The Senior IT Support Technician role is responsible for resolving complex support requests with computer hardware, software, and network systems. They must have a strong background in IT and related fields, with certifications such as MCDST, MSCE Server, and CCNP. The ideal candidate will have 5 years of experience in MSP environment, excellent communication skills, and a 'can-do' attitude. Key responsibilities include building customer relationships, managing projects, and troubleshooting hardware and software issues. The role requires a high level of organization, time management, and attention to detail.