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Panthalassa

Autonomous floating wave-energy generators for power

Mechanical Engineer - Structures

Design EngineeringPosted on Nov 11
Full-timePortland, OR, USA

About the Job

Requirements

  • A bachelor's or master's degree in Mechanical Engineering, Aerospace Engineering, Naval Architecture, or a related technical field is required.
  • At least 3 years of experience in mechanical or structural design engineering, including internships, research, or project work.
  • Demonstrated 3D CAD modeling experience.
  • Strong structural analysis fundamentals, including load paths, hand calculations, and finite element analysis.
  • Exposure to metallic structural design, geometric dimensioning and tolerancing, drawing creation, integration, and testing.
  • Strong interpersonal and communication skills and ability to collaborate across multidisciplinary teams in a fast-paced environment.
  • Ability to travel to vendors and test sites as needed.
  • Ability to work longer hours and weekends intermittently to support critical needs.

Responsibilities

  • Own the design, analysis, and development of Node structures, secondary structures, and subassemblies.
  • Perform structural and dynamic analysis, including finite element analysis, hand calculations, margins, and fatigue analysis, to validate designs.
  • Create and maintain component and assembly computer-aided design models.
  • Create detailed component and assembly drawings using geometric dimensioning and tolerancing and tolerance stack-ups.
  • Drive design trade studies and engineering reviews, and document decisions and technical findings.
  • Drive material selection and corrosion-conscious detailing for long-duration seawater service.
  • Plan and support structural validation testing, from coupon and component tests through prototype and at-sea trials.
  • Collaborate with offshore operations, technicians, and manufacturing teams to ensure designs are practical and buildable.
  • Own designs from initial concept through fabrication and deployment at sea.

Desired Qualifications

  • A master's degree in Mechanical Engineering, Aerospace Engineering, Naval Architecture, or a related technical field.
  • At least 3 years of professional experience designing and analyzing primary or secondary structures.
  • Proficiency with NX and Teamcenter.
  • Proficiency with NASTRAN and Simcenter.
  • Experience in a startup or agile development environment.
  • Familiarity with marine and offshore engineering fundamentals.
  • Exposure to relevant codes and standards, such as DNV, ABS, AWS D1.1, and BPVC.

About the Company

Panthalassa

Autonomous floating wave-energy generators for power

Panthalassa builds autonomous, floating energy nodes that harvest power from open-ocean waves. Each node is a 50-meter-diameter solid sphere with a 60–70 meter downward neck; waves move the node to pump seawater into a pressurized reservoir, which runs through a turbine to generate electricity, aiming for continuous power with a high capacity factor and energy kept on board for off-grid use. The design is simple and rugged, supports offshore operation, and focuses on modular, marine-based energy rather than centralized, onshore plants. Its goal is to provide reliable ocean-based power for on-site needs and to enable scalable sea-based energy infrastructure for clean power and fuels like green hydrogen.

Company size
51-200
Company stage
Series B
Total funding
$218.1M
Headquarters
Portland, OR
Founded
2016

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