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. Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. Are you eager to apply your engineering fundamentals to real hardware while learning from experienced teammates? As a Mechanical Engineer on the Mechanisms team, you will contribute to the design, development, and integration of mechanical systems for Shield AI's autonomous aircraft. You will complete well-defined engineering tasks with guidance from experienced engineers and collaborate with internal and external partners to design, prototype, test, and release hardware. This role offers the opportunity to build practical experience across the product-development lifecycle while helping the team achieve its performance, schedule, and reliability goals.

Create and update 3D CAD models, engineering drawings, bills of materials, and interface documentation

Complete defined design tasks involving component sizing, material selection, tolerance analysis, and mechanical packaging

Perform foundational structural, kinematic, and machine-design calculations with guidance from senior engineers

Assist with preliminary finite element analysis and document assumptions, methods, and results

Help build, inspect, test, and iterate prototype hardware for functionality, performance, and reliability

Support pre-production builds, aircraft integration, and ground and flight testing

Collaborate with mechanical, propulsion, electrical, avionics, flight-controls, manufacturing, and test teams

Follow established engineering, configuration-management, and product-release processes

0-1 years of related experience with a bachelor's degree in Mechanical Engineering,



Aerospace Engineering, or a related technical field, or equivalent work experience

Understanding of fundamental mechanical engineering principles, including statics, dynamics, mechanics of materials, materials science, and machine design

Academic, internship, student-team, research, or project experience using 3D CAD software

Ability to create or interpret basic engineering drawings

Ability to perform foundational engineering calculations and clearly document assumptions and results

Hands-on interest in designing, building, integrating, or testing mechanical hardware

Ability to complete well-defined engineering tasks with guidance from peers and managers

Internship, student-team, research, or project experience involving aircraft, UAVs, robotics, automotive systems, or other mechanical products

Coursework or project experience related to gearboxes, gearing, bearings, shafts, splines, seals, lubrication, or rotating machinery

Experience with NX or a similar production CAD platform

Exposure to finite element analysis, including static, modal, buckling, or fatigue analysis

Familiarity with MATLAB, Python, or other engineering analysis tools

Hands-on machine-shop, mechanic, fabrication, assembly, or inspection experience through professional, academic, or hobby activities

Exposure to FMEA, design of experiments, root-cause analysis, or reliability testing

Familiarity with additive manufacturing, machining, casting, forging, or other mechanical manufacturing processes

Exposure to RTCA DO-160, MIL-STD-810, structural testing, vibration testing, or mechanism testing

Full-time regular employee offer package:

Temporary employee offer package:

Pay within range listed above + temporary benefits package (applicable after 60 days of employment)

If you have a disability or special need that requires accommodation, please let us know.

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📌 Mechanical/Aerospace Engineer (Madrid)
🏢 shieldai
📍 Madrid