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How much do freelance operational technology engineer jobs pay per hour?

As of May 28, 2026, the average hourly pay for freelance operational technology engineer in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is the difference between Freelance Operational Technology Engineer vs Freelance Industrial Automation Engineer?

AspectFreelance Operational Technology EngineerFreelance Industrial Automation Engineer
CredentialsRelevant certifications in OT, cybersecurity, and networkingCertifications in PLC programming, control systems, and automation
Work EnvironmentIndustrial facilities, control rooms, and remote sitesManufacturing plants, factories, and automation systems
Industry UsageUtilities, energy, manufacturing, and process industriesManufacturing, robotics, and process automation
Search & Comparison IntentSeeking OT-specific freelance roles, cybersecurity, or network integrationLooking for automation system design, programming, or troubleshooting

Both roles involve working with industrial systems, but the Freelance Operational Technology Engineer focuses on the integration and security of operational networks, while the Freelance Industrial Automation Engineer specializes in designing and programming automation systems. Understanding these distinctions helps clients find the right expertise for their industrial projects.

What cities are hiring for Freelance Operational Technology Engineer jobs? Cities with the most Freelance Operational Technology Engineer job openings:
What are the most commonly searched types of Operational Technology Engineer jobs? The most popular types of Operational Technology Engineer jobs are:
What states have the most Freelance Operational Technology Engineer jobs? States with the most job openings for Freelance Operational Technology Engineer jobs include:
Freelance Operational Technology Engineer jobs near you
Infographic showing various Freelance Operational Technology Engineer job openings in the United States as of May 2026, with employment types broken down into 20% Part Time, and 80% Contract. Highlights an 67% Hybrid, and 33% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Operational Technology Engineer (NOES)

ArcelorMittal

Calvert, AL

Full-time

Posted 2 days ago

ArcelorMittal rating

7.1

Company rating: 7.1 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

Job description

The Basics:

  • Bachelor's degree in electrical engineering, computer engineering, mechanical engineering, or chemical engineering
  • 3 years of experience with the following:
    • C#, C++, SQL
    • HMI Systems (WINCC/Wonderware)
  • Proficiency with relational databases (Oracle or SQL Server preferred)
  • Capable of analyzing technical information and quickly learning new technical skills
  • Intermediate to proficient knowledge of Microsoft Office Products
  • Familiar with programming languages
  • Commitment to adhere to all safety and environmental standards and guidelines

The Extras: 

  • Steel manufacturing experience is preferred with emphasis on high temperature furnaces
  • Experience with international quality and safety standards

TRAITS TO BE SUCCESSFUL  

  • Understanding of process automation applications in a manufacturing environment
  • Strong problem-solving skills within a structure
  • Structured and attentive to details
  • Capable of striving for and celebrating team successes
  • Strong work ethic
  • Dependable, reliable
  • Consistent and moderate temperament

 

WHAT YOU'LL BE DOING

  • Working initially with a project team and transitioning to a manufacturing plant operating team after commissioning the new equipment and plant.
  • Coordinating and instructing user acceptance testing procedures with both functional analysts in the production systems team and end users of developed solutions.
  • Conducting code review to maintain code standards within the team.
  • Providing software configuration and customization including report setup, data imports, integration, custom scripting and third-party software integrations.
  • Participating with other disciplines in continuous improvement initiatives.
  • Ensuring compliance with standards of safety and quality.
  • Forming strong and effective relationships with colleagues in related functional areas.

YOUR WORK ENVIRONMENT

  • Office and Industrial setting
  • Gulf coast region in Calvert, AL
  • Days, Monday to Friday with extended hours as required due to periods of peak workloads

Please note: The Job Profile is only a summary of the typical functions of the job, not an exhaustive or comprehensive list of all possible job responsibilities, tasks, and duties.

If you need an accommodation to complete any part of the application process due to a disability or medical condition, you may call 251-289-3000 or email AMNS.ApplicantTracking@arcelormittal.com to communicate your accommodation request.  Do not email your application materials to this email address.  Application materials sent to this email address will not be considered.
ArcelorMittal Calvert is an EEO Employer: Race, Color, National Origin, Religion, Sex, Sexual Orientation, Gender Identity, Disability, Age, Vet, and Other Protected Group Status. 

ArcelorMittal is the world's leading steel and mining company, with a presence in 60 countries and primary steelmaking facilities in 15 countries. Our material is part of the fabric of life. What we produce makes a difference - to individuals, communities, businesses and society. At ArcelorMittal, the safety, health, and wellbeing of our employees are our top priorities. We believe that every accident is avoidable, and it is essential for every employee, from the shop floor to the management committee, to hold this belief. 

Our purpose is to produce ever smarter steels that have a positive benefit for people and planet. Steels made using innovative processes which use less energy, emit significantly less carbon and reduce costs. Steels that are cleaner, stronger and reusable. Steels for electric vehicles and renewable energy infrastructure that will support societies as they transform through this century. With steel at our core, our inventive people and an entrepreneurial culture at heart, we will support the world in making that change. This is what we believe it takes to be the steel company of the future. 

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