Lead Systems Engineer
Company: Exowatt
Location: Miami
Posted on: February 15, 2026
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Job Description:
Job Description Job Description Exowatt is revolutionizing the
energy landscape for the AI era with our groundbreaking P3 system
that captures solar energy, stores it as heat, and generates
electricity on demand. Founded in 2023 and backed by leading
investors including Andreessen Horowitz, Sam Altman, and Felicis,
we're committed to providing clean, modular, and scalable power
that meets the rapidly growing demands of AI infrastructure. Our
mission is to make sustainable renewable energy always available
and almost free, enabling technological advancement while
protecting our planet. We are seeking an experienced Lead Systems
Engineer to drive the design, integration, testing, and reliability
of our P3 thermal energy storage systems. This role is critical to
scaling our breakthrough technology from prototype to commercial
deployment, ensuring our systems meet the demanding requirements of
AI infrastructure and industrial applications. This position is
based in Miami, FL preferred, however an alternate location of
Austin, TX is possible for the right candidate. If hired for this
role, relocation to one of these sites is required. We provide
relocation assistance. Key Responsibilities Systems Design &
Architecture End-to-end systems architecture for P3 thermal energy
storage and dispatch systems Define system requirements,
interfaces, and integration strategies across thermal storage,
power conversion, and control subsystems Develop comprehensive
system specifications that balance performance, cost, reliability,
and manufacturability Drive design optimization for modular,
scalable deployment across diverse industrial applications
Collaborate with thermal, mechanical, electrical, and software
engineering teams to ensure cohesive system design Testing &
Validation Develop and execute comprehensive test strategies for
thermal energy storage systems, including component, subsystem, and
full-system validation Design and oversee thermal cycling,
performance characterization, and endurance testing protocols
Establish test procedures for 24-hour energy dispatch cycles under
various load conditions Failure mode analysis and accelerated life
testing programs Manage field testing and pilot deployment
validation to ensure real-world performance meets specifications
Reliability & Performance Engineering Establish reliability targets
and design systems for 30-year operational lifespan with minimal
maintenance Implement predictive maintenance strategies and
condition monitoring systems Develop fault detection, isolation,
and recovery protocols for autonomous operation Root cause analysis
for system failures and implement corrective actions Create
reliability models and conduct statistical analysis of system
performance data Technical Leadership Interface with external
partners, suppliers, and customers on technical requirements
Present technical reviews to executive leadership and stakeholders
Drive continuous improvement initiatives and best practices
adoption Support business development with technical assessments
and proposals Required Qualifications Education & Experience
Master's degree in Systems Engineering, Mechanical Engineering,
Electrical Engineering, or related field 5 years of experience in
complex systems engineering, preferably in energy, thermal systems,
or industrial equipment Technical Skills Proven experience with
thermal energy systems, heat transfer, and thermodynamics Strong
background in systems integration, testing, and validation
methodologies Experience with reliability engineering, FMEA, and
statistical analysis Proficiency in system modeling tools
(MATLAB/Simulink, Python, or similar) Knowledge of industrial
control systems and power electronics Understanding of
manufacturing processes and design for manufacturability Excellent
written and verbal communication skills with ability to present to
technical and non-technical audiences Strong problem-solving skills
and ability to work under pressure in a fast-paced startup
environment Experience working with regulatory standards and
certification processes Preferred Qualifications PhD in relevant
engineering discipline Experience with renewable energy systems,
energy storage, or power generation equipment Background in AI/data
center infrastructure and high-availability systems Experience with
modular system design and factory-built equipment Knowledge of
thermal storage technologies and phase change materials
Professional Engineering (PE) license Experience with agile
development methodologies and startup environments What We Offer :
Competitive salary and equity options. Comprehensive benefits
package, including health, dental, and retirement plans. A dynamic
work environment that fosters creativity and innovation.
Opportunities for professional growth and development in a rapidly
evolving industry. Relocation assistance. We may use artificial
intelligence (AI) tools to support parts of the hiring process,
such as reviewing applications, analyzing resumes, or assessing
responses. These tools assist our recruitment team but do not
replace human judgment. Final hiring decisions are ultimately made
by humans. If you would like more information about how your data
is processed, please contact us.
Keywords: Exowatt, Doral , Lead Systems Engineer, Engineering , Miami, Florida
