Lead Security Specialist

About the role

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Position Summary

Marathon Petroleum Company LP is seeking a Security Specialist to lead and continuously improve the security program at its Louisiana Refining Division in Garyville, LA. As a member of the Environmental, Safety & Security (ES&S) team, this individual will help protect our people, safeguard refinery operations, and strengthen emergency preparedness through effective security strategies, technology, and partnerships.

The role oversees the refinery's contract security workforce and ensures compliance with Maritime Transportation Security Act (MTSA) requirements, other applicable federal, state, and local regulations, and MPC standards. Working closely with refinery leaders, employees, contractors, and corporate security teams, this individual will address evolving security risks and build strong relationships with law enforcement, government agencies, first responders, and industry partners.

Key Responsibilities

• Lead contract security operations. Manage the contract guard force of approximately 50 personel, including daily activities, staffing, scheduling, and performance to provide consistent, professional security coverage.
• Shape the refinery's security strategy. Advise refinery leadership on security risks, priorities, and initiatives, translating emerging threats and operational needs into practical actions.
• Lead regulatory compliance. Develop and maintain facility security plans that meet applicable Department of Homeland Security (DHS), Department of Transportation (DOT), and other regulatory requirements.
• Manage site access. Oversee employee and contractor vetting and access controls to support secure, efficient entry consistent with regulations and MPC policies.
• Advance security technology. Evaluate the performance of security systems, prioritize maintenance, and identify technology upgrades that improve protection and reliability.
• Maintain clear, effective security procedures. Develop and update policies, plans, and procedures that employees and contractors can understand and apply.
• Assess and reduce security risks. Conduct Security Risk Assessments, identify vulnerabilities, and drive improvements that strengthen the refinery's security posture.
• Lead security investigations. Coordinate and conduct investigations, document findings, and recommend actions to address concerns and prevent recurrence.
• Strengthen emergency preparedness. Develop security contingency plans and coordinate the resources needed to respond to security incidents, emergencies, and crises.
• Provide security leadership during emergencies. Serve as the Facility Security Officer and coordinate security measures through the Incident Command Center during refinery events.
• Build strong internal partnerships. Work closely with the refinery's Environmental, Safety & Security Director, Corporate Security, and Corporate Safety and Security teams to align priorities and share effective practices.
• Maintain trusted external relationships. Partner with local, state, and federal law enforcement agencies and industry security and intelligence professionals to share information and support threat awareness and response.
• Sustain audit readiness. Maintain current documentation, routinely evaluate compliance, and resolve gaps to keep the security program ready for audits and inspections.
• Manage security budgets and investments. Develop capital and expense budgets, prioritize spending, and align resources with security risks and refinery needs.
• Plan security for turnarounds. Develop and implement detailed security plans that address increased staffing, contractor access, traffic, and other turnaround demands.

Minimum Qualifications

• High School Diploma or GED required.
• 10 or more years of law enforcement, military, or security-related field required.
• Exhibits advanced skills in developing, implementing, and managing processes and programs involving law enforcement and other security support programs.
• Demonstrates expert skills in gathering and assessing information related to potential security threats and developing appropriate preventive strategies within their area of assignment.
• Displays expert skills in coordinating efforts with internal and external resources to ensure restoration of critical systems and the proper support to all parties in the event of a security related event.
• Recognized as an expert in the security regulatory compliance programs within their area of assignment.
• Demonstrates the ability to lead investigative teams, conduct complex Code of Conduct investigations, and prepare for legal proceedings to which the company may be a party.
• Exhibits advanced skills is the development and preservation of evidence.
• Valid driver's license is required.

• As an energy industry leader, our career opportunities fuel personal and professional growth.
• Location: Garyville, Louisiana

Additional locations

• Job Requisition ID: 00025310
• Location Address: 155 Sugarcane Road

Education

Employee Group: Full time