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Lead Machinist

Exowatt

Exowatt

Miami Beach, FL, USA
Posted on Oct 29, 2025
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're seeking an experienced Lead Machinist to spearhead our manufacturing operations and accelerate hardware prototyping for our innovative solar energy systems. You'll be responsible for setting up, operating, and optimizing a diverse range of manufacturing equipment while leading our transition from prototype to production-ready hardware. This is a hands-on leadership role perfect for a skilled machinist who thrives in a fast-paced, innovation-driven environment.
This position is based at our headquarters in Miami, FL. There is no relocation assistance available for this role. Only local candidates will be considered.

Key Responsibilities

  • Manufacturing Operations Leadership
  • Set up, calibrate, and operate CNC machines, mills, lathes, and drilling equipment for precision component manufacturing
  • Develop and optimize machining processes to improve quality, efficiency, and throughput
  • Create and maintain detailed work instructions, setup sheets, and quality standards
  • Lead troubleshooting efforts for complex manufacturing challenges and equipment issues
  • Implement lean manufacturing principles and continuous improvement initiatives
  • Rapid Prototyping & Development Support
  • Collaborate closely with engineering teams to rapidly iterate on hardware designs
  • Translate CAD drawings and technical specifications into manufacturable components
  • Support design for manufacturing (DFM) reviews and provide manufacturing feasibility input
  • Execute quick-turn prototyping projects to accelerate product development cycles
  • Maintain detailed documentation of prototype builds and lessons learned
  • Multi-Disciplinary Manufacturing
  • Operate and maintain 3D printing systems for rapid prototyping and tooling applications
  • Conduct quality inspections using precision measurement tools and equipment
  • Handle materials selection and procurement for manufacturing projects
  • Equipment Management & Optimization
  • Maintain, calibrate, and perform preventive maintenance on all manufacturing equipment
  • Evaluate and recommend new equipment purchases to expand manufacturing capabilities
  • Develop standard operating procedures (SOPs) for all manufacturing processes
  • Ensure compliance with safety regulations and maintain clean, organized work environment
  • Train and mentor junior machinists and manufacturing technicians
  • Cross-Functional Collaboration
  • Partner with R&D teams to understand design intent and manufacturing requirements
  • Work with supply chain to optimize material sourcing and vendor relationships
  • Support quality assurance with process validation and capability studies
  • Coordinate with project managers on manufacturing timelines and deliverables

Required Qualifications

  • 7+ years of experience in precision machining and manufacturing operations
  • Proficiency with CNC programming, setup, and operation (Haas, Mazak, or similar platforms)
  • Advanced skills in manual machining including mill, lathe, and drilling operations'
  • Hands-on experience with 3D printing technologies (FDM, SLA, metal printing preferred)
  • Electrical assembly skills including PCB handling, soldering, and basic electronics
  • Ability to read and interpret complex technical drawings, GD&T, and specifications
  • Experience with precision measurement tools (CMM, calipers, micrometers, gauges)
  • Knowledge of manufacturing materials including metals, plastics, and composites
  • Strong problem-solving skills and mechanical aptitude

Preferred Qualifications

  • Experience in cleantech, renewable energy, or high-tech hardware manufacturing
  • Background in prototype-to-production transitions and scaling manufacturing processes
  • Familiarity with CAD software (SolidWorks, AutoCAD, or similar)
  • Knowledge of lean manufacturing, Six Sigma, or other process improvement methodologies
  • Experience with automated manufacturing systems and robotics integration
  • Understanding of regulatory compliance and quality management systems (ISO 9001)
  • Leadership experience in manufacturing or technical environments
  • Associate degree in Manufacturing Technology, Machining, or related technical field

Technical Skills & Equipment Experience

  • Machining: CNC mills, lathes, EDM, surface grinders, drill presses
  • 3D Printing: FDM, SLA, metal printing, post-processing
  • Measurement: CMM, optical comparators, precision gauges
  • Software: CAM programming, G-code, basic CAD

Physical Requirements

  • Ability to lift up to 50 pounds and stand for extended periods
  • Manual dexterity and visual acuity for precision work
  • Comfortable working with machinery and power tools
  • Ability to work in manufacturing environment with noise, dust, and temperature variations
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.