Mechanical Engineer Mechanical Engineer Sponge In-person · Boston, MA, US about ago
Listed on 2026-06-04
-
Engineering
Mechanical Engineer, Manufacturing Engineer
Mechanical Engineer Job Description
About: Sponge is an early‑stage climate technology company. Sponge has a simple direct air capture (DAC) process that removes carbon dioxide from the atmosphere at a fraction of the energy and cost required by others. This cost advantage unlocks huge markets in utilization and sequestration.
Primary Responsibilities- This is a significant, high‑impact role.
- Reporting to Sponge’s CTO, the mechanical engineer will lead the design of Sponge’s novel DAC solid sorbent continuous desorption cell, including integrated heat exchangers.
- Design, fabricate, and operate lab, pilot, and commercial scale equipment to produce the empirical data required to design and optimize the desorption cell. Develop heat‑exchange numerical models for Sponge’s novel heat exchangers to optimize the design of Sponge’s desorption cell.
- Select appropriate materials and manufacturing techniques for Sponge’s desorption cell and lead costing, production scale‑up and cost‑out activities.
- Other duties as assigned.
- Bachelor Degree in Mechanical Engineering or similar subject or work experience demonstrating capabilities of a degreed mechanical engineer.
- Masters Degree in Mechanical Engineering or similar subject or work experience demonstrating capabilities of a degreed mechanical engineer is desirable, but not required.
- Fluency in at least one mechanical design and engineering software package such as SOLIDWORKS, Autodesk Inventor, Fusion
360 or equivalent. - Capable of designing, building, and operating lab and pilot scale test equipment, analyzing data and developing models to inform full scale design.
- Knowledge of metal CNC machining and additive manufacturing technologies.
- Fluency, or the ability to rapidly develop fluency, in the thermodynamics of and design principles of heat exchangers.
- Experience with sealing technologies is desirable.
- Ability to work independently and in a team environment.
- Ability to clearly communicate results.
- Willingness and ability to travel in the US occasionally as required.
This position is located in an industrial setting. Ability to work in a physically demanding environment, including standing for extended periods. Ability to lift and move objects weighing up to 50 lbs regularly and occasionally heavier items with assistance. Manual dexterity to operate hand tools, power tools, and machinery.
Compensation and Benefits- Base salary: 75k to $125k, depending on qualifications, experience, and skills
- Eligible for annual bonus
- Equity grant incentive
- 100% company paid individual medical, dental and vision insurance coverage
- 401(k) plan with company match
- Flexible paid time off
- 11 company paid holidays
Sponge is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
All qualified applicants, including minorities, women, protected veterans, individuals with disabilities, and individuals who require work visa sponsorship, are encouraged to apply.
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
#J-18808-Ljbffr(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).