The job description of an IT call center representative at Gilson Housing Partners includes providing bilingual support in English and Spanish, managing an average handle time of 2 minutes and 17 seconds, and addressing about 2,500 calls daily for over 100 Housing Authorities across the US. Responsibilities involve software technical support for business applications, hardware troubleshooting, server maintenance, compliance with licensing requirements, IT consulting, and communication with vendors with messaging and call system for effective problem resolution.