# Principal Engineer, Fluid & Thermal Systems (R5620)

**Company**: Shield AI
**Location**: Seattle, Washington
**Work arrangement**: onsite
**Experience**: senior
**Job type**: Full Time Employee
**Salary**: USD 266,000-400,000 per-year-salary
**Category**: Engineering
**Industry**: Technology

**Apply**: https://jobs.lever.co/shieldai/1d559be1-9d5a-4d65-a008-97212c210c2b?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_b7f6d8d2-a86

## Description

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems.

As a Principal Fluid & Thermal Systems Engineer at Shield AI, you will lead the design, development, and optimization of fluid and thermal systems for advanced autonomous UAVs and ground systems.

## Responsibilities

- Own design and analysis of fluid and thermal systems for aircraft and ground platforms.

- Develop and implement innovative thermal solutions.

- Use first-principles engineering to drive design decisions to yield optimal solutions.

- Research technologies for integration into complex solutions.

- Conduct advanced simulations to predict system performance and refine designs.

- Execute testing and validation efforts, including data acquisition, post-processing, and verification against requirements.

- Collaborate with cross-disciplinary teams to integrate fluid and thermal system designs into larger system architectures.

- Mentor and guide junior engineers, fostering technical growth and excellence within the team.

- Identify suppliers and build successful supplier management relationships for procurement of components or systems for fluid and thermal system designs.

## Required qualifications

- Minimum 15+ years of experience in Fluid or Thermal System design, with a proven track record of technical excellence.

- B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.

- Deep understanding of heat transfer, fluid dynamics, thermodynamics, and system-level thermal management.

- Experience implementing system models in commercial tools, such as MATLAB Simscape, Amesim, etc.

- Experience developing custom engineering models in Excel and in languages such as MATLAB, Python, etc.

- Experience in fluid and thermal system testing, including sensor integration, data acquisition, and analysis.

- Expertise in 3D CAD modeling tools such as Siemens NX or equivalent.

- Demonstrated ability to execute projects with minimal oversight, assume full ownership, and deliver exceptional outcomes.

- Excellence in supplier management, COTS component sourcing, optimization/trade studies.

- Proven success in dynamic, fast-paced environments.

- Ability to obtain a S//SAR level security clearance desired.

## Preferred qualifications

- Extensive experience with fluid & thermal system design, analysis, manufacture and test for aircraft.

- Familiarity with fluid and thermal system effects on aircraft performance.

- Familiarity with startup or R&D environments, demonstrating adaptability and agility under pressure.

- Strong knowledge of environmental standards and certification processes for aerospace or defense systems.

- A passion for innovation and the ability to push boundaries in fluid & thermal system development.

## Benefits

- Pay within range listed + Bonus + Benefits + Equity

## Skills

### Required
- Fluid System design
- Thermal System design
- Mechanical Engineering
- Aerospace Engineering
- Heat transfer
- Fluid dynamics
- Thermodynamics
- System-level thermal management
- MATLAB Simscape
- Amesim
- Excel
- MATLAB
- Python
- 3D CAD modeling
- Siemens NX

### Nice to have
- Aircraft performance
- Environmental standards
- Certification processes
- Innovation

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Source: [Apply at jobs.lever.co](https://jobs.lever.co/shieldai/1d559be1-9d5a-4d65-a008-97212c210c2b?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)