Exowatt · 4 months ago
Engine Test & Development Engineer
Miami, FL
Full-time
Onsite
Mid Level
$72K/yr - $108K/yrExowatt is revolutionizing the energy landscape for the AI era with their innovative P3 system for solar energy. The Engine Test & Development Engineer will lead the development and optimization of heat engine systems, focusing on Stirling engines, to ensure reliable and cost-effective renewable energy solutions.
Artificial Intelligence (AI)Data CenterEnergyEnergy StorageRenewable Energy
Responsibilities
Design, develop and optimization power conversion unit system, with primary focus on Stirling engine configurations
Participate in test cell and test engine performance improvements in terms of engine efficiency, reliability, and power density for 24/7 operation
Integrate heat engines with our proprietary thermal storage systems and power generation infrastructure
Establish and validate thermodynamic models for engine performance across varying temperature differentials and operating conditions
System Design & Development
Design and optimize critical engine components including pistons, cylinders, regenerators, heat exchangers, and linear alternator systems
Develop innovative solutions for hermetic sealing, working fluid management, and pressure vessel design
Participate in material selection for high-temperature applications, focusing on durability over 30-year operational lifespans
Assist in the development of modular engine architectures to enable rapid deployment & scalability
Manufacturing & Production
Collaborate with manufacturing teams to transition designs from prototype to mass production
Establish quality control standards and testing protocols for engine components and assemblies
Drive design for manufacturability (DFM) initiatives to reduce costs while maintaining performance
Support domestic supply chain development for critical engine components
Testing & Validation
Develop comprehensive test plans for engine performance, durability, reliability and validation testing
Lead root cause analysis and failure mode investigations
Establish predictive maintenance protocols and condition monitoring systems
Oversee field testing and commissioning of engine systems at customer sites
Qualification
Required
Bachelor's degree in Mechanical Engineering or related field; Master's or PhD preferred
Experience designing, testing, sensors, data acquisition system and engine test cell development
Demonstrated expertise in leveraging engine system simulations (1D simulations) for engine hardware development
Track record of bringing engine systems from concept through production
Deep understanding of thermodynamic cycles, particularly Stirling, Otto, and Rankine cycles
Expertise in data acquisition systems, engine test cell development and operation, engine controls, experimental data analysis
Proficiency in one or more of engine modeling and simulation tools: SAGE, GT-Power, SIMSCAPE, SIMULINK, ANSYS, or similar
Experience with high-temperature materials and thermal management systems, and heat exchanger design
Knowledge of power generation systems and grid integration
Strong analytical and problem-solving abilities with focus on first-principles thinking
Experience with Design of Experiments (DOE) and statistical analysis methods
Proficiency in CAD software (SolidWorks, CATIA, or similar)
Understanding of manufacturing processes including casting, machining, and assembly
Excellent communication skills with ability to present complex technical concepts clearly
Preferred
Previous experience in renewable energy, concentrated solar power (CSP), or thermal storage systems
Background in developing engines for stationary power generation applications
Experience with alternative engines, free-piston stirling engines, kinematic stirling engines, and/or linear alternator systems
Knowledge of engine control systems and engine power electronics integration
Track record of patents or publications in reciprocating engine technology
Experience with modular system design and containerized solutions
Familiarity with data center power requirements and reliability standards (99.999 % uptime)
Benefits
Comprehensive benefits package, including health, dental, and retirement plans.
Relocation assistance.
Company
Exowatt
Powering AI with 24-hour Dispatchable Solar
Founded in 2023
11-50 employees
H1B Sponsorship
Exowatt has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
Funding
Current Stage
Early StageTotal Funding
$140MKey Investors
FelicisHSBC Innovation Banking
2025-11-13Series A· $50M
2025-04-22Series A· $35M
2025-04-22Debt Financing· $35M
Recent News
Sourcery
2025-11-21
2025-11-18
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