# Senior Mechanical Engineer - Company: [Aircapture]() - Location: Berkeley, CA - Team: Engineering - Salary: $165K – $185K - Posted: March 23, 2026 ## Job description At Aircapture we’re creating technology to solve what we believe to be our lifetime’s most pressing challenge: the climate crisis.  We supply commercial and industrial customers with clean CO2 captured from our atmosphere to radically improve the environment, our economy, and our lives. We value building a team of people who represent diverse backgrounds–be it thought, education, gender, ethnicity, age, sexual orientation–to reach our goals. Thank you for considering us. As a Senior Mechanical Engineer at Aircapture, you will be an essential member of our team, collaborating with Electrical and Process Engineers on our R&D efforts and improving installed systems. This is a very exciting time to join Aircapture as we expand our market share and revolutionize Direct Air Capture (“DAC”) technology. If you want to have a major impact at a groundbreaking climate technology startup, this is the role for you! This role is **onsite** at our development and production facility in Berkeley, California. **Salary: $165,000-185,000 per year** **What You’ll Do Here** * Design and develop mechanical systems for our next-generation DAC units, impacting the entire product lifecycle: concept, design, build, test, and deployment * Translate prototypes into scalable, manufacturable systems while collaborating cross-functionally with electrical, controls, and systems teams * Support field deployments and iterate technology based on real-world performance * Work with vendors and manufacturing partners to bring systems into production * Drive engineering rigor through testing, validation, and continuous improvement **Your Skills and Abilities Include** * Bachelor of Science degree in Mechanical Engineering or equivalent experience, Master’s degree a plus * 7+ years of experience developing and scaling industrial or hardware systems, and a proven track record of taking products from design through build, test, and deployment * Experience working with cross-functional teams in fast-paced environments–we are an early stage start-up and success requires flexibility and a solutions-oriented mindset and attitude * Ability to operate both strategically and hands-on–you love to design and also don’t hesitate to pick up a wrench * Strong fundamentals in mechanical design and system integration, including expertise in one or more of these focus areas: + Experience with computational fluid dynamics (CFD) + Background in radio frequency (RF) system design + Experience with refrigeration or thermal systems + Familiarity with contract manufacturing + Experience with gas handling, processing, or liquefaction systems + Experience with rotating machinery such as fans, compressors, and pumps *This position requires physical activities including climbing stairs or ladders, stooping, crouching to work on equipment, operating machinery and lifting and carrying loads of 50 lbs or more.* Aircapture strives to create a safe, inclusive, equitable, and diverse workplace. Every teammate adds to who we are, diversifying our ideas, experiences and viewpoints and makes us stronger. We hope you feel welcome here. ## Apply [Apply on Aircapture]() Canonical job page: