Intern, Internal Audit (Fall 2026)

About HF Sinclair

hfsinclair.com

HF Sinclair Corporation is a diversified energy company formed from the combination of HollyFrontier and Sinclair Oil; it is headquartered in Dallas, Texas and trades publicly (NYSE: DINO). The company refines and markets transportation fuels, renewable diesel and biodiesel, asphalt, lubricants and specialty hydrocarbon products, and also operates a branded retail network under the Sinclair name. HF Sinclair’s vertically integrated model spans refining, product manufacturing and marketing, serving wholesale, commercial and retail customers across the U.S. and North America. It is investing in lower‑carbon fuels and feedstock conversion to expand its renewable fuels and sustainability footprint.