An exciting career awaits you 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 This Senior Platform Engineer position supports the Measurement, Accounting & Scheduling (MAS) team as a subject matter expert for FLOWCAL, TESTit, and the broader Quorum application ecosystem. Its advanced technical expertise spans platform engineering and operations (production support, troubleshooting, performance optimization, and operational reliability) and data capabilities, including measurement data management, system integrations, data engineering, migrations, and reporting. The role maintains reliable, scalable MAS platforms in partnership with business and technical teams. By resolving complex technical issues and improving platform performance and supportability, it enables application initiatives, operational improvements, strategic growth, and M&A activities. 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. Key Responsibilities · 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; establishes and maintains MAS platform monitoring, performance metrics, and observability capabilities to proactively identify system health, performance, capacity, and availability concerns; 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. Supports MAS platform integrations, system upgrades, migrations, deployments, and other technology initiatives. 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. · Supports the engineering, configuration, integration, maintenance, and optimization of FLOWCAL, TIPS, TESTit, and related MAS/Quorum technologies, including measurement data management, reporting, data engineering, migrations, and production support. Partners across business and technical teams to support operational improvements, strategic initiatives, and M&A activities involving MAS platforms and data. Education and Experience Bachelor’s Degree in Information Technology, related field or equivalent experience preferred 5+ years of relevant experience required Experience supporting FLOWCAL and measurement systems/processes required. Experience with SQL required. Experience with enterprise application and platform management, support, and lifecycle practices preferred. Experience with data management, systems integration, and technical problem-solving preferred. Experience with infrastructure, platform reliability, automation, and security practices preferred. Skills 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 Management refers to a systematic approach for defining and implementing procedures and/or technologies to deal with changes in the environment. It can mean adapting to change, controlling change and/or effecting change. Cloud Infrastructure Management - Setting up, configuring, monitoring, and optimizing the components of cloud infrastructure. Computer Networking - A system in which multiple computers are connected to each other to share information and resources. Cybersecurity Risk Management - The process of developing cyber risk assessment and treatment techniques that can effectively pre-empt and identify significant security loopholes and weaknesses, demonstrating the business risks associated with these loopholes and providing risk treatment and prioritization strategies to effectively address the cyber-related risks, threats and vulnerabilities, ensuring appropriate levels of protection, confidentiality, integrity and privacy in alignment with the security framework. DevSecOps - A set of practices that automates the integration of security at every phase of the software development lifecycle, from initial design through integration, testing, deployment, and software delivery, with an aim towards shortening the systems development life cycle and pas well as continuous delivery and a security first approach. General Programming - Applies a computer language to communicate with computers using a set of instructions and to automate the execution of tasks. Infrastructure as Code (IaC) - The process of managing and provisioning infrastructure through code instead of through manual processes. IT Infrastructure Management - Planning, design, delivery and control of information technology infrastructure. Performance Monitoring - The process of measuring the performance of a system in real time in order to determine problems and identify other factors that may cause problems in the future. Policy Management - The process of creating, implementing and maintaining policies and procedures within an organization. Process Automation - Also known as business automation or digital transformation, this is the technology-enabled automation of complex business processes. It can streamline a business for simplicity, achieve digital transformation, increase service quality, improve service delivery or contain costs. It consists of integrating applications, restructuring labor resources and using software applications throughout the organization. Service Delivery Management - The manner in which an organization provides users access to IT services, which include applications, data storage and other business resources. Systems Administration - Performs a variety of functions including user management, system monitoring, system configuration, performance tuning, backup and recovery, and access control. System Platform- A system platform refers to the underlying foundation or framework that supports and manages the operation of software applications and hardware components within a computing environment. It provides a standardized and cohesive infrastructure, allowing for the development, deployment, and integration of various technologies and services. Systems Testing - The process of testing conducted on a complete integrated system to evaluate the system's compliance with its specified requirements. Systems Integration - The process of linking together various IT systems, services and/or software to enable all of them to work functionally together. Troubleshooting - The act or process of discovering and resolving problems, disputes, or mechanical issues through a systematic, usually iterative, approach. Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. External Field. As an energy industry leader, our career opportunities fuel personal and professional growth. Location: Denver, Colorado Job Requisition ID: 00025063 Pay Min/Max: $106,900.00 - $184,300.00 Salary Grade: 11 - 12 Location Address: 1515 Arapahoe St Twr1 Ste 1600 Additional locations: Canonsburg, Pennsylvania, Findlay, Ohio, Houston, Texas, San Antonio, Texas Education: Employee Group: Full time Employee Subgroup: Regular Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant, click here. If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at [email protected]. Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at mympcbenefits.com. The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program. Equal Opportunity Employer: Veteran / Disability We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role. About Marathon Petroleum Corporation Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.

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