Cybersecurity Engineer, Detection Engineer

Marathon Petroleum Corporation • San Antonio, TX, United States • Posted June 11, 2026

Location San Antonio, TX
Job Type Full-time
Category other-general
Posted June 11, 2026
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Position Summary (please include a position summary)

The Senior Cybersecurity Engineer, Cyber Threat Detection plays a critical role in safeguarding Marathon Petroleum Corporation’s digital and operational assets across enterprise IT and industrial control systems (ICS/OT). This position is responsible for engineering and optimizing threat detection logic to identify, analyze, and respond to emerging cyber threats targeting both business and field operations, including refineries, pipelines, terminals, and remote industrial facilities.

Working as part of the Cyber Threat Operations team within the Cyber Fusion Center, the engineer will translate complex threat intelligence into high-fidelity detection capabilities, develop automated...

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