The IT Administrator's responsibilities include providing part-time support for day-to-day IT operations, troubleshooting technical issues, and resolving issues as they arise. They will also advise on IT-related matters, manage access to company tools, assist with tasks in Google Workspace, and support Google Cloud-related matters. The IT Administrator will also remotely configure company laptops, help implement and maintain IT security protocols, advise on system use, and improve IT-related processes for onboarding and offboarding. The role involves maintaining documentation, optimizing workflows, and offering expert input on internal systems to ensure operational efficiency.