Job Summary This individual contributor is primarily responsible for performing complex systems analysis, providing support for enterprise systems, performing impact analyses of system changes, and working closely with engineering teams. Essential Responsibilitie s (The primary job duties this position is responsible for achieving are listed in order of importance.) Provides second level support for enterprise systems and systems in one or more additional IT domains by diagnosing, troubleshooting, and resolving complex incidents to minimize system issues. Supports stability, availability, and performance of enterprise systems (e.g., systems, applications, storage, security) by monitoring systems to identify problems, trends, and opportunities for improvement. Assists technical and project team members to resolve system problems and application specific issues. Escalates identified issues, risks or problems to lead administrators according to processes. Plans and performs complex system configuration. Supports communications with product users and suppliers to share information, identify opportunities, resolve problems, prioritize customer requirements, and maintain continuous improvement through customer feedback. Defines and tests maintenance and refresh activities. Participates in the installation, upgrade, or decommissioning of designated systems, products, and infrastructure. Assists with application-oriented administration and technical support for production and non production environments. Supports vendor support activities, as appropriate. Recommends and executes performance tuning and optimization activities. Creates documentation of new and existing system configuration and procedural information, and reviews documentation of others.