1

Freelance Operational Technology Engineer Jobs (NOW HIRING)

The Opportunity As an Operational Technology Engineer based at our UK Foundry, you will help operate and evolve the Foundry's operational technology environment that powers our industrial-scale ...

$89K - $100K/yr

Job Summary Bobrick is seeking an Operational Technology Engineer to play a key role in the evolution of its manufacturing operations toward a fully connected, smart factory. As part of the ...

next page

Showing results 1-20

Freelance Operational Technology Engineer information

See salary details

$14

$47

$132

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:
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

Siemens Energy, Inc.

Richland, MS • On-site

Full-time

Medical, Retirement, PTO

Posted 15 hours ago


Siemens Energy rating

8.2

Company rating: 8.2 out of 10

Based on 81 frontline employees who took The Breakroom Quiz

96th of 415 rated machine equipment manufacturers


Job description

A Snapshot of Your Day
As an Operational Technology Engineer, you will support the digitization and automation of shop floor processes across manufacturing operations. Your day may include developing OT software, connecting machines and sensors, supporting MES interfaces, and improving data capture solutions for production equipment. You will help enable better equipment performance, traceability, quality, and safety through reliable system integration and automation. You will also work closely with manufacturing, engineering, and IT teams to support continuous improvement and Industry 4.0 initiatives.
How You'll Make an Impact
  • Support shop floor digitalization and automation through OT software, machine connectivity, and data capture solutions
  • Integrate machines, sensors, actuators, and production systems with MES and enterprise platforms
  • Develop and maintain IIoT, monitoring, and data acquisition solutions to improve equipment performance and reporting
  • Enable traceability and quality through smart tool connectivity, inspection interfaces, and production data integration
  • Support condition monitoring and predictive maintenance solutions to improve equipment availability and reliability
  • Help ensure OT systems are safe, reliable, and maintainable across manufacturing operations

What You Bring
  • Bachelor's degree in Automation, Electrical, Mechatronics, Manufacturing, Computer Engineering, or a related field
  • 2+ years of experience in OT systems, industrial automation, manufacturing technology, or a related production environment
  • Experience with C#/.NET and Python, along with knowledge of PLC interfaces, machine signals, sensors, actuators, and industrial control systems
  • Familiarity with industrial networking, MES integration, IIoT platforms, data acquisition, APIs, and OT-to-enterprise system connectivity
  • Strong troubleshooting, collaboration, and problem-solving skills, with an understanding of traceability, predictive maintenance, and machine safety systems
  • Applicants must be legally authorized for employment in the United States without need for current or future employer-sponsored work authorization. Siemens Energy employees with current visa sponsorship may be eligible for internal transfers.

About the Team
Grid Technologies
Our Grid Technology division enables a reliable, sustainable, and digital grid. The power grid is the backbone of the energy transition. Siemens Energy offers a leading portfolio and solutions in HVDC transmission, grid stabilization and storage, high voltage switchgears and transformers, and digital grid technology.
Who is Siemens Energy?
At Siemens Energy, we are more than just an energy technology company. With ~100,000 dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.
Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.
Find out how you can make a difference at Siemens Energy: https://www.siemens-energy.com/employeevideo
Rewards
  • Career growth and development opportunities; supportive work culture
  • Company paid Health and wellness benefits
  • Paid Time Off and paid holidays
  • 401K savings plan with company match
  • Family building benefits
  • Parental leave

https://jobs.siemens-energy.com/jobs
Equal Employment Opportunity Statement
Siemens Energy and Siemens Gamesa Renewable Energy is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.
California Privacy Notice
California residents have the right to receive additional notices about their personal information. Click here to read more .

What Siemens Energy employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom