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Process Engineer Co Op Jobs in Missouri (NOW HIRING)

Leonardo DRS

Manufacturing Engineer Co-op

High Ridge, MO · Hybrid

$66K - $85K/yr

Our custom-engineered heat transfer solutions are designed to cool, heat, and dehumidify air streams for both process applications and building comfort. Our equipment is proudly installed on most U.S.

Leonardo DRS

Manufacturing Engineer Co-op

High Ridge, MO · On-site

$66K - $85K/yr

Our custom-engineered heat transfer solutions are designed to cool, heat, and dehumidify air streams for both process applications and building comfort. Our equipment is proudly installed on most U.S.

Leonardo DRS

Manufacturing Engineer Co-op

High Ridge, MO · Hybrid

$66K - $85K/yr

Our custom-engineered heat transfer solutions are designed to cool, heat, and dehumidify air streams for both process applications and building comfort. Our equipment is proudly installed on most U.S.

Ameren Services

Digital Co-op

Saint Louis, MO · On-site

$21 - $30/hr

Have a process-improvement and problem-solving mindset * Be able to work collaboratively, take ... Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML ...

AMS Ameren Services

Digital Co-op

Saint Louis, MO · Hybrid

$21 - $30/hr

Have a process-improvement and problem-solving mindset * Be able to work collaboratively, take ... Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML ...

Ameren Services

Digital Co-op

Saint Louis, MO · Hybrid

$21 - $30/hr

Have a process-improvement and problem-solving mindset * Be able to work collaboratively, take ... Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML ...

Ameren Services

Engineering Fall Co-Op

Saint Louis, MO · On-site

$21 - $30/hr

This posting is for 2027 Engineering Fall Co-Op openings across the states of Illinois and Missouri ... Location decisions will be made as soon as possible during the hiring process. If you are selected ...

Ameren Services

Engineering Spring Co-Op

Saint Louis, MO · On-site

$21 - $30/hr

This posting is for our 2027 Engineering Spring Co-Op openings across the states of Illinois and ... Location decisions will be made as soon as possible during the hiring process. If you are selected ...

Nidec Corporation

Engineering Co-Op

Saint Louis, MO · On-site

The Co-Op will assist with engineering activities including product development, testing ... Experience with common shop hand tools * CAD experience (Pro Engineer Creo preferred) * Familiarity ...

Kokosing

Fall 2026 Co-op

Saint Louis, MO · On-site

$15.25 - $17.50/hr

The Co-op Program at Kokosing is designed to provide you with practical construction industry ... Project Engineering * SafetySpecialist * Surveying * Estimating * Marine Work * Project Design ...

AB InBev

Research Pilot Brewery Co-Op

Saint Louis, MO · On-site

$26/hr

... and processes. You will be challenged constantly here to provide NEW high-quality beers and ... This is not like many engineering co-ops you may encounter out there. It is very hands on and ...

Mississippi Lime

Project Management Co-Op

MO · On-site

Engineering design review and interpretation * Construction management and field coordination ... Ability to work in an industrial manufacturing, mining, and chemical processing environment

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Process Engineer Co Op information

What is a process engineer co op?

Process Engineer Co-Ops are students or recent graduates who work temporarily in an engineering role to gain hands-on experience in process engineering. They assist with designing, analyzing, and optimizing manufacturing or production processes under the supervision of experienced engineers. Co-ops typically work on real projects, help solve process-related issues, and contribute to process improvement initiatives. This role provides valuable practical experience and helps bridge the gap between academic learning and professional engineering practice.

What are the key skills and qualifications needed to thrive as a process engineer co op?

To thrive as a Process Engineer Co Op, you need a solid grasp of engineering fundamentals, problem-solving abilities, and progress toward a degree in chemical, mechanical, or industrial engineering. Familiarity with process simulation software, data analysis tools, and basic CAD systems is typically required. Strong teamwork, communication, and attention to detail are soft skills that help you excel in collaborative and technical environments. These skills enable you to effectively contribute to process improvements, support project goals, and ensure safety and efficiency in engineering operations.

What types of projects and responsibilities can a process engineer co op expect to be involved with during their assignment?

As a Process Engineer Co Op, you will typically assist with projects focused on process optimization, data collection, and process troubleshooting within manufacturing or production environments. You may work alongside full-time engineers to analyze process data, implement efficiency improvements, and support quality control initiatives. Expect to collaborate with cross-functional teams—including operations, maintenance, and quality assurance—to address real-time production issues and to participate in meetings where your input can help shape ongoing projects. This hands-on experience provides valuable exposure to industry-standard tools and methodologies, helping you build practical engineering skills for future roles.

What is the difference between Process Engineer Co Op vs Process Engineer?

