This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior IT System Administrator based in United States. This role offers the opportunity to manage and enhance enterprise IT infrastructure within a fast-growing, technology-driven environment.You will play a key role in maintaining secure, scalable, and reliable systems that support business operations worldwide.The position combines hands-on technical expertise, automation, security practices, and strategic infrastructure improvements.You will work across identity management, endpoint security, cloud platforms, and IT operations to drive efficiency.This is an opportunity for an experienced IT professional to influence technology decisions and improve how teams work.You will collaborate with cross-functional partners while building resilient systems and modernizing IT processes at scale.