2026-08

CTO, focus on Mechanical Engineering in Heavy Industry

About Terrament

Terrament is building grid-scale energy storage with underground gravity batteries.

Founded in 2020, Terrament is tackling one of our most critical climate challenges: Long Duration Energy Storage. Terrament’s patented technology leverages underground gravity batteries to achieve high scale and low cost by maximizing both height and weight. Our low-risk solution is built from only proven technologies like mine shaft drilling and industrial power generators.

Company highlights:

• Accepted into prestigious programs including: Newlab founder fellowship, Plug & Play Japan, CleanTech Open Accelerator, Venture For Climate Tech, and LACI.
• Won 2 U.S. patents with pro bono legal support from Foley Hoag.
• Won many letters of support: Con Edison, National Grid, AERTC, Advisian, Stony Brook University, CEBIP, C-Motive, EPRI, and more.
• Won $500k of U.S. DOE research funding to validate our technical + financial modeling.

Role Description:

Terrament is seeking a CTO with deep experience as a mechanical Engineer in heavy industry.

You have 10+ years experience designing and project managing large-scale projects in a heavy industry sector. You’re eager to take on ownership and co-lead the development of our ambitious technology which tackles an emerging $1 trillion global market.

Requirements:

• Masters, or PhD preferred in Mechanical Engineering.
• 10+ years mechanical engineering experience; with 5+ years in a leadership role.
• Proven track record in large-scale energy projects or heavy machinery design.
• Extensive experience leading engineering teams to deliver products on time, on budget.
• Experience leading a design project from prototype to commercialization.
• Expertise in CAD, simulation, analysis, testing, and design for manufacturing.
• Deep knowledge of manufacturing processes, and supply chain management.
• Entrepreneurial mindset with a drive to both innovate and to deliver meticulous products.

Compensation will be a mix of salary and equity, to be discussed.

Terrament values diversity, and we strive to build teams in which everyone can be their authentic self. We encourage people from underrepresented backgrounds to apply.

Learn more at https://www.terramenthq.com/mission