AspectProcess Engineer Co OpProcess Engineer
CredentialsTypically pursuing or recently completed a bachelor's degree in engineering or related fieldBachelor's degree in engineering; some roles may prefer or require a master's degree
Work EnvironmentInternship setting, often part-time or seasonal, in manufacturing or industrial plantsFull-time professional role in manufacturing, chemical, or industrial facilities
Employer & Industry UsageUsed by companies to attract students for internships in process engineeringFull-time position for experienced or entry-level engineers in similar industries

The Process Engineer Co Op is an internship designed for students gaining practical experience, while the Process Engineer is a full-time role requiring more experience and responsibility. Both roles focus on process optimization, safety, and efficiency, but differ mainly in experience level and employment status.

What are the most commonly searched types of Process Engineer jobs in Missouri?

The most popular types of Process Engineer jobs in Missouri are:

What are popular job titles related to Process Engineer Co Op jobs in Missouri?

For Process Engineer Co Op jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Process Engineer Co Op jobs in Missouri look for?

The top searched job categories for Process Engineer Co Op jobs in Missouri are:

What cities in Missouri are hiring for Process Engineer Co Op jobs?

Cities in Missouri with the most Process Engineer Co Op job openings:

Process Engineer Co Op jobs near you
Infographic showing various Process Engineer Co Op job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 19% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Operational Technology (OT) Infrastructure Engineering Co-Op

Mississippi Lime

MO • On-site

$95K - $125K/yr

Full-time

Posted 8 days ago

Job description

Job Title: Operational Technology (OT) Infrastructure Engineering Co-Op
Why consider a career at MLC?
MLC was recognized by Newsweek as one of America's Greatest Workplaces in 2024.
  • Highly collaborative work environment focused on growth and innovation
  • Safety and sustainability are top priorities
  • Excellent compensation, benefits, generous perks; focused on employee wellbeing
  • Great development and advancement opportunities
  • Bring your real self to work, come grow with us!

MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world...and we are global! The company is committed to development and employee satisfaction. Join our outstanding team!
Professional Development Opportunities
As an OT Infrastructure Engineering Co-Op, you'll gain real-world experience while supporting the technology systems that enable safe, reliable, and secure manufacturing operations. Students will have opportunities to develop skills in:
  • Industrial networking and infrastructure management
  • Operational Technology (OT) and industrial cybersecurity
  • Windows Server administration and virtualization technologies
  • Industrial control systems and manufacturing technology platforms
  • System troubleshooting, diagnostics, and root cause analysis
  • Infrastructure lifecycle management and disaster recovery concepts
  • Data analysis, automation tools, and continuous improvement initiatives
  • Career development opportunities in OT Infrastructure, Industrial Networking, Cybersecurity, Automation, and IT/OT Convergence

What You'll Do
The OT Infrastructure Engineering Co-Op supports the design, maintenance, monitoring, and continuous improvement of Operational Technology (OT) infrastructure that supports manufacturing operations across MLC facilities.
  • Monitor and support the reliability, security, and performance of industrial network infrastructure, servers, and Operational Technology systems
  • Assist with Windows Server administration, virtualization technologies, backup verification, disaster recovery activities, and system maintenance
  • Maintain OT asset inventories, network documentation, system configurations, and infrastructure records
  • Support cybersecurity initiatives including vulnerability management, security monitoring, and implementation of OT security best practices
  • Participate in infrastructure projects involving industrial networking, virtualization, server systems, storage platforms, video surveillance, and access control technologies
  • Assist with testing, deployment, commissioning, and validation of new systems and infrastructure upgrades
  • Analyze operational data and develop reports, dashboards, and automation tools that improve visibility, reliability, and efficiency
  • Collaborate with OT, IT, Engineering, Operations, and Maintenance teams to troubleshoot issues, support continuous improvement efforts, and execute technology projects

Required Qualifications
  • Sophomore standing or higher pursuing a Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Information Technology, Cybersecurity, or a related technical discipline
  • Minimum 2.75 GPA
  • Basic understanding of computer networking concepts, including IP addressing, switching, routing, and network troubleshooting
  • Familiarity with Windows operating systems, computer hardware, and general IT infrastructure concepts
  • Ability to work safely in an industrial manufacturing, mining, and chemical processing environment
  • Strong analytical, problem-solving, and critical-thinking skills
  • Ability to quickly learn new technologies and adapt to changing priorities
  • Effective verbal, written, and interpersonal communication skills with the ability to work independently and collaboratively

Preferred Qualifications
  • Coursework or project experience involving computer networking, cybersecurity, systems administration, industrial automation, or industrial control systems
  • Experience with Microsoft Windows Server, Active Directory, or virtualization platforms such as VMware
  • Familiarity with Cisco networking equipment, firewalls, and network security concepts
  • Experience with scripting or programming languages such as PowerShell, Python, C#, or similar technologies
  • Interest in Operational Technology (OT), Industrial Control Systems (ICS), Industrial Cybersecurity, or IT/OT convergence
  • Ability to work effectively with cross-functional teams in a fast-paced technical environment

The Fine Print
Benefits and perquisites may vary based on the nature and location of each job.
Click here for MLC EEO information
About MLC
MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company's expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit https://www.mlc.com/.

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