About Us

Skydweller Aero Inc. is a transatlantic, cutting-edge aerospace company developing solar-powered aircraft solutions capable of perpetual flight while carrying heavy and powerful payloads. Building on technology from the longest continuous renewably powered flight program in history, this fast-growing company is creating a new class of unmanned aircraft. It combines the persistence of geosynchronous satellites with the sensing capabilities and flexibility of a large airborne platform.

Skydweller Aero Inc. has its global and US headquarters in Oklahoma City, with European operations headquartered in Spain.

Role Summary

We are looking for a Hardware Development Engineer to join our engineering team in Spain. You will design, integrate and test electronic systems for our solar-powered unmanned aircraft, working hands‑on from design through ground and flight testing. We are looking for a smart, curious engineer with 2+ years of experience who learns fast. More senior candidates are also welcome.

Responsibilities

- Design and develop aircraft electronic systems, including power distribution, harnesses, avionics interfaces, and solar and battery power systems.
- Create electrical schematics, wiring diagrams and harness drawings, and maintain the related documentation.
- Select and specify electrical components, and work with suppliers on technical requirements.
- Run analog and digital simulations to evaluate circuit behavior in all operating conditions.
- Lay out multi-layer printed circuit boards (PCBs).
- Plan and run development and verification tests, troubleshoot issues, and analyze test data.
- Support integration of electrical systems on the aircraft and on test benches.




- Support ground and flight test campaigns.
- Contribute to requirements, design reviews, and verification and validation activities.
- Work closely with the avionics, mechanical, software and manufacturing teams in Spain and the US.
- Support compliance with applicable aerospace standards (e.g., DO-160, MIL-STD-704).

Required Qualifications

- Bachelor's or Master's degree in Electrical, Electronic, Telecommunications or Industrial Engineering (or similar).
- 2+ years of experience in electrical or electronic engineering. More experienced candidates are welcome.
- Knowledge of electrical power systems, circuit design and wiring/harness design.
- Experience with electrical CAD and simulation tools (e.g., Altium Designer, LTspice).
- Experience with PCB design for embedded hardware.
- Hands‑on experience with lab equipment, testing and troubleshooting.
- Strong problem‑solving skills, curiosity and the ability to learn quickly.
- Fluent English (written and spoken); Spanish is a plus.
- Eligible to work in Spain.

Preferred Qualifications

- Experience in aerospace, UAV, automotive/EV or another regulated industry.
- Knowledge of batteries, solar arrays, power electronics or high‑voltage DC systems.
- Familiarity with DO-160, MIL-STD-704 or similar standards.




- Programming or scripting skills (Python, MATLAB/Simulink).
- Experience supporting flight or field testing.

Company Benefits

Skydweller Aero offers a competitive benefits package designed to support the health, well‑being, and professional development of our employees. Benefits may vary based on location, employment status, and eligibility.

- Health & Wellness: Comprehensive health insurance coverage for eligible full‑time employees, including medical, dental, and vision benefits, as applicable.
- Paid Time Off: Paid vacation, sick leave, personal time, and company holidays in accordance with applicable company policies and local requirements.
- Flexible Work Schedules: Flexible scheduling options may be available based on the requirements of the position and business needs.
- Professional Development: Access to training, educational opportunities, and other professional development resources based on role and business needs.
- Wellness Benefits: Access to company-sponsored wellness programs and initiatives.
- Flexible Remuneration: Eligible employees may participate in versátil compensation programs, where applicable.
- Meal Vouchers: Meal vouchers are provided to eligible employees, where applicable.
- Equity Opportunities: Eligible employees may be considered for stock option grants in accordance with the Company's equity plans and applicable approval requirements.
- Performance-Based Compensation: Certain positions may be eligible for performance‑based bonuses or other incentive compensation in accordance with applicable company programs.

Equal Employment Opportunity

Sky

📌 Hardware Development Engineer (Cadalso de los Vidrios)
🏢 Skydweller
📍 Cadalso de los Vidrios