NGINX Admin

Provide advanced administration, configuration, and troubleshooting support for Nginx and WAS environments, ensuring optimal system performance, stability, and scalability.

Responsibilities

 Manage and troubleshoot Nginx server configurations and performance issues.
 Configure and optimize:
• Reverse proxy setups
• Load balancing and routing rules
• SSL/TLS configurations
 Perform performance tuning (caching, compression, worker settings).
 Handle incident calls, conduct in-depth technical analysis, and provide resolution.
 Perform Root Cause Analysis (RCA) for major incidents.
 Implement change requests, deployments, and configuration updates.
 Should have hands-on experience on Linux commands.
 Shell Scripting knowledge.
 Additionally Administer and troubleshoot WebSphere Application Server environments:
• IHS & WAS installation and configuration
• Application deployment
• Cluster and node management
• JVM tuning and analysis
 Develop and maintain technical documentation and SOPs

Requirements

Key Skills:

Nginx Administration, WebSphere, WAS, Linux, Reverse Proxy, Load Balancer, Performance Tuning, SSL/TLS, HTTP Debugging, 4xx, 5xx, JVM Tuning, Deployment, Incident Management, RCA, Shell Scripting, Production Support

Technical Requirements:

Primary – Nginx
 Strong expertise in:
• Nginx architecture and configuration
• Reverse proxy and load balancing (Layer 4/Layer 7)
• URL rewriting and request routing
• SSL/TLS troubleshooting
 Experience in:
• Performance tuning
• Debugging HTTP errors (4xx/5xx)

Secondary – WAS & IHS
 Hands-on experience with:
• WebSphere Application Server administration
• Application deployments and troubleshooting
• JVM tuning and performance analysis

 Knowledge of:
• Clusters, nodes, and federated environments

Other Skills
• Linux/Unix administration
• Shell scripting (preferred)
• Monitoring tools (AppDynamics, Dynatrace, Prometheus)

Key Competencies
• Strong analytical and problem-solving skills
• Ability to handle production-critical issues
• Leadership and mentoring abilities
• Effective stakeholder communication

Key Performance Indicators (KPIs)
• Complex incident resolution efficiency
• RCA quality and prevention of recurring issues
• System performance improvements
• Change success rate
• Team mentoring effectiveness