Senior Platforms Engineer

Company: Marathon Petroleum
Location: Wharton
Posted on: January 21, 2026

Job Description:

Job Description 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 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 technological landscape, we are seeking a dynamic and experienced Senior Platforms Engineer to join our OT Windows team. This role combines deep technical expertise with strategic vision to deliver secure, scalable, and automated platform solutions across critical OT environments. A successful candidate will lead the design, implementation, and lifecycle management of mission-critical OT platforms across Windows and Linux environments. This includes partnering with IT, cybersecurity, and operations teams to deliver secure, scalable, and automated infrastructure solutions. This role demands a strategic mindset and deep technical expertise in enterprise systems, identity security, and cloud integration, ensuring platforms are resilient, compliant, and aligned with industry best practices. 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; 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 maintain enterprise-grade systems across Windows Server and Linux platforms, ensuring high availability and security in OT environments. Lead design and deployment of Active Directory and Linux directory services, including advanced configurations for forests, trusts, replication, and identity integration. Develop and enforce Identity and Access Management (IAM) strategies, including Identity Governance and Administration (IGA) and Privileged Access Management (PAM) solutions. Drive automation of system provisioning, configuration, and patching using advanced scripting (PowerShell, Bash, Python) and orchestration tools. Oversee software deployment and configuration management through SCCM, Intune, and Linux-native tools. Integrate and secure cloud platforms (Azure, AWS, or similar) for hybrid OT environments, ensuring compliance with organizational and regulatory standards. Collaborate with cybersecurity teams to implement zero-trust principles and enforce least-privilege access across all systems. Perform root cause analysis for complex system issues and lead remediation strategies to prevent recurrence. Produce and maintain comprehensive architectural documentation, operational procedures, and governance frameworks. Act as a technical advisor in a Scaled Agile (SAFe) environment, influencing system roadmaps and enterprise architecture decisions. Monitor and optimize system performance, implementing proactive measures for resilience and disaster recovery. Mentor junior engineers and contribute to knowledge-sharing initiatives across the organization. Education and Experience Bachelor's Degree in Information Technology, related field or equivalent experience. 5 years of relevant platforms engineer experience. Extensive experience in enterprise systems engineering, with proven leadership in designing and managing large-scale Windows and Linux environments required. Advanced knowledge of Windows Server (2016/2019/2022) and Linux distributions (RHEL, Debian, Ubuntu) required. Deep understanding of Active Directory architecture and Linux identity management (LDAP, Kerberos, SSSD) required. Proficiency in IAM, IGA, and PAM technologies (e.g., SailPoint, CyberArk) preferred. Strong scripting and automation skills across PowerShell, Bash, and Python required. Expertise in SCCM, Intune, and Linux-native configuration management tools required. Hands-on experience with cloud platforms (Azure, AWS) and hybrid integration strategies required. Proven track record of leading enterprise migrations and modernization initiatives preferred. Experience implementing zero-trust architectures and advanced security frameworks preferred. Familiarity with containerization and orchestration (Docker, Kubernetes) in OT contexts preferred. Knowledge of virtualization technologies (VMware, Hyper-V) and disaster recovery planning preferred. Skills 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 – 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 Automations – 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. System 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. System 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. TACorporate MINIMUM QUALIFICATIONS: Bachelor’s Degree in Information Technology, related field or equivalent experience. 5 years of relevant experience As an energy industry leader, our career opportunities fuel personal and professional growth. Location: Findlay, Ohio Job Requisition ID: 00019325 Pay Min/Max: $104,300.00 - $179,800.00 Salary Grade: 11 - 12 Location Address: 539 S Main St Additional locations: Denver, Colorado, Denver CO, Houston, Texas, Houston TX One Allen Center, San Antonio, Texas Education: Bachelors: Information Technology 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 talentacquisition@marathonpetroleum.com. 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.

Keywords: Marathon Petroleum, Sugar Land , Senior Platforms Engineer, IT / Software / Systems , Wharton, Texas