IT Refining On-Site Manager

Marathon Petroleum; Garyville (LA); On-site; USD 140,000 - 190,000; Full time

Job summary

Marathon Petroleum's Garyville Refinery seeks an IT Refining On-Site Manager to lead local IT and OT operations, ensuring safe, reliable, and secure services while aligning with technology roadmaps and strategic initiatives.

You will manage staff, develop talent, drive continuous improvement, partner with digital teams, and oversee cybersecurity, SCADA/DCS/PLC environments, plus vendor relationships to deliver business value onsite.

Qualifications

• Bachelor's degree required in a computer-related field or engineering.
• 10+ years of diversified IT experience.
• 3+ years of leadership experience in IT/OT environment.
• OT infrastructure experience preferred.

Responsibilities

• Oversee daily IT/OT operations and mentor staff to foster innovation and continuity.
• Plan and lead low- to medium-complexity IT projects within budget and time constraints.
• Ensure availability, reliability and security of IT/OT systems and collaborate with stakeholders.
• Manage OT operations (SCADA/DCS/PLC) and coordinate with refining business teams.
• Lead cybersecurity measures, risk assessments, and regulatory compliance (NIST/IEC 62443/OSHA/EPA).
• Oversee vendor/contractor performance and lifecycle management of assets.

Skills

Leadership

IT Strategy

OT Security

SCADA/PLC

SAFe/Agile

Education

Bachelor's degree in CS/IT/Engineering

Job description

At MPC, we're committed to being a great place to work - one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.

Position Summary

The IT Refining On-Site Manager oversees all local information Technology (IT) and Operational Technology (OT) operations to ensure safe, reliable, and secure IT & OT services for the Garyville Refinery. This pivotal role will contribute to and help support the strategy realization, technology roadmaps, innovation, and drive the delivery of business value for the refinery. This role will work closely with peers across digital and business partners to ensure the team is embedded with stakeholders while developing talent and fostering a culture of continuous improvement. Accountable for business results primarily achieved through the work of others. Manages staff, sets direction, and deploys resources. Has responsibility for employee development, performance reviews, pay reviews, and staffing decisions. Accountable for business, functional or operational areas, processes, or programs.

Key Responsibilities

• Manages daily operations of the team, providing guidance, mentorship, and driving a culture of innovation and continuous improvement. Oversees recruitment, development, retention, and performance to build strong talent.
• Plans and leads low‑to‑medium‑complexity IT projects, ensuring they are delivered on time, within budget, and adhere to quality standards.
• Ensures the availability, reliability, and security of technology systems. Collaborates with key stakeholders and internal groups to identify needs, deliver effective solutions, and support business objectives.
• Ensures safe, reliable and secure operations of Operational Technology (OT), partnering with enterprise IT & refining business to maintain, upgrade, and optimize critical refinery process control systems (SCADA, DCS, PLCs).
• Manages Cybersecurity & Compliance by implementing robust cybersecurity measures across IT and OT environments, conducts vulnerability assessments in partnership with enterprise IT, leads incident response, and ensures compliance with industry standards, safety, and environmental regulations (e.g., NIST, IEC 62443, OSHA, EPA).
• Ensures high availability, redundancy, and segmentation of refinery networks, ensure IT controls are applied at the site, and oversees lifecycle management of hardware and software assets.
• Supports IT product teams in securing business buy‑in, deploying and driving adoption of digital transformation initiatives at the site, including but not limited to IoT, edge computing, and digital twin.
• Champions the mobility and connectivity strategy for all field devices, acting as the key liaison and leading initiatives to improve device reliability and user experience in the field.
• Oversees contracts and performance of vendors and contractors providing IT / OT systems, specialized refinery software, and network services, aligning external resources with operational goals and technology roadmaps.

Education and Experience

• Bachelor's degree in Computer Science, Information Technology, Management Information Systems, Engineering, Business, or other computer‑related degree required.
• Ten (10) or more years of diversified IT experience required.
• Three (3) or more years of direct or indirect leadership experience required.
• Experience with Operational Technology (OT) infrastructure preferred.
• Experience with Portfolio and Product management, particularly in an Agile or Scaled Agile Framework (SAFe) environment preferred.

Skills

• Strategic Outlook - Examines issues, generates ideas, creates future scenarios, and develops plans with a long‑term perspective. Ensures short‑term goals support long‑term strategy and that organizational/functional strategy aligns with and supports MPC's overall business strategy.
• Business Acumen - Applies knowledge of MPC's business, industry, and the marketplace to advance the organization's goals. Makes decisions and recommendations clearly linked to MPC's strategy.
• Results Driven - Drives operational and process excellence and innovative behaviour by empowering others, collaborating, taking appropriate risks, making timely decisions, and holding people accountable for results.Authentic Communicator - Expresses ideas and information, both verbally and in writing, clearly and credibly. Listens to understand and fosters constructive dialogue.
• Continuous Improvement Mindset - Identifies and leads opportunities for continuous improvement and value creation, both incremental and large‑scale.
• Energizing the Organization - Creates a purposeful, engaged, optimistic workforce.
• Ongoing Learning & Self-Development - Regularly determines new areas for learning and acquires strategies and best practices for gaining/improving knowledge, behaviors, and skills.
• Selecting and Developing People - Recognizes and selects high caliber talent, accurately assesses abilities and potenti