Senior Mechanical Engineer, Fluid Systems
Portland, OR$155k - $205kfull-timePosted 3mo ago
About the role
Senior Mechanical Engineer responsible for design and development of fluid subsystems and components for the Node, operating in harsh ocean environments. Own cradle-to-grave design from concept through deployment, collaborating across mechanical design, manufacturing, and test teams to ensure performance, reliability, and manufacturability.
Responsibilities
- Own the design and development of critical fluid subsystems and components across all phases (concept through deployment)
- Perform detailed design and analysis, including material selection, sizing, and system integration
- Collaborate with staff and senior engineers to refine system architecture and integration strategies
- Participate in design reviews and contribute to technical decision-making
- Work closely with internal teams and external vendors to ensure high-quality fabrication and assembly
- Produce clear engineering documentation, including drawings and GD&T
- Partner with testing teams to validate performance and iterate based on test and field data
- Troubleshoot and resolve issues in development, test, and deployment environments
- Mentor junior engineers and contribute to a culture of technical excellence
Qualifications
- Degree in mechanical engineering, aerospace engineering, naval architecture, marine engineering, or a related field
- 5+ years designing components and subsystems for fluid systems across a range of applications
- 5+ years of 3D CAD modeling experience
- Experience with complex, safety-critical, or high-performance fluid systems
- Strong engineering fundamentals, including hand calculations and simulation tools
- Strong written and verbal communication skills
- Ability to collaborate effectively with engineers, technicians, and external partners
- Experience contributing to multiple design-build-test cycles for complex systems
Skills
Required:Fluid subsystem design3D CAD modelingGD&TSystems engineering collaboration
Benefits
- Flexible paid time off
- Health insurance (company pays 100% of gold-level PPO plan for full-time employees, partners, and dependents)
- Dental insurance (company pays 100% for full-time employees, partners, and dependents)
- Vision insurance (company pays 100% for full-time employees, partners, and dependents)
- Disability insurance (long-term)
- Ability to contribute to tax-advantaged accounts (401(k), health FSA, dependent care FSA)
- Relocation assistance to Portland (if needed)
- Equity in the company
Last updated Sep 7, 2026. Interested? Apply on the company site.
About Panthalassa
Go where the energy is
We're harnessing renewable energy in the open ocean and delivering it around the world. Engineered in Portland, Oregon.
Planetary-scale energyclean energy platformrenewable energyocean energypilot deploymentpublic-benefit corporation
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