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Location Name: Findlay, OH 
Location Address: 539 S Main St, Findlay, OH, United States (US), 45840
Education Level: Bachelor's Desired 
Relevant Experience Level: Mid Career (4-10 Years) 
Employee Group: Regular - Full Time
Employee Subgroup: Salaried Exempt



The OT Cybersecurity Professional will operate within our industrial control system and operating technology environments to advise and assist with the establishment and enhancement of Cybersecurity postures. This position will be a trusted subject matter expert in developing OT Cybersecurity architectures, guiding and developing Cybersecurity postures, and being a resource to ensure Marathon Petroleum is protecting process critical operating technology.



  • 8+ years of cybersecurity experience, at least 3 of which were spent securing critical infrastructure/ ICS, OT; to include DCS, PCS, SCADA systems, PLCs, RTUs, etc.
  • Ability to apply skills across a broad range of cybersecurity domains (i.e. Network, Endpoint, Application, Encryption, User Access)
  • Experience with Oil and Gas, Energy and Building/Facility Management Systems
  • Familiarity with ICS-related communications protocols (e.g., MODBUS, DNP3, S7, etc.)
  • Experience securing cross-domain IT/OT communications and pathways to/from Business Networks, third parties, and wide area ICS/OT networks
  • Highly competent in zone and conduit architectures and cybersecurity approaches
  • Experience engineering security solutions for real-time and/or performance-sensitive systems
  • Understanding of time delayed communications & networks
  • Experience creating Functional Design Specifications and Detailed Design Specifications
  • Highly proficient with Microsoft Visio and documenting ICS/OT infrastructures
  • Experience completing cybersecurity assessments based on frameworks such as NIST 800- 53/800-82, IEC 62433, API 1164, RG 5.71, NEI 08-09, ISA, etc.
  • Experience designing and conducting Facility and Security Site Acceptance Testing
  • Experience applying application whitelisting solutions and other security tools in ICS environments
  • Working knowledge of system security design process, defense-in-depth/breadth, engineering lifecycle, information domains, cross-domain solutions, identification, authentication, and authorization, system integration, risk management, intrusion detection, contingency planning, incident handling, configuration control, change management, auditing, certification and accreditation process, principles of IA (confidentiality, integrity, non-repudiation, availability, access control), and security testing
  • Ability to clearly communicate ideas and explain technical knowledge in business language to management and other stakeholders
  • Ability to research and engineer new cybersecurity solutions and write research papers, proposals and presentations
  • Understands threat landscape of network-connected ICS technology
  • Strong technical writing skills
  • Understands fundamentals of technical security risk assessment




  • A Bachelor's degree is preferred from an accredited college or university in Computer Science, Information Technology, Cybersecurity, Electrical Engineering or a related discipline.
  • Eight (8) years of experience in managing and developing Information Security and/or other technology teams is preferred. GICSP, CISSP, ISA, CCNA, CCNA-Security certifications are strongly preferred.



About Marathon Petroleum Corporation



Marathon Petroleum Corporation (NYSE: MPC) is a large-scale geographically-diversified and highly -integrated refining, marketing and midstream company. MPC is the nation's largest refiner, with a crude oil refining capacity of more than 3 million barrels per calendar day in its 16-refinery system. MPC's high-quality, nationwide retail and marketing business includes approximately 3,900 company-owned and -operated stores and 7,800 branded locations. MPC owns the general partners of MPLX LP and Andeavor Logistics LP, two strong, customer-focused midstream master limited partnerships.


Job Function: InfTech
Travel Expected: Up to 25%



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, 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 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.

Equal Opportunity Employer: Veteran / Disability

Marathon Petroleum Company LP participates in the E-Verify program in some states in which it operates (including AL, AZ, GA, MS, NC, SC, TN, and UT). For more information before proceeding, please see details in English or Spanish. Right to Work Statement English or Spanish.

Nearest Major Market: Lima
Nearest Secondary Market: Findlay

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