Senior Systems Administrator

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Systems Administrator based in United States. We are seeking an experienced Senior Systems Administrator to help maintain and evolve secure, reliable, and scalable technology infrastructure. In this hands-on role, you will manage hybrid cloud and on-premises environments, with a strong focus on Microsoft 365 and Azure Government Cloud. You will provide advanced technical support, strengthen cybersecurity controls, and improve system performance, availability, and operational efficiency. Working across infrastructure, security, and technology operations, you will lead technical initiatives and help ensure systems remain resilient and compliant. This opportunity is ideal for a proactive problem-solver who values automation, continuous improvement, and operational excellence in a mission-critical environment.