Senior Mechanical Engineer
Rondo EnergyAlameda, California
Full Time
Posted December 9, 2025
$150k - $180k
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Application opens on company website
Job Description
A Senior Mechanical Design Engineer responsible for designing and developing heat battery systems to enable large-scale industrial decarbonization, involving system analysis, prototyping, manufacturing process development, and cross-functional collaboration.
Key Responsibilities
- Translate product and subsystem requirements into technical specifications, conceptual designs, and detailed mechanical solutions.
- Perform engineering analyses including thermal, mechanical, fluid flow, and structural assessments using 1D and 3D tools.
- Design components and assemblies for manufacturability, reliability, cost-effectiveness, and field performance.
- Develop and improve manufacturing processes, establish quality and inspection criteria, and support tooling, fixtures, and equipment development.
- Collaborate with cross-functional teams to iterate designs, resolve technical issues, and support supplier qualification.
- Conduct prototyping, testing, data analysis, and risk assessments such as DFMEA.
- Create engineering drawings, specifications, and documentation using CAD tools like SolidWorks.
Requirements
- Bachelor's or Master's degree in Mechanical Engineering or related discipline.
- At least 5 years of mechanical engineering experience across relevant industries.
- Proven ability to design and deliver hardware through full development cycles from requirements to production release.
- Hands-on experience with prototyping, testing, failure analysis, and iterative design.
- Ability to perform engineering analyses in heat transfer, mass flow, structural mechanics, or related areas using 1D or 3D tools.
- Fluency with SolidWorks and CAD best practices, including familiarity with GD&T and tolerance stack-ups.
- Designing components and assemblies for manufacturability, scalability, reliability, cost-effectiveness, and field performance.
- Preparing engineering drawings, specifications, and documentation using CAD and PLM tools, with SolidWorks preferred.
- Supporting development of tooling, fixtures, and equipment required for manufacturing, integration, and testing.
- Collaborating across engineering, product, and operations teams to drive rapid iteration and resolve technical issues.
- Defining technical requirements for vendors and assisting with supplier qualification.
- Contributing to cost models and cost-reduction initiatives through material, process, and design optimization.
- Participating in design reviews and presenting engineering rationale, data, and options.
- Executing engineering analyses such as thermal, mechanical, fluid mass flow, and structural analyses.
- Ability to perform engineering analyses 1D or 3D across heat transfer, mass flow, structural mechanics, or related areas.
- Strong problem-solving skills, creativity, and a track record of innovation.
- Excellent communication and collaboration skills, thriving in fast-paced, cross-functional environments.
Benefits & Perks
Comprehensive Medical Benefits
Dental Benefits
Vision Benefits
Life Insurance and ADD
Up to 13 paid holidays per year, plus a company week-long holiday in December
Flexible time off policy
Catered lunches on-site
401(k) plan with company match
On-site work at Alameda HQ with Bay views
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