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Freelance Operational Technology Engineer Jobs (NOW HIRING)

Archer Daniels Midland

$126K - $136K/yr

Technology Engineer, Archer Daniels Midland Company, Decatur, IL. Provide CAPEX planning ... Partner with Operations Leadership in the development of site capital budgeting. Act as a super ...

Crescent Energy

The OT Network Engineer is responsible for the design, support, maintenance, and continuous improvement of the organization's Operational Technology (OT) network infrastructure supporting upstream ...

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Freelance Operational Technology Engineer information

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

As of Sep 13, 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.

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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:

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For Freelance Operational Technology Engineer jobs, the most frequently searched job titles are:

Freelance Operational Technology Engineer jobs near you
Infographic showing various Freelance Operational Technology Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 79% Full Time, 16% Part Time, and 3% Contract. Highlights an 83% Physical, 2% Hybrid, and 15% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Operational Technology Associate

Freeport, TX • On-site

Olin Corporation
See more jobs at Olin Corporationexternal

$90K - $150K/yr

Other

Re-posted 23 days ago

Key responsibilities

  • Perform operational maintenance, troubleshooting, and support of server hardware and operating systems (Windows) in the OT environment.

  • Collaborate with IT, vendors, and application developers to resolve complex problems and evaluate software changes.

  • Assist with managing DCS Level 1 and Level 2 spare equipment across the site.

Olin Corporation rating

6.8

Company rating: 6.8 out of 10

Based on 48 frontline employees who took The Breakroom Quiz

Job description

Title: Operational Technology (OT) Associate
Location: Freeport, TX
Salary: $90,000 - $150,000
Schedule: 9/80; 5-8s
Relocation Available
Focus: The Operational Technology (OT) Associate ensures the reliability, security, and optimal performance of the process control network supporting the Distributed Control System (DCS) across a large, integrated manufacturing site. This role is responsible for troubleshooting, maintaining, and enhancing network infrastructure and control system connectivity to minimize downtime and ensure safe, efficient plant operations. The OT Associate acts as a technical resource for diagnosing complex issues, implementing preventive measures, and collaborating with engineering, operations, and IT teams to coordinate efforts across the Texas Operations site. The Operational Technology Associate provides troubleshooting and maintenance support of process control networks, plans and executes tasks associated with process control hardware and collaborates with multiple site units to improve the systems' performance and safety.
Operational Technology Associate Essential Responsibilities:
  • Perform all required operational maintenance, administrative, and troubleshooting of server hardware and operating systems (Windows) in the OT environment.
  • Works with IT to maintain secure networks by implementing cybersecurity policies and managing antivirus software, and patch management while minimizing disruption to operations.
  • Updates procedures and completes necessary Management of Change documents for Site OT processes and systems.
  • Collaborates with vendors, application developers, and corporate IT groups to resolve complex problems and evaluate/test software changes and updates.
  • Assist with managing DCS Level 1 and Level 2 spare equipment across site.

Operational Technology AssociateRequirements:
  • Bachelor's degree* in Engineering, Computer Science, or another relevant scientific or technical discipline.
  • 3+ years of relevant technical experience.
  • Basic knowledge of programming or scripting languages.
  • Experience with DeltaV programming, virtualized computer systems (DeltaV Virtual Studio), and commercial process control systems (DeltaV or Mod V) preferred.
  • Prior Olin experience in a relevant position preferred.
  • Must be able to obtain a TWIC (Transportation Worker Identification Credential) and possess a valid US Driver's license.

Strong Careers Grow Here
As a global leader in both chemical manufacturing and ammunition, Olin empowers over 8,000 individuals to make an impact both at work and in our surrounding communities. View a snapshot of our comprehensive benefits package.
*Degree must be from a school that is accredited by an accrediting agency recognized by the Secretary of Education of the U.S. Department of Education or equivalent program from an international university.
Olin does not provide any form of sponsorship. We will only employ those who are legally authorized to work in the United States. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J or TN or who need sponsorship now or in the future, are not eligible for hire.
Olin is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

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