Senior Platforms Engineer

Senior Platforms Engineer

At Marathon, we are trailblazers in the Oil & Gas industry, driving innovation and creating value through cutting-edge digital platforms and infrastructure. Our Midstream IT organization supports Marathon's Midstream Business Units, including Gathering, Transporting, Storing, Processing, and Distributing Oil & Gas products. We take pride in our ability to deliver high-quality services and transformative solutions that enhance operational performance.

As we continue to transform the Midstream technology landscape, we are seeking a dynamic and experienced Senior Platforms Engineer to join our Infrastructure Engineering & Operations organization. This role combines deep technical expertise with strategic vision to deliver secure, scalable, automated, and highly available infrastructure platforms that support critical business and operational workloads.

A successful candidate will lead the design, implementation, automation, and lifecycle management of enterprise compute, storage, and virtualization platforms. This includes partnering with platform engineering, cybersecurity, architecture, and operations teams to deliver reliable and supportable infrastructure solutions while advancing Infrastructure as Code (IaC), CI/CD pipelines, Git-based development practices, and modern automation frameworks. The ideal candidate will possess deep expertise in compute architecture, SAN storage, systems integration, scripting, and infrastructure automation, enabling the delivery of repeatable, scalable, and resilient platform services that support Marathon's long-term technology strategy.

This position belongs to a family of jobs with increasing responsibility, competency, and skill level. Actual position title and pay grade will be based on the selected candidate's experience and qualifications.

• Identifies performance bottlenecks, conducts root cause analysis, and proposes and implements solutions to enhance platform & system performance and resource utilization. Establishes performance benchmarks, conducts capacity planning, and collaborates with other teams, including junior engineers and cross functional teams to optimize infrastructure performance and activities.
• Contributes to the development and improvement of troubleshooting procedures, measures to minimize platform & system downtime, and documentation. Partners with vendor technical support to drive for resolution. Leads and manages platform & system technical support activities and troubleshooting efforts, including handling escalated and complex issues. Performs advanced system tuning and optimization to maximize performance using IT Service Management practices. Collaborates with internal teams to enhance support processes and methodologies.
• Participates in future platform & system backup planning. Leads the design of disaster/system recovery and testing.
• Analyzes performance and utilization data to identify trends and patterns; provides recommendations for optimization and improvement; prepares comprehensive reports on infrastructure performance; and implements corrective actions to drive continuous system improvements
• Leads the design and configuration of complex platforms & systems, considering best practices and industry standards. Leads ongoing compliance with original design and configuration and corrects for deviation from standards. Builds and deploys highly available and scalable infrastructure solutions.
• Leads the creation and maintenance of a comprehensive knowledge base for platforms & systems, including troubleshooting guides, configuration documentation, and best practices. Promotes knowledge sharing culture by organizing training sessions, mentoring junior engineers, and encouraging cross-team collaboration.
• Design, implement, and support SAN storage platforms, ensuring performance, availability, resiliency, and alignment with business continuity and disaster recovery requirements.
• Develop and maintain Infrastructure as Code (IaC), automation frameworks, and automated provisioning, configuration, and validation capabilities for infrastructure platforms.
• Implement and support Dev Ops practices, including CI/CD pipelines, Git-based workflows, code reviews, automated testing, and deployment automation to improve platform reliability and operational efficiency.

• Bachelor's Degree in Information Technology, related field or equivalent experience.
• 5+ years of relevant platforms engineer experience.

• Adaptability
  - Maintaining effectiveness when experiencing major changes in work responsibilities or environment (e.g., people, processes, structure, or culture); adjusting effectively to change by exploring the benefits, trying new approaches, and collaborating with others to make the change successful.
• AI Fundamentals
  - Understanding of core AI concepts and methods, ability to apply AI to job-relevant use cases and capacity to contribute to organizational AI reimagination.
• Change Management
  - Change…