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Intern Project Engineer Jobs in O Fallon, MO (NOW HIRING)

HDR

Traffic & Planning Intern

Saint Louis, MO · On-site

$15 - $19.50/hr

In the role of Traffic & Planning Intern , we'll count on you to ... Gain real-world experience on exciting projects by applying standard engineering techniques and ...

HDR

Traffic & Planning Intern

Saint Louis, MO · On-site

$15 - $19.50/hr

In the role of Traffic & Planning Intern , we'll count on you to ... Gain real-world experience on exciting projects by applying standard engineering techniques and ...

Ameren Services

Supply Chain Internship

Saint Louis, MO · On-site

$21 - $30/hr

... expected project delivery, and service goals. * Expected Benefits to Intern: The intern ... Management, Engineering, Math, or Data Analytics preferred. Completed course work through the ...

Ameren Services

Supply Chain Internship

Saint Louis, MO · Hybrid

$21 - $30/hr

... expected project delivery, and service goals. * Expected Benefits to Intern: The intern ... Management, Engineering, Math, or Data Analytics preferred. Completed course work through the ...

TERRACON

Materials Field Engineer

Saint Louis, MO · On-site

$62K - $87K/yr

Provide engineering and consulting services for a broad array of projects and clients. This may ... Engineer-in-Training (EIT) or Engineering Intern (EI) designation About Us Terracon is a 100 ...

TERRACON

Materials Field Engineer

Saint Louis, MO

Engineer-in-Training (EIT) or Engineering Intern (EI) designation * Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or ...

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Showing results 41-60

All JobsIntern Project Engineer JobsIntern Project Engineer Jobs in O'Fallon, MO

Intern Project Engineer information

See O Fallon, MO salary details

$10

$18

$27

How much do intern project engineer jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for intern project engineer in O'Fallon, MO is $18.07, according to ZipRecruiter salary data. Most workers in this role earn between $15.05 and $19.57 per hour, depending on experience, location, and employer.

What types of projects and responsibilities can I expect as an intern project engineer?

As an Intern Project Engineer, you can expect to assist in coordinating engineering project activities, such as preparing technical documentation, supporting senior engineers with design or site visits, and tracking project progress. Interns often work alongside multidisciplinary teams, gaining exposure to project management processes, client communication, and problem-solving in real-world scenarios. The role is hands-on and offers valuable experience in applying engineering principles, making it a great stepping stone for a full-time engineering career.

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

To thrive as an Intern Project Engineer, you need a foundational knowledge in engineering principles, problem-solving abilities, and academic progress toward a relevant engineering degree. Familiarity with CAD software, project management tools, and basic understanding of industry-specific codes or standards is often expected. Strong communication, teamwork, and a willingness to learn help you stand out in collaborative project environments. These skills and qualities are crucial for effectively supporting project teams, learning on the job, and contributing to successful project outcomes.

What is the difference between Intern Project Engineer vs Project Engineer?

AspectIntern Project EngineerProject Engineer
QualificationsEnrolled in or recent graduate of engineering or related programBachelor's degree in engineering or related field, some experience
Work EnvironmentSupport role, learning-focused, supervised by senior staffResponsible for project planning, coordination, and execution
ResponsibilitiesAssisting with tasks, gaining industry knowledgeManaging project phases, liaising with teams and clients

The Intern Project Engineer role is an entry-level, learning position for students or recent graduates, focusing on support and skill development. The Project Engineer is a more experienced role with responsibilities for managing parts of projects, requiring relevant education and some experience. Both roles are common in engineering industries, but they differ mainly in experience level and scope of responsibilities.

What does an intern project engineer do?

An Intern Project Engineer supports engineering teams by assisting in the planning, design, and execution of projects. Typical tasks may include preparing project documentation, coordinating between departments, conducting site visits, and performing data analysis. The role is designed to give students or recent graduates practical experience in engineering project management while working under the supervision of experienced engineers. Intern Project Engineers learn industry standards, develop technical skills, and gain insight into the project's lifecycle from conception to completion.

What cities near O'Fallon, MO are hiring for Intern Project Engineer jobs?

Cities near O'Fallon, MO with the most Intern Project Engineer job openings:

Intern Project Engineer jobs near you
Infographic showing various Intern Project Engineer job openings in O'Fallon, MO as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $37,582 per year, or $18.1 per hour.

Geotechnical Field Engineer

TERRACON

Saint Louis, MO

Full-time

Re-posted 29 days ago

Terracon rating

7.5

Company rating: 7.5 out of 10

Based on 119 frontline employees who took The Breakroom Quiz

49th of 72 rated business consultants

Job description


Provide engineering and consulting services for a broad array of projects and clients. This may include performing and/or leading field investigations, engineering analysis, calculations, and recommendations, design and development of plans and specifications, observation and inspection, and the writing, preparation, and review of related reports for the services provided. Review drawings and construction to assure compliance with plans and specifications. Prepare proposals and cost estimates, track and evaluate project progress, budgets, and recommend changes. Research and resolve design and construction problems. Assign, review, and evaluate laboratory or field data for inclusion in reports. Apply sound engineering principles and be able to communicate complex engineering issues and concepts to technical and non-technical clients and project teams. Services may be provided for existing or proposed projects in a variety of sectors, including for example public works, transportation, commercial, communications, energy, and industrial.
Requirements:
  • Bachelor's degree in Engineering.
  • Valid driver's license with acceptable violation history.
Preferred Certification:
  • Engineer-in-Training (EIT) or Engineering Intern (EI) designation
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management
  • Understand and practice quality acumen.
  • Support consistent quality standards on proposal and project delivery.
  • Developing engineering professional; assignments are designed to develop knowledge and abilities.
  • Assist in research, data collection, field observation, inspection, and field and laboratory testing. Prepare associated reports or sections of larger reports.
  • Evaluate mostly routine laboratory and field data for inclusion in reports.
  • Consult with other technical people and supervisor on routine and less complex projects.
  • May perform basic calculations and engineering analysis
  • Drafts routine proposals and assists in the preparation of more complex proposals.
  • Performs plan drafting using CAD software.
  • May work with engineering technician crews in testing, observations and data gathering activities on project sites and prepare daily reports documenting activities and findings.
  • Works under the supervision of a Professional Engineer.

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