Senior Fluid Systems Engineer - Ocean Tech, Equity

Panthalassa; Portland (OR); On-site; USD 155,000 - 205,000; Full time

Benefits offered by this job

Unlimited PTO

Health insurance

Dental insurance

Vision insurance

Disability insurance

401(k) and FSA benefits

Relocation assistance

Job summary

Panthalassa is seeking a Senior Mechanical Engineer to lead design and development of fluid subsystems powering the Node platform. You will own concepts through deployment, performing detailed analyses, material choices, and system integration while collaborating with design, manufacturing, and test teams.

The role emphasizes hands‑on work, problem solving, and mentoring, with close interaction with senior technical leaders to refine system design decisions in a scrappy, collaborative

Qualifications

• Degree in mechanical, aerospace, naval architecture, marine engineering, or related field.
• 5+ years designing components and subsystems for fluid systems.
• 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.

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.

Skills

3D CAD modeling

Hands-on hardware development

System design and integration

Problem solving

Strong communication

Team collaboration

Testing and verification

Education

Degree in mechanical engineering

Advanced degree (preferred)

Tools

NX/Teamcenter

CAD/PLM tools

Python

Julia

Mathematica

Job description

Panthalassa is seeking a Senior Mechanical Engineer to lead design and development of fluid subsystems powering the Node platform. You will own concepts through deployment, performing detailed analyses, material choices, and system integration while collaborating with design, manufacturing, and test teams.

The role emphasizes hands‑on work, problem solving, and mentoring, with close interaction with senior technical leaders to refine system design decisions in a scrappy, collaborative