The Senior Infrastructure Analyst - L3 leads projects involving server and cloud migrations, provides advanced technical support, and mentors lower-tier staff. They effectively communicate with clients and teams, ensuring successful project delivery and support services.

The role involves delivering technical infrastructure projects, providing advanced IT support, and mentoring junior technical teams. It includes managing clients' migrations, software upgrades, and handling escalated support tickets.

The System Support Analyst provides technology support for end users, manages Microsoft 365, troubleshoots hardware, and maintains documentation. Responsibilities include remote support and client interaction.