Senior Cybersecurity Engineer, GRC Automation and Continuous Control Monitoring

Job overview

The Senior Cybersecurity Engineer is an onsite role based in Rio Medina, TX, responsible for GRC automation and continuous control monitoring. Compensation is not specified for this position, which supports Marathon Petroleum's mission to turn GRC into a trust engine for the business. This role serves as the technical focal for GRC automation, developing automated evidence collection, control testing, and AI-enabled governance capabilities. The engineer will collaborate with Cyber Fusion and Enterprise Architecture to build deterministic control-testing logic and LLM-backed workflows to improve risk visibility and audit readiness.

What you'll do

• Conducts detailed analyses on cybersecurity solutions to assess control effectiveness.
• Leverages compliance frameworks to ensure security across systems.
• Analyzes business impacting events and leads efforts for implementing automation and remediation activities.
• Monitors emerging AI and cybersecurity technologies.

What we're looking for

Skills & competencies

full-time

day shift

rio medina tx

marathon petroleum

cybersecurity

grc

automation

ccm

risk management

onsite

Work arrangement

• Weekend coverage required

Benefits & perks

• Health, vision, and dental insurance, paid time off, 401k matching, paid parental leave, educational reimbursement, and discretionary annual bonus.

Why this role

Focus on GRC automation, CCM, and LLM-backed agentic workflows.

About the employer

Marathon Petroleum is hiring for this role. Industry: Engineering Services. Sector: 54.