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© All Rights Reserved. ApplyBlast.com
HF Sinclair
The OT System Administrator is responsible for the secure day-to-day management and operation of OT systems and applications within the OT environment. This role serves as the primary point of contact for OT security, ensuring compliance with HF Sinclair standards and collaborating with site personnel to embed local processes. The position involves assessing system criticality, developing security requirements, and supporting the design and maintenance of DCS systems to ensure operational stability and safety.
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.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for HF Sinclair.