IT Senior Specialist

Responsibilities

• Analyze and resolve complex Windows, desktop application, web application, and network connectivity issues affecting employee productivity
• Investigate application slowness, crashes, failed transactions, intermittent errors, authentication failures, and service accessibility problems
• Establish incident scope and business impact; reproduce symptoms and isolate the affected technical layer through structured testing
• Examine Windows event logs, application logs, resource utilization, network connections, and browser diagnostics to develop and test troubleshooting hypotheses.
• Understand business application dependencies and communication flows, including DNS, proxies, identity providers, APIs, application servers, and databases.
• Distinguish device-specific problems from shared service failures by comparing affected and unaffected users, workstations, locations, and application behavior
• Prepare actionable escalations with timestamps, reproduction steps, error codes, relevant logs, diagnostic results, and a clear explanation of findings and actions already taken
• Coordinate with infrastructure, network, security, database, application, and development teams; retain ownership of communication and follow-up through resolution
• Install, configure, and deploy Windows operating systems and business applications using standardized images, packages, and endpoint management tools
• Automate OS and application installation, configuration, updates, and routine daily support tasks using PowerShell and approved deployment tools

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