Senior Engineer, Air Vehicle Fluid Systems (R5203)
- Salary
- USD 130,000 - 200,000 / per-year-salary
- Level
- Senior
- Work type
- On-site · Seattle
Not stated in the posting: visa.
Open. First seen 22 October 2026.
About the role
Shield AI's standard text
Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube.
Job Description:
Shield AI is seeking a Senior Fluid Systems Engineer to support development and flight test of of liquid cooling and thermal management systems for our groundbreaking jet-engine VTOL military UAV platform, X-BAT. You will design components and fluid systems, engage with suppliers, perform system and component analysis and sizing, and own multiple aspects of X-BAT’s fluid systems. You may also travel to support flight test operations in the control room out of Shield AI’s Newton, KS test site during Shield AI’s flight test campaigns.
Required qualifications:
- 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, etc.
- 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, etc.
- Ability to work independently in fast-paced, cross-functional teams
- A demonstrated record of working hard, being trustworthy, holding yourself to high standards, and being kind to others
Preferred qualifications:
- Experience with environmental and operational robustness (vibration/shock, thermal extremes, contamination, corrosion, sand/dust, etc.).
- 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) in collaboration with systems safety.
- Familiarity with fighter-class and larger aircraft flight test operations, control room operations, radio communication procedures, and test data processing and presentation.
#LI-MS1
#LC
Full-time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity
Temporary employee offer package:
Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.
Shield AI's standard text
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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know.
What this role asks for
72% of this description is written for the role. The rest is Shield AI's standard text, folded away below.
Compared with Shield AI's other open jobs.
The team: X-BAT Engineering - Mechanical HIRES STEADILY
This role is one of 31 open in X-BAT Engineering - Mechanical. 14 were posted in the last 30 days and the oldest in November: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
FEA (12 of 31), CATIA (9 of 31), GD&T (9 of 31), Siemens NX (8 of 31), SolidWorks (8 of 31), Python (6 of 31), ANSYS (5 of 31)
OTHER ROLES ON THIS TEAM
- Staff Engineer, Aircraft Thermal Systems - Ranger (R6351) posted Oct 20
- Senior Staff Engineer, Environmental Control Systems - Ranger (R6350) posted Oct 20
- Staff Engineer, Actuated Systems - Ranger (R6347) posted Oct 19
- Senior Staff Engineer, Flight Control Actuation Systems - Ranger (R6327) posted Oct 18
- Senior Staff Engineer, Mechanical & Actuated Systems (R6307) posted Oct 18
- Manager, Environmental Control Systems & Thermal Engineering (R6306) posted Oct 18
- Engineer I, Mechanical (R6302) - New Grad posted Oct 17
- Staff Technician, Mechanical Test posted Oct 16
- EWIS Harness Design - Engineer I posted Oct 16
- Staff Engineer, Landing Gear Systems - Ranger (R6294) posted Oct 15
- Principal Thermal Engineer - Aircraft Avionics & Thermal Systems (R3930) posted Oct 13
- Engineer II, Avionics Thermal Engineering (R5298) posted Oct 13
- Technician II, Mechanical Test (R6165) posted Oct 3
- Staff Engineer, Electromechanical (R6043) posted Sep 23
- Staff Technical Program Manager, Air Vehicle Systems (R6044) posted Sep 22
- Principal Engineer, Fluid & Thermal Systems (R5620) posted Sep 11
- Engineering Manager, Air Vehicle Mechanical Systems (R5391) posted Aug 18
- Staff Engineer, Mechanical Test (R5475) posted Aug 3
- Staff Engineer, Mechanical & Actuated Systems (R5293) posted Jul 30
- Senior Engineer, Avionics Thermal Engineering (R5298) posted Jul 9
- Senior Vibrations Test Engineer (R5091) posted Jun 30
- Senior Manager, Mechanical Engineering - Avionics (R4416) posted Jun 12
- Staff Technician, Air Vehicle Systems (R4892) posted Apr 29
- Senior Engineer, Air Vehicle Fluid Systems (R4891) posted Apr 29
- Senior Engineer, Mechanisms (R4890) posted Apr 29
- Principal Engineer, Fluid & Thermal Systems (R4793) posted Apr 15
- Staff Engineer, Mechanical - Harness Design (R4594) posted Mar 25
- Senior Staff Engineer, Electromechanical (R4583) posted Mar 25
- Senior Staff Engineer, Mechanical Test (R4413) posted Jan 15
- Sr. Staff Thermal Engineer - Aircraft Avionics & Thermal Systems (R3930) posted Nov 14
From the team and dates on Shield AI's own job board.
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