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Structural Design Engineer

Electrified Thermal

Charlestown, MA • 9/29/2026

Construction , Engineering , Professional , Skilled & Trades

Job Description

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.

Electrified Thermal Solutions is looking for a motivated Structural Design Engineer to join our team in Massachusetts. This is a full-time role to help design and support the development of next-generation energy storage and thermal systems.

As a Structural Design Engineer, you will join our engineering team and play a pivotal role in developing our flagship commercial Joule Hive Thermal Battery. This role offers an exciting opportunity to gain hands-on experience working on acutting-edgeproject in renewable energy technology.

What You'll Do

  • Ownership of design and analysis of the mechanical structure of a commercial Thermal Energy Storage (TES) system

  • Generate parts, assemblies, and drawings within CAD in collaboration with design, construction, and commissioning engineering, as well as research & development departments

  • Leverage engineering analysis and simulation methods to inform design decisionsimpactingR&D prototyping and final product design

  • Provide onsite support for critical phases of FOAK system construction

  • Maintenance of detailed documentation throughout project work, including design specifications, CAD models, simulation results, and test reports

  • Regular progress updates and technical reports to project stakeholders

  • Support management of external contractors, including reviewing deliverables and performing QA/QC checks

What You'll Bring

  • B.S. in Mechanical Engineering and1-5years of relevant mechanical design experience (or M.S. in Mechanical Engineering, or a related field)

  • At least 1 year of experience in managing external engineering contractors

  • Proficiencyin any CAD software, such asSolidWorksorOnshape

  • Ability to use Microsoft Excel and other tools for analytical means

  • Strong analytical and problem-solving skills

  • Ability to work independently and in a team environment

  • Excellent communication and interpersonal skills

  • Familiarity with Python orMATLABis a plus

  • Hands-on experience with mechanical fabrication or industrial equipment commissioning is a plus

  • Experience with renewable energy systems, thermal energy storage, or extreme temperature systems is a plus

What We Offer

  • Competitive compensation package, including equity options

  • Medical, Dental & Vision Insurance

  • 401(k) with 4% matching

  • 12 weeksof fully paid parental leave, with anadditionaltwo weeks for birthing parents

  • 20 daysof flexible vacation days annually

  • A minimum of10daysof paid company holidays

  • Access to commuter benefits

  • Access to a Health Savings Plan with company contributions

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.