Mechanical Design Engineer III, High-Speed Rotating Systems

About the role

We are seeking a Mechanical Design Engineer to join our team. The core challenge is achieving rotational performance at a scale and speed that has not been demonstrated before. This is a hands-on detailed design role built for someone who thrives in rapid development cycles.

Responsibilities

• Own detailed mechanical design of a high-speed rotor assembly including structural members, retention features, balance provisions, and thermal management.
• Develop and iterate thermal management solutions.
• Understand thermal and structural loads on the rotor; translate those into design requirements and geometry constraints.
• Author drawings, GD&T, assembly procedures, and acceptance criteria with sufficient rigor to build and test hardware quickly.
• Define and execute component- and system-level test plans; be present for test operations, teardowns, and inspection.
• Drive rapid design-build-test cycles — identify failure modes early, propose trades, and execute changes fast.
• Cook with manufacturing and supply chain to produce hardware on aggressive schedules and rates without sacrificing structural or thermal integrity.
• Coordinate with manufacturing and supply chain to produce hardware on aggressive schedules and rates without sacrificing structural or thermal integrity.
• Participate in failure investigations and contribute to root cause analysis and corrective action.

Requirements

• B.S. in Mechanical Engineering or closely related field
• 3+ years of experience in mechanical design of rotating machinery
• Demonstrated understanding of rotor structural mechanics, including centrifugal loading, retention design, and fit/preload strategies for components with thermal sensitivity
• Proficiency with 3D CAD (CREO, NX, CATIA, SolidWorks, or equivalent)
• Experience authoring and executing hardware test plans and participating hands-on in test operations
• Experience with design for manufacturing and design to cost
• Comfortable with fast iteration: designing to 80%, building hardware, learning from data, and rapidly incorporating findings
• Must be a U.S. citizen or national, U.S. permanent resident, or lawfully admitted into the U.S. as a refugee or granted asylum

Qualifications

• Experience designing integrated cooling features within rotating assemblies — internal flow passages, thermal interfaces, or conduction paths under rotation
• Familiarity with high and low-cycle fatigue and fracture mechanics for rotating components operating at high peripheral velocities
• Experience with composite or advanced alloy materials in high-stress rotating environments
• Rotordynamics experience — critical speed analysis, unbalance response, bearing load estimation

Skills

• Hands-on detailed design role
• Rapid design-build-test cycles
• Component- and system-level test plans
• Failure investigations and root cause analysis

Benefits

• Medical, dental, vision, basic and supplemental life insurance
• Paid parental leave
• Short and long-term disability
• 401(k) with a company match of up to 5%
• Education Support Program
• Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays
• Stock Options for all regular employees (working at least 20 hours/week)

Pay

Base Pay Range For WA applicants is $121,023.00 - $169,432.20

Schedule

Not specified