Responsibilities include supporting and assisting end users, receiving escalations from Level 1 teams, and collaborating with other IT support groups and external vendors to resolve Level 2 issues. The role also involves installing and supporting end-user devices, related software, and other local infrastructure components. Key tasks include identifying, diagnosing, and resolving Level 2 issues impacting company-provided hardware and software. Incident and request management is handled in the ticketing system by defined SLAs, with additional support provided for I service management activities. Finally, responsibilities include administering user and computer objects in Active Directory and managing infrastructure using relevant tools.