Lead Mechanical Engineer - Heat Exchangers

Number of employees

66

Miami, FL, United States

Posted on: 2025-05-02

Category: energy

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Exowatt is a next generation renewable energy company offering commercial and industrial customers a modular full-stack energy solution that can provide dispatchable power and heat for up to 24 hours per day, specifically designed to meet the needs of energy-intensive applications such as data centers. Our mission is clear, to make sustainable renewable energy always available and almost free.

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 Mechanical Engineer specializing in heat exchanger design to join our growing team. In this role, you will lead the design, analysis, and optimization of heat exchangers for our thermal energy storage systems, ensuring efficient heat transfer, system reliability, and performance across demanding operational conditions.

This position is based in Miami, FL. If hired for this role, relocation to Miami, FL is required. We provide relocation assistance.




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.

Key Responsibilities:

  • Work on the design of mechanical components and systems for renewable energy applications
  • Develop and validate models using FEA and other analytical methods
  • Create detailed engineering drawings and specifications for manufacturing
  • Collaborate with cross-functional teams including electrical, thermal, and software engineers
  • Evaluate and select appropriate materials based on requirements, cost, and sustainability
  • Design for manufacturability, assembly, and serviceability
  • Interface with suppliers, manufacturers, and external engineering partners
  • Participate in design reviews and ensure compliance with industry standards and regulations
  • Troubleshoot issues during testing and deployment
  • Qualifications:

  • Bachelor's degree in Mechanical Engineering or related field; Master's degree preferred
  • 7+ years of mechanical engineering experience with a focus on thermal-fluid systems
  • Demonstrated experience designing, analyzing, and optimizing heat exchangers (shell-and-tube, plate-fin, printed circuit heat exchangers, or similar configurations) for high-temperature or high-pressure applications
  • Hands-on experience with turbomachinery systems including turbines, compressors, expanders, or rotating equipment in energy conversion or power generation applications
  • Strong foundation in thermodynamics, heat transfer, and fluid mechanics, with the ability to perform thermal and hydraulic sizing calculations
  • Proficiency in 3D CAD software (SolidWorks, Creo, or similar) and experience designing complex flow paths and pressure-containing components
  • Experience with FEA software (ANSYS, Abaqus, or similar) for thermal stress analysis and fatigue life prediction under cyclic operating conditions
  • Familiarity with CFD tools for flow distribution, heat transfer optimization, and pressure drop analysis
  • Strong understanding of GD&T and engineering drawing standards for precision-manufactured components
  • Knowledge of relevant standards and codes (ASME BPVC, TEMA, API, ISO) as applied to pressure vessels, heat exchangers, and rotating equipment
  • Experience designing for demanding operating environments including thermal cycling, high-temperature creep, and corrosive or reactive working fluids
  • Experience with renewable energy systems, thermal energy storage, or concentrated solar power preferred
  • Excellent communication and collaboration skills with the ability to work across multidisciplinary teams
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