Sr System Administrator

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr System Administrator based in Brazil.

This is a senior infrastructure role for an experienced systems administrator who can take ownership of complex corporate environments and critical technical challenges. You will manage and optimize Windows, Linux, virtualization, storage, networking, backup, and hybrid infrastructure platforms. The role combines day-to-day administration with security hardening, vulnerability remediation, automation, and infrastructure transformation initiatives. You will be expected to investigate complex incidents through structured Root Cause Analysis and drive issues through to resolution. You will also contribute to migrations, infrastructure consolidation, disaster recovery, and technology transformation projects. The position is remote and suited to an autonomous professional who can communicate effectively in English and operate confidently in medium- and large-scale enterprise environments.