Engineering Intern Fall 2026

Advanced Ceramic Fibers, LLC; Idaho Falls (ID); On-site; USD 24,796 - 33,062; Part time

Benefits offered by this job

Company parties

Flexible schedule

Job summary

Advanced Ceramic Fibers, LLC is offering a hands-on Engineering Intern opportunity in Idaho Falls. You will work with our engineering and materials science teams on cutting-edge ceramic and metal matrix composites, contributing to process development, data analysis, and continuous improvement in a fast-paced setting.

This on-site internship is ideal for motivated students seeking practical experience that complements their studies and builds a foundation for a career in materials science,

Qualifications

• Current undergraduate student pursuing a degree in Mechanical Engineering, Materials Science, Chemical Engineering, Electrical Engineering, Mechatronics, or a closely related field.
• Strong attention to detail, critical thinking, and problem-solving skills.
• High degree of honesty and personal integrity, essential for handling technical data in a regulated environment.
• Ability to work both independently and as part of a small team.
• Basic mechanical or laboratory experience; familiarity with CAD (SolidWorks), data analysis tools (Python, MATLAB, Excel), or 3D printing is a plus.
• Must be located in or able to commute to Idaho Falls, Idaho.

Responsibilities

• Support the development and optimization of new materials, processes, and equipment for advanced ceramic fibers and composites.
• Assist engineers with process improvements, experimental trials, and implementation of best practices.
• Perform materials characterization using SEM, Instron, and other analytical instruments; document results and maintain material property databases.
• Follow and help refine ASTM/ISO-compliant testing procedures.
• Collect, analyze, and interpret production and experimental data to support process optimization.
• Contribute to equipment maintenance, setup, and basic troubleshooting.
• Collaborate with engineers and technicians in a dynamic, team-oriented environment.
• Support documentation, reporting, and data visualization efforts.

Skills

CAD (SolidWorks)

Python

MATLAB

Excel

3D printing

Attention to detail

Problem solving

Integrity

Education

Undergraduate student (Junior/Senior)

Tools

SolidWorks

Python

MATLAB

Excel

Job description

Benefits:

• Company parties


• Flexible schedule

About Us:

At Advanced Ceramic Fibers, LLC (ACF), we are an award-winning advanced materials company creating revolutionary high-performance ceramic fibers and composites for extreme environments. Through our patented Direct Conversion Process™ (DCP), we transform regular carbon fiber into Fi-Bar™, a metal carbide/carbon core fiber material with capabilities beyond anything currently available. Our innovations support critical applications in space, defense, energy, consumer electronics, and beyond.

The Opportunity:

This is a fantastic opportunity for a motivated Engineering student to gain meaningful, hands-on experience in a real-world advanced materials manufacturing environment. As an Engineering Intern at ACF, you will work directly with our engineering and materials science team on cutting-edge ceramic and metal matrix composite technologies. You’ll contribute to process development, materials characterization, data analysis, and continuous improvement projects while learning industry-leading practices in a small, fast-paced, and innovative company. Ideal for students seeking practical experience that complements their academic studies and builds a strong foundation for a career in materials science, mechanical engineering, or manufacturing.

**This internship requires working on-site at our Idaho Falls, ID facility. We are unable to provide relocation assistance or housing support.**

Key Responsibilities:

• Support the development and optimization of new materials, processes, and equipment for advanced ceramic fibers and composites


• Assist engineers with process improvements, experimental trials, and implementation of best practices


• Perform materials characterization using SEM, Instron, and other analytical instruments; document results and maintain material property databases


• Follow and help refine ASTM/ISO-compliant testing procedures


• Collect, analyze, and interpret production and experimental data to support process optimization


• Contribute to equipment maintenance, setup, and basic troubleshooting


• Collaborate with engineers and technicians in a dynamic, team-oriented environment


• Support documentation, reporting, and data visualization efforts

Qualifications:

• Current undergraduate student (Junior or Senior preferred) pursuing a degree in Mechanical Engineering, Materials Science, Chemical Engineering, Electrical Engineering, Mechatronics, or a closely related field


• Strong attention to detail, critical thinking, and problem-solving skills


• High degree of honesty and personal integrity, essential for handling technical data and operating in a regulated environment


• Ability to work both independently and as part of a small team


• Basic mechanical or laboratory experience is preferred; familiarity with CAD (SolidWorks), data analysis tools (Python, MATLAB, Excel), or 3D printing is a plus


• Must be located in or able to commute to Idaho Falls, Idaho

Additional Requirements

• Must be a U.S. person (naturalized citizen or qualifying under ITAR/EAR definitions) and eligible to participate in federally funded programs involving Controlled Unclassified Information (CUI)


• Successful completion of background check and drug testing required prior to employment

ACF is an Equal Opportunity Employer – M/F/D/V

Idaho Falls offers an outstanding quality of life for outdoor enthusiasts — located just 1.5 hours from Yellowstone National Park, Sun Valley, and Jackson Hole, and 3 hours from Salt Lake City. World-class skiing, hiking, fishing, boating, and access to vast wilderness areas are all right in your backyard.