Senior Systems Admin - Windows/Linux, Cloud & Security

Precinmac in Dallas, TX is seeking a System Administrator III to manage, optimize, and secure our infrastructure. You will lead high‑level server, network, and cloud initiatives, provide Tier III incident resolution, and collaborate with Networking, Security, Helpdesk, and Application Support to ensure system reliability and security. The role requires 7+ years’ experience, and travel up to 20%, with preferred security and cloud certifications.