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Ot Engineer Jobs in Illinois (NOW HIRING)

OT Consultant

Kilbourne, IL · On-site

$110K - $150K/yr

Coordinate with factory SMEs, OT engineers, automation vendors and business users. * Participate in requirement workshops, design reviews and project governance meetings. * Prepare technical ...

OT/IoT Security

Chicago, IL · On-site

$60 - $70/hr

Coordinate with factory SMEs, OT engineers, automation vendors and business users. Participate in requirement workshops, design reviews and project governance meetings. Prepare technical ...

As an OT Specialist Systems Engineer at Fortinet, you will play a critical role in supporting our sales engineering and sales teams, delivering tailored cybersecurity solutions that address the ...

As an OT Specialist Systems Engineer at Fortinet, you will play a critical role in supporting our sales engineering and sales teams, delivering tailored cybersecurity solutions that address the ...

As an OT Specialist Systems Engineer at Fortinet, you will play a critical role in supporting our sales engineering and sales teams, delivering tailored cybersecurity solutions that address the ...

IT/OT Systems Engineer Here at Siemens, we take pride in enabling sustainable progress through technology. We do this by empowering customers through the combination of the real and digital worlds ...

... OT engineers, automation vendors and business users. ▪ Participate in requirement workshops, design reviews and project governance meetings. ▪ Prepare technical documentation including HLD, LLD ...

$112K - $152K/yr

Collaborate with IT, Engineering, and Operations teams to integrate cybersecurity into automation and infrastructure projects. Manage relationships with external vendors and service providers ...

Work with OT asset owners to remediate asset or vulnerability issues. • Engage the OT Passive monitoring vendor for improvement, enhancement, and troubleshooting. • Engage the business for ...

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Showing results 1-20

Ot Engineer information

See Illinois salary details

$9

$45

$85

How much do ot engineer jobs pay per hour?

As of Aug 31, 2026, the average hourly pay for ot engineer in Illinois is $45.63, according to ZipRecruiter salary data. Most workers in this role earn between $34.71 and $58.94 per hour, depending on experience, location, and employer.

What is an OT engineer?

OT (Operational Technology) Engineers are professionals who design, implement, and maintain systems that control and monitor industrial processes, such as manufacturing, energy, and utilities. They focus on the hardware and software that directly manage physical devices and operations, ensuring the reliability, efficiency, and security of critical infrastructure. OT Engineers often work at the intersection of IT (Information Technology) and industrial operations, integrating traditional engineering with modern digital solutions to enhance automation and safety.

What are some common challenges OT engineers face when integrating new technologies with existing industrial control systems?

OT Engineers often encounter challenges when integrating new technologies with legacy industrial control systems, as compatibility issues and outdated protocols can create obstacles. Ensuring minimal downtime during upgrades and maintaining the security of critical systems are also top concerns. Collaboration with IT professionals and plant operators is essential to successfully implement changes while preserving system reliability and safety. Staying up-to-date with industry standards and best practices helps address these integration challenges effectively.

What are the key skills and qualifications needed to thrive as an OT engineer, and why are they important?

To thrive as an OT (Operational Technology) Engineer, you need a solid background in industrial automation, control systems, and network infrastructure, typically supported by a degree in engineering or a related field. Familiarity with PLCs, SCADA systems, industrial protocols, and relevant certifications such as ISA or CompTIA are highly valuable. Excellent problem-solving abilities, attention to detail, and effective communication skills help in collaborating with cross-functional teams and responding to critical technical issues. These skills ensure the reliability, security, and efficiency of industrial operations, which are vital for minimizing downtime and maintaining safety.

What is the difference between Ot Engineer vs Speech-Language Pathologist?

Ot EngineerSpeech-Language Pathologist
Typically holds a degree in engineering or related technical fieldHolds a master's degree in speech-language pathology
Works in healthcare, rehabilitation, or medical device industriesWorks directly with patients to diagnose and treat speech and language disorders
Focuses on technical aspects of assistive devices and rehabilitation equipmentFocuses on communication therapy and language development
Common certifications include engineering licenses or technical certificationsLicensed speech-language pathologists with certification from ASHA

While Ot Engineers specialize in designing and maintaining assistive technology and medical devices, Speech-Language Pathologists focus on diagnosing and treating speech and language disorders. Both roles are vital in healthcare settings but serve different functions related to communication and rehabilitation.

How to become an OT engineer?

To become an OT engineer, typically a bachelor's degree in electrical engineering, computer engineering, or a related field is required. Gaining experience with industrial control systems, networking, and cybersecurity is important, and obtaining relevant certifications such as CISSP or ISA certifications can enhance job prospects.

What cities in Illinois are hiring for Ot Engineer jobs?

Cities in Illinois with the most Ot Engineer job openings:

Infographic showing various Ot Engineer job openings in Illinois as of August 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $94,906 per year, or $45.6 per hour.

