# Senior Engineer, Air Vehicle Fluid Systems

**Company:** [Shield AI](https://hotfix.jobs/companies/shield-ai)
**Location:** Dallas, TX, San Diego, CA
**Role:** Hardware Engineering
**Salary:** $112k – $169k/yr
**Experience:** 5+ years
**Skills:** Mechanical Engineering, CAD, Nx, Fluid System Analysis, Simscape, Amesim, Environmental Control Systems, Liquid Cooling Systems, Thermal Systems, Supplier Management
**Posted:** 2026-06-17

> Design and analyze liquid cooling and thermal management fluid systems for jet-engine VTOL military UAV. Requires 5+ years experience with thermal/fluid systems, strong CAD and analysis skills.

## Job Description

## Responsibilities
- Design components and fluid systems for liquid cooling and thermal management systems
- Engage with suppliers on fluid system components
- Perform system and component analysis and sizing
- Own multiple aspects of X-BAT's fluid systems
- Support flight test operations in the control room during flight test campaigns

## Requirements
- B.S. in Mechanical Engineering (or equivalent)
- 5+ years experience with environmental control systems, liquid cooling systems, thermal systems, component design, system analysis, supplier management, requirements management
- Demonstrated ability to execute design, build, and test with rigor at speed
- Strong CAD skills (NX preferred)
- Demonstrated proficiency with fluid system analysis, including 1st principles, Simscape, Amesim
- Ability to work independently in fast-paced, cross-functional teams

## Nice-to-Haves
- Experience with environmental and operational robustness (vibration/shock, thermal extremes, contamination, corrosion, sand/dust)
- Experience supporting ground test and flight test campaigns and system checkout, failure investigations
- Familiarity with reliability and safety methods (DFMEA/FTA, fault containment, safe-state thinking)
- Familiarity with fighter-class and larger aircraft flight test operations, control room operations, radio communication procedures, and test data processing and presentation

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**Canonical:** https://hotfix.jobs/jobs/368cfdf0-f401-4497-942e-581b5a17d01c