Manufacturing Engineering Intern

Electrified Thermal Solutions, Inc.; Boston (MA); On-site; USD 28,000 - 40,000; Part time

Job summary

Electrified Thermal Solutions, Inc. is seeking a Manufacturing Engineering Intern to support pilot production of the E-Brick refractory heating elements. The role blends hands-on casting with mold prep and an independent capstone project that directly influences operations.

You will report to the Manufacturing Engineer, work with the manufacturing team, and help document QA/QC samples while striving to improve throughput and product quality.

Qualifications

• Hands-on work in a professional or educational setting (lab, production, or construction).
• Strong attention to detail and safety-conscious mindset.
• Proficiency with Excel or similar data management tools.
• Ability to lift 50 lb, stand for extended periods and wear PPE.

Responsibilities

• Mix, pour, vibrate, cure, fire, QC, and package refractory elements as part of the manufacturing team.
• Prepare molds for casting, including cleaning, assembly, and repair.
• Prepare and document QA and QC samples for each batch.
• Identify, design, and implement process improvements to increase throughput, consistency, and quality.
• Write and revise SOPs for casting, mold prep, and lab equipment.
• Maintain clean, organized production area, samples, tooling, and materials.
• Execute a capstone engineering project with direct impact on operations.

Skills

Hands-on work

Attention to detail

Safety culture

Heavy machinery

Excel proficiency

Tools

CAD software

3D printing

Job description

About Electrified Thermal Solutions

Boilers, furnaces, and kilns are the engines of our industrial economy, providing heat to melt steel, form cement, and transform chemicals. But historically reaching this high-temperature heat required burning fossil fuels, making the industrial sector responsible for 25% of global greenhouse gas emissions.

Electrified Thermal Solutions has a simple and massive goal: to electrify industry.

To do this, we are building the Joule Hive thermal battery: an energy storage technology that converts and stores cheap, renewable electricity as high-temperature heat. Our vision is to mitigate gigatons of CO2 emissions per year by deploying the Joule Hive at every industrial furnace, turbine, boiler, and kiln.

About the Role

The Manufacturing Engineering Intern supports pilot production of the E-Brick refractory heating elements at the core of our Joule Hive thermal battery. The role is deliberately hands-on, combining regular casting and finishing of refractory elements, mold preparation, and an independent capstone engineering project with direct impact on company operations.

Yourworkwilltangibly deepen our understanding of producing our elements at scale. You will report to the Manufacturing Engineer.

What You’ll Do

• Mix, pour, vibrate, cure, fire, QC, and package refractory E-Brick heating elements as part of the Manufacturing team
• Prepare molds for casting, including cleaning, assembly, and repair
• Prepare and document Quality Assurance (QA) and Quality Control (QC) samples for each production batch
• Identify, design, and implement process improvements that increase throughput, consistency, and quality
• Write and revise standard operating procedures (SOPs) for casting, mold preparation, and lab equipment
• Keep the production area, samples, tooling, and materials clean, organized, and cataloged
• Execute a capstone engineering project with direct impact on company operations

Travel: No travel is anticipated for this role.

What You’ll Bring

Required

• An enthusiastic approach and resilience in the face of challenging technical problems
• Experience with hands-on work in a professional or educational setting, such as lab work, production, or construction
• Attention to detail and strong communication skills
• Demonstrated commitment to adhering to workplace safety procedures and contributing to safety culture
• Comfort working with your hands; comfort working with power tools or heavy machinery
• Ability to lift and carry 50lb material bags, stand for extended periods, and work in personal protective equipment
• Proficiency with Microsoft Excel or similar data management tools

Preferred

• Proficiency with 3D CAD software (e.g., SolidWorks, Onshape, or Fusion 360)
• Hands-on experience with additive manufacturing (FDM or SLA 3D printing), including design for printability and polymer material selection
• Coursework or project experience designing fixtures, tooling, or material-handling hardware
• Experience with process improvement or operational efficiency initiatives

$25 - $25 an hour

What We Value

As a growing startup, we value executing through uncertainty and moving toward the problem. We also recognize that structure is support and adheres to processes to keep us safe and make us effective. Electrified Thermal can only achieve our goals if we go together, and value and proactively draw on the diverse backgrounds, skill sets, and perspectives of our growing team. Each day, we work to live sustainably, not only to build a sustainable future but also to create an environment where our employees lead full multi-dimensional lives.

Electrified Thermal believes people are the catalyst for success and seeks those with diverse backgrounds and perspectives to maximize our impact.We know great solutions and innovation can come from anywhere and prioritize hiring people with the ability to work on diverse teams and with a diverse range of people. Electrified Thermal is committed to building a diverse and inclusive team and work environment and we are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.