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Sales Engineer Internship Jobs in Missouri (NOW HIRING)

Ecolab

Engineering Technical Sales Intern

Saint Louis, MO · Hybrid

$23 - $25/hr

Our internship program provides you with invaluable insights from leaders across Ecolab, engaging and challenging projects, opportunities for personal and professional growth, extensive networking ...

AB InBev

Logistics Internship

Saint Louis, MO

$26/hr

Experience ina Sales & Distribution Centeror Brewery Warehouse * Project work with real business ... A background in Supply Chain, Engineering, or Business may help, but all majors are accepted.

New

Siemens

$22 - $24/hr

... engineering, electrification, automation, and digital powerhouse? Then come join the Finance ... sales in the world. You will receive mentoring from Siemens' team of business leaders and gain ...

Siemens

$22 - $24/hr

... engineering, electrification, automation, and digital powerhouse? Then come join the Finance ... sales in the world. You will receive mentoring from Siemens' team of business leaders and gain ...

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All JobsSales Engineer JobsSales Engineer Internship JobsSales Engineer Internship Jobs in Missouri

Sales Engineer Internship information

See Missouri salary details

$30.7K

$91.8K

$152.4K

How much do sales engineer internship jobs pay per year?

As of Aug 30, 2026, the average yearly pay for sales engineer internship in Missouri is $91,797.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,200.00 and $108,500.00 per year, depending on experience, location, and employer.

What is a sales engineer internship?

A Sales Engineer Internship is a temporary position designed for students or recent graduates who are interested in combining technical knowledge with sales skills. Interns in this role learn how to explain complex products or services to customers, assist the sales team with technical presentations, and help solve client problems. The internship provides hands-on experience in both engineering and sales processes, allowing interns to gain valuable insights into how technology solutions are marketed and sold. This role is ideal for those with a background in engineering or related fields who are also interested in customer relations and business development.

What types of projects and responsibilities can I expect during a sales engineer internship?

As a Sales Engineer Intern, you can expect to work on a variety of projects that blend technical knowledge with customer-facing activities. Your responsibilities may include assisting with product demonstrations, preparing technical documentation and proposals, and supporting senior sales engineers in understanding customer requirements. You will likely collaborate closely with both sales and engineering teams, gaining exposure to how technical solutions are tailored to client needs. This hands-on experience will help build your communication skills, technical expertise, and understanding of the sales process in a real-world environment.

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

To thrive as a Sales Engineer Intern, you need a strong foundation in engineering or technical knowledge, problem-solving skills, and ideally coursework or experience in sales or customer engagement. Familiarity with CRM software, presentation tools like PowerPoint, and basic understanding of industry-specific technologies is often expected. Excellent communication, teamwork, and adaptability help interns effectively bridge the gap between technical teams and clients. These skills are crucial for supporting the sales process, translating customer needs into technical solutions, and building lasting client relationships.

What is the difference between Sales Engineer Internship vs Sales Engineer?

AspectSales Engineer InternshipSales Engineer
Required CredentialsTypically pursuing or recent graduate, some technical backgroundBachelor's degree in engineering, technical field, or related experience
Work EnvironmentInternship setting, learning-focused, entry-levelFull-time, client-facing, technical sales environment
Employer & Industry UsageInternship programs in tech, manufacturing, or industrial firmsEstablished roles in tech, manufacturing, and industrial sectors
Common Search & Comparison IntentYesYes

The Sales Engineer Internship is an entry-level position designed for students or recent graduates gaining industry experience, often with a focus on learning technical sales skills. In contrast, a Sales Engineer is a full-time professional responsible for technical sales, client consultations, and product demonstrations. The internship serves as a stepping stone toward a full sales engineering role, requiring similar technical knowledge but less experience.

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

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

What are popular job titles related to Sales Engineer Internship jobs in Missouri?

For Sales Engineer Internship jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Sales Engineer Internship jobs in Missouri look for?

The top searched job categories for Sales Engineer Internship jobs in Missouri are:

What cities in Missouri are hiring for Sales Engineer Internship jobs?

Cities in Missouri with the most Sales Engineer Internship job openings:

Sales Engineer Internship jobs near you
Infographic showing various Sales Engineer Internship job openings in Missouri as of August 2026, with employment types broken down into 82% Full Time, 17% Part Time, and 1% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $91,797 per year, or $44.1 per hour.

Internship Application - Summer 2027

Nooter/Eriksen

Fenton, MO

$14.25 - $18.50/hr

Temporary, Internship

Re-posted 13 hours ago

Job description

Nooter/Eriksen is seeking highly motivated Interns for our paid 2027 Summer Internship Program, running from late May to early August. This general posting is meant to determine where each applicant will find the most value and interest within the opportunities available at N/E. Highlights of our Internship Program include opportunities for career development and opportunities for fun!

  • Connecting your education with real world experience
    • Meaningful projects that contribute to company success
    • Executive-Level final presentation to market yourself to the organization
  • Learn about our company and project teams 
    • HRSG 101 Training
    • Departmental presentations from New HRSG Sales, Estimating, Thermal Design, QA, Projects, I&C, Structural/Mechanical, Procurement, Logistics, R&D, and Aftermarket to provide an overview of duties and collaboration opportunities within the organization
  • Career Development
    • One-on-one interaction with senior level leadership
    • Mid-point meetings with your supervisor and regular check-ins throughout the summer
    • One-on-ones with hiring managers about potential employment opportunities
  • Experience company culture 
    • Food truck events and lunch with Human Resources
    • Lunch with entry-level engineers to get integrated with the culture
    • Top Golf event with entry-level engineers
    • Paid holidays (Memorial Day, Juneteenth, 4th of July)
    • ½ day Virtual Fridays, working from home

The departments offering internship opportunities will vary from year-to-year but typically include some or all of those listed here:

  • Research & Development
  • Instrumentation & Controls
  • Thermal Design
  • Marketing
  • Structural/Mechanical Engineering

KEY QUALIFICATIONS. We want the person selected for this role to be successful! The following qualifications are essential to be effective in this role:

  • Engineering Interns
    • Completion of three (3) years toward a Bachelor of Science degree from an accredited engineering school 
    • Basic understanding of engineering fundamentals and ability to read/analyze technical engineering drawings.
  • Marketing Interns 
    • Completion of three (3) years toward a Bachelor degree in marketing/advertising or a related field from an accredited school
  • For all Interns
    • Ability to listen and take direction and work both independently and with a team.
    • Solid communication skills and proactive.
    • Ability to read, write, problem solve, make quick decisions, interpret data and analyze results; effective written and verbal communication are essential.

If you are interested in an internship with Nooter/Eriksen, please simply click the Apply button to get started! Our application is quick and should take you less than 5 minutes to fill out. Your information will be then sent directly to the Recruiter.

Nooter/Eriksen is committed to creating and maintaining an environment in which all employees feel valued, included, safe, and empowered to do their best work. We are proud to be an equal opportunity workplace and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, age, veteran status, or other characteristics.

Apply