Senior Mechanical Engineer

We are seeking a driven and innovative Senior Mechanical Design Engineer to lead the design and development of Rondo's proprietary heat battery systems. In this role, you'll design critical systems, components, and tooling that will enable the large-scale deployment of RHBs across global industrial processes. 

Your work will directly shape the systems that can replace fossil-fired boilers worldwide and contribute to one of the most significant industrial transformations in history. 

Join our team and together we can reduce world CO₂ emissions by 10% in 10 years, and by 15% in 15 years 

What You Will Do (key responsibilities for this role include but are not limited to):

• Convert product requirements into technical specifications, develop conceptual and detailed designs along with necessary risk assessments
• Perform engineering analysis, prototyping and/or testing required to deliver robust and cost-effective solutions on the core technology as well as tooling and other equipment to support manufacturing, testing and other efforts
• Lead multiple projects concurrently, managing timelines and budgets
• Develop scalable manufacturing processes and procedures; establish training and quality standards 
• Design for high volume manufacturability and lower cost
• Prepare specifications, working drawings, instructions and other related documents
• Select equipment with a focus on functionality, scalability, and cost-effectiveness
• Collaborate cross-functionally with engineering, product, and operations teams to drive real-time product development
• Propose and execute product cost models and cost reduction initiatives
• Lead technical discussions and design review meetings
• Support procurement by defining technical specifications and qualifying vendors 

What You Will Bring:

• 5+ years of engineering experience from multiple industries and technologies (energy industry experience is a plus).
• A BS degree in Mechanical Engineering or related areas
• Hands-on experience with successful product designs, cost optimization, and design-for-manufacturability
• Ability to solve mechanical engineering problems and develop conceptual designs across various mechanical engineering disciplines, particularly heat transfer, mass flow, and mechanics
• Ability to perform engineering analyses in 1D or 3D
• Demonstrated creativity and a proven track record of innovation
• Fluency in Solidworks
• A strong preference for working in highly collaborative teams; you are communicative, inclusive, and a good teammate.  

What We Offer:

• Comprehensive Medical Benefits
• Dental & Vision Benefits
• Life Insurance and ADD
• Up to 13 paid holidays per year, in addition to a company week-long holiday in December
• Flexible time off policy
• Catered lunches on-site
• 401(k) plan with company match
• Rondo HQ is close to Oakland airport - one block from the Bay - and has stunning Bay views

This role is on-site, and necessitates being present at our Alameda HQ 4-5 days per week. The estimated annual salary range for this role is $150,000 to $180,000 and it would be eligible for Rondo's excellent benefits listed above plus additional compensation in the form of equity. Please note that some pay bands may have wide ranges of compensation to accommodate candidates' diverse sets of skill levels and experience. 

About the Company  

We are transforming industrial decarbonization with our innovative Rondo Heat Battery technology. Rondo is deploying low-cost, zero-carbon Rondo Heat Batteries to accelerate the deployment of renewable energy and to significantly decarbonize industrial processes that are commonly thought of as "difficult-to-decarbonize". Our heat batteries charge from intermittent renewables to provide high temperature, continuous heat for customers safely, reliably, at an unprecedented 98% efficiency - and at a cost point that is lower than any other method.  

Our technology is designed to replace fossil-fired boilers. By enabling industries to adopt renewable energy without costly factory changes, we are accelerating the transition to a sustainable future. With over $160 million in funding and partnerships across critical industrial sectors, Rondo is scaling rapidly to meet global demand.

Rondo Energy is an equal opportunity employer. We strive to create a supportive and inclusive workplace where contributions are valued and celebrated, and our employees thrive by being themselves and are inspired to do their best work. We seek applicants of all backgrounds and identities, across race, color, ethnicity, national origin or ancestry, citizenship, religion, sex, sexual orientation, gender identity or expression, veteran status, marital status, pregnancy or parental status, or disability. Applicants will not be discriminated against based on these or other protected categories or social identities.

Rondo is committed to the full inclusion of all applicants. If reasonable accommodation is needed to participate in the interview process, please let our recruiting team know.

We proactively work to design hiring processes that promote equity and inclusion while mitigating bias.

Note to Recruitment Agencies: Rondo does not accept unsolicited agency resumes. Furthermore, Rondo Energy does not pay placement fees for candidates submitted by any agency other than its approved partners.