HF Sinclair is seeking a Network Engineer based in Dallas, TX.  This role is a senior-level technical role responsible for the architecture, design, implementation, and operational support of enterprise network and connectivity services across on‑premises, hybrid, and cloud environments. This role serves as a subject matter expert for complex network technologies, provides technical leadership for large initiatives, and partners closely with infrastructure, security, cloud, and application teams to deliver resilient, scalable, and secure connectivity solutions that supp...