networking (CCE-N).Experience with Citrix ADC VPX, MPX, SDX, or cloud-based ADC deployments.Experience with Citrix ADM for centralized management, analytics, and orchestration.Experience with Azure, AWS, or Google Cloud networking and load-balancing services.Knowledge of Kubernetes ingress controllers, containers, service mesh, or microservices architectures.Experience with CI/CD pipelines and infrastructure-as-code practices.Familiarity with F5 BIG-IP, A10, HAProxy, NGINX, or equivalent application delivery technologies.Experience with observability tools such as Splunk, Dynatrace, AppDynamics, Grafana, Prometheus, or similar platforms.Knowledge of ITIL, DevOps, SRE, or platform engineering methodologies.Experience with vulnerability remediation, security hardening, and compliance audits