Associate OT Engineer

Robinson, IL • On-site


Marathon Petroleum Corporation
Oil and Gas Extraction • 10K+ employees

6.3

Company rating: 6.3 out of 10

Based on 203 frontline employees who took The Breakroom Quiz

68th of 87 rated oil and gas companies

People enjoy working here

Recommended by students

Paid breaks


Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago

New


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 SummaryThis position is responsible for providing operational and technical support for refinery Operational Technology (OT) server and/or network environments. The successful candidate must understand business requirements and translate these requirements into solutions while working as part of a team. The position must work collaboratively with multi-disciplinary workgroups to seek solutions to problems. The position must champion compliance and change efforts which result in improved reliability and security of infrastructure services. It is expected that the candidate will always follow the refinery personnel safety requirements.Key Responsibilities
  • Performs routine operating system, network, and hardware preventative maintenance and performance tests based on hardware, network, and process control vendor operating system practices, to ensure uninterrupted and optimum system performance.
  • Performs and collaborates with the process Owner on root cause analysis of simple problems and tracks and reports to manager. Works with Engineers and/or Operations to resolve issues.
  • Provides basic technical support for hardware, applications, network, and systems administration. Assists in resolving basic hardware and software issues, system procedures, transactions, and system downtime. Collaborates with Process Engineers to troubleshoot and restore services. Follows predefined procedures for system tuning and optimization using IT Service Management practices, best-in-class recommendations, and operating procedures.
  • Generates and maintains performance and utilization metrics for infrastructure systems; prepares regular reports on system and network performance and capacity. Identifies potential solutions to issues identified in reports.
  • Participates in the design and configuration of hardware, network, and software systems based on predefined guidelines and specifications. Follows established procedures to ensure proper configuration and integration of hardware, network, and software components.
  • Contributes to the knowledge base by documenting solutions to common hardware and software issues. Shares learnings and best practices with team members through internal communication channels.
  • Works closely with the business and development teams to gain an understanding of business partners functional and non-functional requirements, provide feedback, and communicate changes. Assist in the definition of business processes to measure, analyze, improve and control the process being reviewed.
  • Maintains complex infrastructure that includes traditional IT assets as well as industrial control system devices such as Human Machine Interfaces (HMI) and Programable Logic Controllers (PLC).
Education and Experience
  • Bachelor's Degree in Information Technology, related field or equivalent experience.
  • Zero (0) to two (2) years of relevant experience required
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.
  • 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.
  • Business Process Improvements - The process of analyzing business processes and workflows within the organization and identifying new approaches to redesign business activities or optimize performance, quality and speed of processes - including identifying and evaluating process automation opportunities.
  • Cost Optimization - The process to analyze, plan and manage costs for cost efficiency and expense reduction, while maximizing business value.
  • IT Infrastructure Management - Planning, design, delivery and control of information technology infrastructure.
  • IT Security Management - The process, tools, and methodologies applied for the protection of information and information systems against unauthorized access or modification of information.
  • Network Administration - Organizing, installing, and supporting the organization's computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.
  • Policy Management - The process of creating, implementing and maintaining policies and procedures within an 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 Testing - The process of testing conducted on a complete integrated system to evaluate the system's compliance with its specified requirements.
  • Systems Design - The process of designing technical solutions and systems to meet specified business and user requirements that are compatible with established system architectures, as well as organizational and performance standards.
  • Troubleshooting - The act or process of discovering and resolving problems, disputes, or mechanical issues through a systematic, usually iterative, approach.
  • Vendor Management - The process to maintain relationships with key vendors that deliver products, services, and support to the business. Simultaneously, negotiating and managing contracts with key service providers to ensure service levels are set appropriately and met on an ongoing basis.

As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

Findlay, Ohio

Job Requisition ID:

00023452

Pay Min/Max:

$70,400.00 - $105,400.00 Salary

Grade:

8

Location Address:

539 S Main St

Additional locations:

Anacortes, Washington, Canton, Ohio, Carson, California, Catlettsburg, Kentucky, Detroit, Michigan, Dickinson, North Dakota, El Paso, Texas, Garyville, Louisiana, Kenai, Alaska, Mandan, North Dakota, Martinez, California, Robinson, Illinois, Salt Lake City, Utah, St Paul Park, Minnesota, Texas City, Texas, Wilmington, California

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 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 atmympcbenefits.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.


Marathon Petroleum logo

About Marathon Petroleum

Sourced by ZipRecruiter

Marathon Petroleum Corporation, headquartered in Findlay, Ohio, US, is a leading independent petroleum refining, marketing, and transportation company. Their official website can be found at marathonpetroleum.com. The company, part of the energy sector, was established in 1887, making it one of the oldest petroleum companies in the US. It operates an integrated refining, marketing and transportation system concentrated primarily in the Midwest, Northeast, East Coast, Southeast and Gulf Coast of the United States. This includes refineries, pipelines, and terminals that process and transport crude oil and refined products.

Industry

Oil and gas extraction

Company size

10,000+ Employees

Headquarters location

Findlay, OH, US

Year founded

1887


What Marathon Petroleum employees say

Pay

Benefits

Hours and flexibility

Workplace

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