Engineer I, Mechanical Hardware Test
- Salary
- USD 98,000 - 140,000 / per-year-salary
- Level
- Junior
- 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 pioneering the development of AI-powered autonomous aircraft for national defense, pushing the boundaries of aerospace innovation. Our next-generation UAS is a high-endurance unmanned system designed for deployment in complex, contested environments.
We are seeking a Mechanical Engineer I to support the design, development, and testing of flight hardware and mechanical test systems. In this entry-level role, you will work alongside experienced engineers to develop fixed and field-deployable solutions for hardware qualification, environmental testing, stress testing, and sustainment.
You will gain hands-on experience in mechanical design, structural analysis, and aerospace test systems while collaborating with engineering, manufacturing, and flight operations teams.
What you'll do:
- Support the design, analysis, fabrication, and assembly of mechanical and structural systems.
- Create and revise CAD models, engineering drawings, and manufacturing specifications.
- Assist in designing structural and electromechanical test stands and fixtures for aeronautical components.
- Participate in prototyping, testing, troubleshooting, and design validation.
- Perform structural, thermal, and fatigue assessments with guidance from experienced engineers.
- Develop test procedures, document results, and communicate findings.
- Participate in design reviews and contribute ideas that improve reliability, manufacturability, and testability.
- Support coordination with manufacturing teams and suppliers during fabrication and assembly.
- Apply engineering fundamentals to hands-on technical problems in laboratory, shop, and field environments.
- Perform other duties as assigned.
Required qualifications:
- B.S. in Mechanical Engineering or a related STEM field.
- 0–2 years of relevant experience; internships, co-ops, research, and substantial academic projects may count toward this requirement.
- Foundational knowledge of mechanical engineering principles, physics, and mathematics.
- Experience with CAD software such as SolidWorks, CATIA, NX, or similar.
- Familiarity with engineering drawings, material selection, structural analysis, and common manufacturing processes.
- Hands-on experience building, testing, or troubleshooting mechanical systems.
- Ability to organize technical work, document results, and communicate effectively.
- Ability to work in a fast-paced development environment with evolving priorities.
- Record of working hard, being a trustworthy teammate, holding yourself to high standards, and being kind to others.
Preferred qualifications:
- Internship, co-op, research, or project experience in aerospace, robotics, automotive, test engineering, or a related field.
- Familiarity with finite element analysis, thermal analysis, or fatigue and lifecycle testing.
- Experience designing or testing aerospace structures, test fixtures, or ground support equipment.
- Experience using machine-shop tools or rapid-prototyping methods.
- Exposure to instrumentation, sensors, data-acquisition systems, or electromechanical systems.
- Familiarity with hydraulics, nondestructive evaluation or testing, or aerospace testing practices.
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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
Particular to this role
CATIA · FEA · SolidWorks
Rare in Shield AI's other 299 open postings.
79% 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 - Avionics HIRES STEADILY
This role is one of 36 open in X-BAT Engineering - Avionics. 16 were posted in the last 30 days and the oldest in September: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
PCB Design (16 of 36), Altium (15 of 36), SolidWorks (10 of 36), Python (8 of 36), CATIA (7 of 36), ANSYS (5 of 36), FEA (5 of 36)
OTHER ROLES ON THIS TEAM
- Staff Avionics Engineer, Electrical Systems - Ranger (R6345) posted Oct 19
- Staff Engineer, Power System - Ranger (R6326) posted Oct 18
- Senior Environmental Test Technician (R6211) posted Oct 9
- Director, Avionics Mechanical Engineering posted Sep 30
- Staff Electrical Specialist - Hardware Test (R6122) posted Sep 28
- RF Engineer I - New Grad (R6108) posted Sep 25
- Staff Electrical Engineer, Hardware Test (R6121) posted Sep 25
- Lead Mechanical Engineer, Hardware Test (X-BAT) posted Sep 25
- RF Engineer II (R6053) posted Sep 24
- Engineer I, PCB - New Grad (R6065) posted Sep 24
- Staff Engineer, Electromechanical Motor Design (R6028) posted Sep 22
- Senior Staff Engineer Power System, Launch Recovery Vehicle (R6025) posted Sep 22
- Staff Mechanical Engineer, Battery Pack Design (R6047) posted Sep 22
- Staff Engineer, Electromechanical Power Electronics (R6046) posted Sep 22
- Senior Electrical, Motor and Motor Drive Engineer (R6021) posted Sep 22
- Engineer II, Battery Test (R5954) posted Sep 9
- Senior Staff Engineer, PCB Design (R5752) posted Sep 9
- Staff Engineer, Reliability Test (R5532) posted Aug 24
- Senior Electrical Engineer, Test Equipment Design posted Jul 30
- Manager, Mechanical Engineering - Hardware Test (X-BAT) (R6093) posted Jul 8
- Staff Engineer, Electrical Integration & Test (R5204) posted Jun 12
- Engineer I, Electrical Integration & Test - New Grad (R5136) posted Jun 5
- Lead, Electrical Engineering (R5116) posted Jun 5
- Senior Component Engineer posted Apr 23
- Electrical Engineering Co-op - January 2027 posted Apr 15
- Power Electronics - Thermal Engineer Senior Staff posted Apr 8
- Hardware Reliability Lab Engineer II (R5142) posted Apr 3
- Staff Mechanical Engineer, Battery Module Design (R5636) posted Feb 10
- Power System – High-Voltage Test Engineer II – Electric Powertrain & Battery Systems (R4728) posted Jan 21
- Staff Engineering Specialist, Avionics (R5109) posted Dec 17
- Power Electronics - Electrical Engineer I posted Dec 11
- Electrical Engineer I - New Grad (SD) posted Nov 24
- Electrical Engineer I - New Grad (BOS) posted Nov 24
- Electrical Engineer I - New Grad (SEA) (R6107) posted Nov 24
- Power Electronics - Electrical Engineer II posted Sep 24
From the team and dates on Shield AI's own job board.
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