The Sr. Infrastructure Engineer is responsible for designing, implementing, and supporting the infrastructure that powers Atlas Energy Solutions’ business and production operations across both IT and OT environments. This role ensures reliable, secure, and scalable platforms across manufacturing sites, remote locations, and corporate operations, including networking, virtualization, Windows server platforms, cloud infrastructure, identity services, monitoring, backup/DR, and cybersecurity controls. This position will work closely with Technology Operations, Automation/Controls, Cybersecurity, and vendors to maintain uptime for operational systems such as SCADA/ICS platforms, plant networks, and production-facing services, while also improving standards, resilience, and repeatability across the infrastructure footprint. This role will be based in Austin, TX, with travel as necessary up to 50% depending on the phases and needs of projects.